Background: Actaea racemosa (Black Cohosh) is traditionally used for the treatment of menopausal symptoms such as hot flushes, night sweats and hormonal imbalances. The bioactive ingredients of the plant (alkaloids, flavonoids and phenolic acids) are believed to be responsible for its therapeutic effect as an herbal remedy. Nevertheless, more in-depth understanding of these compounds and the manner by which they can potentially help medicine are important moving-forward to justify this plant for modern medical use.
METHOD: This research presented a systematic phytochemical screening and isolation of bioactive compounds from Actaea racemosa. Maceration, percolated and hydrodistillation were the extraction methods used to detect and identify major compounds. Tests for alkaloids, flavonoids and phenolic acids together with other pharmaceutically useful constituents were also conducted through well known standard phytochemical procedures.
Results: This study confirmed reports of alkaloids, flavonoids and phenolic acids in these extracts consistent with the traditional use of Actaea racemosa for menopause. With the estrogenic, anti-inflammatory and antioxidant properties these compounds have they provide positive affects in decreasing all of those menopausal symptoms. Also, potential indications beyond menopause could be considered based on the bioactive compounds identified that may have relevance to inflammation and oxidative stress-related conditions.
Conclusion: This study validates that Actaea racemosa contains therapeutically pertinent bioactive constituents, thereby confirming its traditional use in treating menopausal symptoms. Research, to elucidate its complete medicinal profile especially in anti-inflammatory and antioxidant capacities. Actaea racemosa could have wider therapeutic applications in modern African herbal medicine provided we first advance our knowledge on how it works.
Black cohosh (Cimicifuga racemosa), also known as Actaea racemosa, is a member of the Ranunculaceae family and has been used in traditional medicine, particularly by Native American populations, for centuries. This is an herb that has been used for centuries, mostly in the treatment of gynecological disorders and recently it has received more attention because it remains a healthy option to help eliminate or at least alleviate menopausal symptoms such as hot flashes, night sweats, mood swings (Mood bowls), vaginal dryness among others (Mahady et al., 2002). Its rhizomes (underground part of the plant) and root extracts are used to treat menopausal symptoms as a natural alternative for hormone replacement therapy ([HRT], Liu et al., 2001).
The pharmacological actions of Cimicifuga racemosa are attributed to a phytochemistry that consists predominantly of triterpene glycosides, phenolic acids, flavonoids and alkaloids (Burdette et al. 2002). Triterpen glycosides including actein and cimicifugoside, are the main active ingredients postulated to exert its potentially estrogen modulating effect (Fritz et al., 2005). However, despite its long history of use, the exact action mode of Black cohosh is still unknown. Studies indicate, however, that its effects are partially due to interactions with serotonin receptors rather than direct estrogenic modulation (Kennelly et al. 2002) It has been reported that Black cohosh does not bind to estrogen receptors, nor do similar changes found in serum levels of estradiol/estrone (Liu et al., 2001).
Recent concerns abound surrounding the long-term safety of Black cohosh, specifically in relation to its possible link with elevated breast cancer risk based on perceived estrogenicity (Mahady 2005). Yet, more re- cent reviews and meta-analyses have questioned the estrogenic effect of this herb due to small sam - ple sizes or methodological flaws in previous studies (Geller &Studee, 2006). Accordingly, rigorous well-controlled and standardized research on the pharmacodynamics (action of drugs on human) and pharmacokinetics is warranted.
Because Black cohosh preparations sold commercially can vary so much, Standardized extraction procedures will be crucial to ascertain that the amounts of biologically active compounds are consistent. This study will establish the preparation of Black Cohosh extracts through standard percolation, maceration and hydrodistillation method which in turn investigates up to date phytochemical identification using HPLC (High Performance Liquid Chromatography) & TLC (Thin layer chromatography). Key triterpenes, flavonoids and phenolic acids that study data suggest influence the plant's beneficial activity will also be identified in this analysis. This study aimed to create a chemical profile as the ground work for future clinical trials or any potential application of BkC in treatments.
Statement of the Problem
Although Cimicifuga racemosa (Black Cohosh) is an effective herb in the treatment of menopausal symptoms, its mechanism of action and safety profile are not yet understood. Results of research on its estrogenic activity are conflicting. Early research reported that Black Cohosh had estrogenic properties similar to (although weaker than) the phytoestrogens, suggesting a possible increased risk for hormone-sensitive cancers like breast cancer or endometrial adenocarcinomas (Mahady 2005). Yet, newer investigations reveal that it does not the compound behave as a potent estrogen (Burdette et al., 2003), and perhaps rather have beneficial effects through interactions with serotonin receptors. This disparity underscores an important limitation in how we currently understand the authentic biologic activity and safety of this herbal product.
In addition, because of the absence of any type certification for extraction methods and chemical analyses proper to commercial preparation Black Cohosh constitutes an obstacle on achieving consistent clinical successes (Geller & Studee 2006). When standardized protocols are lack which allow to predefine the methodology of identification, extraction and quantification of bioactive compounds so as to match with its intended therapeutic utility. Moreover, the inconsistency of active compound levels in various preparations has provoked dosage and potential adverse events with long-term administration (Kennelly et al., 2002).
As such, the politeness dilemma discussed in this study is how to standardize Black Cohosh extracts for consistent quality and therapeutic efficacy. This process consists of chemical characterisation of its bioactive compounds, establishment of stable extraction protocols and measurement using state-of-the-art analytical methods. A secondary aim is to determine the pharmacological mechanisms of Black Cohosh in order to address the controversy over its status as an estrogenic or nonestrogenic agent. This study will hopefully enable them to establish a better foundation for clinical application in the future and at the same time, by undertaking longer term use, reduce possible risks.
Literature Review
Cimicifuga racemosa (Black Cohosh) has sparked scientific interest as an alternative treatment for menopausal symptoms, including hot flashes and mood disorders or night sweats. Several studies have examined the bioactive compounds within this herb; estrogenic and non-estrogenic in nature. While the consistent findings point to OCD being related with cerebellar oscillatory activity, this current heterogeneity of results between different studies indicates a relative deficiency on standardized research.
Black Cohosh Has Estrogenic Effects
Whether or not Black Cohosh has estrogenic activity is a huge question that still sparks controversy. Early published studies like Jarry and emp. (1985) have proposed that Black Cohosh includes phytoestrogens such as formononetin and could bind estrogen receptors, potentially imitate if there is enough of it the effect by estrogen in the organism. Hormone-sensitive cancers, such as breast cancer (Jarry et al., 1985), can exacerbate this. However, follow up investigations concluded the compound was largely devoid of estrogenic activity other than those determined in an earlier study to be a result of contamination from plants that contain high levels phytoestrogens themselves (Kennelly et al., 2002). In addition, the studies by Liu et al. In fact, as Anderson and Ni (2001) have showed Black Cohosh do not bind to estrogen nuclear receptors or increase serum levels of estradiole this make even more dificult the acceptation of its effects due an oestrogenic action.
The biologic pathways of Black Cohosh have turned to non-estrogenic actions in recent research. Studies by Burdette et al. (2003) and Winterhoff et al. It might work in controlling menopausal symptoms through its interactions with 5-HT receptors on the CNS (O'Keane, D. et al.,2002) These results indicate that the herb works as a serotonin modulator, impacting mood regulation and thermoregulation also decreasing symptoms like hot flashes along with emotional lability in perimenopausal women (30-31). This potential mechanism alleviates the worry of hormone-sensitive cancers as it suggests that Black Cohosh is not directly interacting with estrogen receptors (Burdette et al., 2003).
Standardization Challenges
One of the big stumbling blocks in Black Cohosh research has been that nearly everyone extracts it by a different method, and then we all analyze our samples differently. Studies have reported significant variability in the concentrations of triterpene glycosides, phenolic acids, and flavonoids present in different Black Cohosh preparations. In particular, Panossian et al conducted a study [ A 2-hexylcyclopropaneoctanoic acid was first reported by the group of Lankin et al. (2004), who detected it as unique marker for Black Cohosh, using this information from extensive testing carried out on markers in horsetail herbal preparations to visit product authentication issues. But the amounts of other active ingredients like 23-epi-26-deoxyactein, and actein are highly variable among different preparations (Panossian et al., 2004).
These findings have been further substantiated by studies (e.g., Struck et al.) showing the extreme variability in black cohosh products. (2005) reported that the concentration of triterpenes in commercially available products differing up to nearly 10%. The variable nature of the composition presents difficulties in evaluating Black Cohosh efficacy and safety since unintended dosages may result from this, leading to different clinical effects (Struck et al., 2005). Henceforth there is a serious requirement to the standardization of extraction methods employed for Black Cohosh extracts and need for development reliable analytical solutions like HPLC to determine consistent (active compounds) concentrations among various preparations.
Clinical Trials and Safety on Black cohosh
Clinical trial have been undertaken in the treatment of menopausal symptoms to evaluate Black Cohosh as regards its efficacy and safety. A meta-analysis by Geller & Studee (2006) published topically review of randomized controlled trials to determine if black cohosh was effective for the symptomatic relief from hot flashes. Findings in Clinical Use Some studies have found Black Cohosh to significantly decrease hot flashes, however other researches failed there was difference among the groups using black cohosh or placebo ones (Geller & Studee, 2006). The authors note that further studies must be conducted according to uniform standards (particularly with standardized preparations of Black Cohosh) which should then lead one towards a more definitive study.
How safe is Black Cohosh? But some adverse reactions have been reported, including hepatotoxicity and gastrointestinal disturbances (Mahady 2005). We don't have long-term safety studies, especially when it comes to menopausal women who may already be at risk of hormone-sensitive cancers. The potential for herb-drug interactions also still concerns as Black Cohosh applications are frequently combined with other medication or supplements (Mahady, 2005).
Conclusion
The vast majority of the literature suggests that Black Cohosh has a place as an important natural option for treating menopausal symptoms. Yet, the findings on estrogens activity and a lack of standardized extraction methods make researches results somewhat inconsistent A need for larger, well-controlled studies using standardized Black Cohosh preparations was suggested to establish the effectiveness and safety of this plan in future trials.
Taxonomy of Black Cohosh
Cimicifuga (known as Black Cohosh) is a genus of Ranunculaceae. This is the buttercup family, a large group of some 50 genera and over two thousand species including many familiar wildflowers from northern clasping-monkey flower wild flower queen ever beautiful bulb long-haired phlox water plantainblessed milk-thistle meadowsweet vaccinium subulatum marmite tree(temperate) regions throughout moist temperate areas. Cimicifuga racemosa is a herbaceous perennial plant mainly native to North America, predominantly in the Eastern United States. This plant is extensively known and used for its medicinal properties, such as in the case of menopausal symptoms or freverbal gynecological complaints (Wu et al., 2017)
Plant classification of Actaea racemosa :
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Ranunculaceae
Plant : Actaea(cimicifuga ~ Synonyms)
Common names: Black Cohosh; Botanical name(s): Actaea racemosa (Cimicifuga racemosa)
Recent molecular phylogenetic studies have melded the genus Cimicifuga into Actaea, resulting in taxonomic changes. Nevertheless, black cohosh continues to be the more common name used around Cimicifuga racemosa (notably in traditional and herbal medicine) [2]. The tree can reach a height of 2.5 meters, has dark green leaves and small white flowers that grow on wand-like spikes (Joubert et al., 2014). This is desirable, however: the part of goldenseal used in medicine is its fat rhizome--a thick knotted thing easily identified.
Family: Ranunculaceae
Ranunculaceae (buttercup family) and includes herbs, as well as woody species. Members of this family are characterized by having opposite leaves and zygomorphic flowers with five sepals, petals, and stamens. Plant material of many species in this family is used as a basis for medicines due to the presence of compounds with medicinal properties, and so have been subject to significant investigatory research (Zhou et al., 2012). The flowers are usually bisexual and have numerous, more or less separate stamens and carpels. Plants in the family are also known for their pharmaceutical properties, and some of them such as Aconitum or Caltha have a history of use with conventional medicine even though they contain potentially lethal compounds.
Genus: Cimicifuga
The genus Cimicifuga comprises about 24 species native to Europe, North America and Asia. There are basically three species that have been widely recorded in North America which includes C. Gummosa, C. Americana and C. Rubifolia (Xiao et al., 2012). Morphologically, these species have characteristics in common such as robust creeping rhizomes with fibrous roots and ternate or compound leaves. The flowers are hermaphroditic, small and in dense racemose inflorescences. The sepals of the plants are white and caducous so they make them look fragile. The genus of Artemisia has been studied in for their bioactive compounds due to the medicinal potential (Yang et al., 2015).
Black Cohosh in Traditional Medicine
Traditionally, Black Cohosh is used for medicinal purposes and Native American communities were the first to use this plant. Cimicifuga racemosa (Actaea racemosa, black cohosh) is a plant that has been used tradition-ally by Native Americans as an herbal remedy for treating menstrual irregularities, rheumatism and labor pain Historically speaking; the roots of C.olecules can reduce 26-types of cancer disease including lung, cervical, breast etc.,(Jiang et alaeda, 2005). It was commonly known as "squaw root" or as "black snakeroot", used for gynecological conditions by Native American women. It was also utilized as a treatment for snake bites and other venomous wounds which contributed to its common name, "snake root" (Johnson et al., 2014).
Cimicifuga species are used in traditional Chinese medicine for the treatment of fever, headache and sore throat (Sheng Ma). In China, medicinal use of a number Cimicifuga species to relieve symptoms like infectious and inflammatory skin conditions has been documented as they are classified in Chinese pharmacopoeia for their cooling and detoxifying properties (Liu et al., 2018). Among these, the most popular and widely used herb in Western herbal medicine for managing menopausal symptoms is Cimicifuga racemosa (Ranunculacae), commonly known as black cohosh [2 — 5].
In the 19th Century, Black Cohosh found a substantial role in modern pharmacological uses following its transition from traditional remedies vastly effected by the Eclectic medical movement. Practitioners of this tradition promoted the use plants as medicine and played a role in Black Cohosh being brought into conventional medical practice (Smith et al., 2011). Black Cohosh, a natural remedy for hot flushes and other menopause symptoms has also id Scientific interest in plant preparations was lost after the mid-marked benefic effects on bone health (Martin & Ernst; 2015) Via Wikiperdia_used as such near-pharmaceutical drugs However studies have noted anti-inflammatory phyto-constituents -20th century ©00SC which are diffused with marked caution.
The Pharmacology and Biochemistry of Cimicifuga racemosa Extracts
Cimicifuga racemosa (Black Cohosh) is an herb that has been used as a traditional remedy to relieve menopausal symptoms, particularly hot flashes, mood changes and related complaints. A significant part of the pharmacological actions of this herb are attributed to its bioactive compounds, which can be found in that extracts. Herein we discuss the central pharmacological activities, biochemical pathways as well as modes of action in extracts prepared from Cimicifuga racemosa.
Active Compounds
The most important active ingredients in Cimicifuga racemosa rhizome are triterpene glycosides, plant phenols and flavonoids. Classically, actein and its 23-epi-stereoisomer (26-deoxyactein) solvated in a protoanemonin analogue precipitated under the practical conditions for extraction of an aqueous tincture since it was clear that triterpene glycosides including cimicifugoside parallel were important to their natural protective activity as detailed above. Since these compounds may act as modulators of estrogenic activity, it has been suggested that they could interfere with different hormonal and neurotransmitter systems in the body.
This plant also contains phenolic compounds and a high percentage of flavonoids which are related to its pharmacological properties [37]. The latter compounds have antioxidant effects (Kim et al., 2016), so they could reduce the oxidation damage and inflammation burden of menopause. These compounds provide additional therapeutic value to Cimicifuga racemosa extracts.
Mechanisms of Action
The pharmacological mechanisms of Cimicifuga racemosa are complex and diversified. In contrast to traditional hormone replacement therapy (HRT), which acts directly on estrogen levels, Black Cohosh appears effective through a range of non-estrogenic mechanisms. But now, new research has prompted researchers to consider that its actions might largely involve serotonin receptors — specifically the 5-HT3 receptor (Burdette et al., 2003; Wuttke. This interaction may be important in mediating mood and vasomotor symptom modulation, which could underlie some of the efficacy observed for this intervention on hot flashes and mood in menopausal women.
Furthermore, perhaps the most suggestive of these is a few studies suggested that extracts of Cimicifuga racemosa may have an effect upon hypothalamic-pituitary-gonadal (HPG) axis. These extracts potentially act on central nervous system pathways to modulate the neuroendocrine responses of menopausal symptoms. Data however suggest that the extracts may has an ability to decrease gonadotropins secretion and improve hormonal changes manifestations (Martin & Ernst, 2015).
Pharmacological Effects
Menopausal Symptom Relief
Cimicifuga racemosa has been the subject of many clinical trials in relation to its effects on menopausal symptoms. A meta-analysis of randomized controlled trials indicated women taking Black Cohosh experienced a decrease in hot flashes, both oits frequency and severity as compared to those receiving the placebo (Koehler et al., 2014). Such results validate the potential utilization of Black Cohosh as a real alternative for women in search of natural treatments to menopausal symptoms.
Mood and Anxiety Regulation
Cumulative data suggest that in addition to efficacy at controlling vasomotor symptoms, Cimicifuga racemosa may improve mood and reduce anxiety. This makes other two populations a perimenopausal population, in which the plant was shown to have serotonergic activity and identifies it as potential for mood stabilization and reduction of symptom complex related anxiety during menopause ( Burdette et al., 2003). Black Cohosh has anxiolytic effects in animal models, suggesting a mechanism for the mood-related benefits of Black cohosh (Li et al., 2016).
Properties Anti-Inflammatory & Antioxidant
Apart from its application in alleviating menopausal symptoms, Cimicifuga racemosa also exerts a significant anti-inflammatory and antioxidant effects. Kim et al. (2016) have also reported that extracts from this plant can inhibit pro-inflammatory cytokines and reduce oxidative stress markers, which result in good health overall when assessed through the various measurements used by other studies referred to below This anti-inflammatory action may also confer protective effects against the age-associated diseases.
Safety and Adverse Effects
Cimicifuga racemosa is mostly reported as safe for short-term use, but some concerns have been raised regarding possible adverse effects. Spontaneous reports of hepatotoxicity led to removal, particularly in patients with underlying liver problems (Geller & Studee, 2006). And, larger and longer safety studies would help us to better identify the long-term risks of taking Black Cohosh on a regular basis.
In the final analysis, CR extracts exert a variety of pharmacological effects mainly due to modulation in complex biochemical pathways. He Shou Wu is said to help balance mood, and has been notable for its anti-inflammatory properties when used both topically or systemically, as an infusion consumed orally. Nevertheless, it is necessary to conduct further studies in order be able to arrive at a full understanding of its mechanisms and the profile associated with efficacy and safety.
The Phytochemistry of Black Cohosh
The complex phytochemical content of black cohosh (Cimicifuga racemosa) includes a range of bioactive compounds that are believed to be responsible for its therapeutic properties. Black Cohosh, the principal active ingredients:black cohosh triterpene glycosides containing phenolic acid ester flavonoid compoundsScalars-Disposition Investigating the phytochemistry of this plant is essential in order to comprehend its pharmacological actions and therapeutic potency.
Triterpene Glycosides
The major phytochemicals present in a Black Cohosh are triterpene glycosides that consist of several isomer specific (a mixture) molecular species, sharing the same general structure – they all have an agylcone backbone with different sugar moieties attached. Most prominent among the triterpene glycosides of Cimicifuga racemosa are:
ActeinThis complex of triterpene glycosides generally known in Black Cohosh. This plant possesses the properties of estrogen and anti-inflammatory, abd this two activities are linked to actein. Studies have shown actein to be a potential serotonin receptor modifier, offering explanation for its activities in easing menopausal complaints.
Cimicifugoside: Yet another glycoside critical to the overall therapeutic action of Black Cohosh, cimicifugoside. One study found that it may have estrogenic potential and can modulate the balance of sex hormones during menopause (Zhou et al., 2015).
A view of the 23 -epi-26-deoxyactein, an actein derivative with interesting biological properties as anti-inflammatory and analgesic effects. The similar structure to actein could hint the possibility of an interaction with serotonin and estrogen receptors (Li et al., 2016).
Phenolic Compounds
In addition, Black Cohosh contains a number of phenolic compounds that are often rich in antioxidants. Within Cimicifuga racemosa's, there are phenolic compounds.
Ferulic Acid — A compound with potent antioxidant properties, known to decrease oxidative stress Ferulic acid (FA) is one of the agents with potential for protection against age related chronic disorders Kim et al.
Caffeic Acid – another phenolic compound in Black Cohosh known for its anti-inflammatory attributes. It might enhance the whole health advantages of Black Cohosh extracts by which lowers irritation in your body (Zhou et al., 2015).
Flavonoids
Bioflavonoids are another group of phytochemicals found in Black Cohosh. These compounds have been closely studied for their multifaceted biological activities such as antioxidant, anti-inflammatory, anticancer effects. The main active flavonoids present in Cimicifuga racemosa are :
This flavonoid has been linked to many health benefits, such as anti-inflammatory and neuroprotective effects. The action of luteolin at the central nervous system has been demonstrated and can be relevant for mood control in menopausal woman (Wuttke et al., 2015).
Quercetin: One of the powerful antioxidants that have been shown to reduce oxidative stress and inflammation so as to potentially contribute for overall therapeutic effects found in Black Cohosh extracts (Kim et al., 2016).
Miscellaneous Compounds
Other phytochemicals that can be found in Black Cohosh include alkaloids and organic acids, as well as triterpene glycosides, phenolic compounds & flavonoids. This peaks the interest in these non-noncannabinoid compounds and their possible contributions to its pharmacological effects, although more research is required to determine what they do.
Extraction Procedures and Standardization
The approach to phytochemical extraction from Black Cohosh could considerably modify the composition and concentration of active compounds. So common extraction techniques are:-
This variation in extraction methods indicates the necessity of standardized preparation of Black Cohosh extracts. Standardization would provide the basis for apportioning dosage and medicinal applications of the herb. As discussed, the phytochemistry of Cimicifuga racemosa is varied and complicated. Various bioactive compounds contribute to therapeutic outcomes. Research into the different compounds and their action mechanisms is necessary to fully comprehend the potential of the plant in herbal medicine. Extraction of Cimicifuga racemosa The extraction of bioactive compounds from Cimicifuga racemosa is an essential process for developing medicinal applications.
Different approaches can be used to extract the active phytochemical compounds responsible for observed therapeutic outcomes. The choice of method has a direct impact on the quality and quantity of the target compounds. The essay discusses four extraction methods commonly applied in the extraction of Cimicifuga racemosa.
Procedure:
Percolation is a more efficient method compared to maceration and is commonly used for extracting active ingredients from plant materials. This method involves the gradual passage of a solvent through the plant material under controlled conditions.
Procedure:
The percolation process generally provides a higher yield of active compounds compared to maceration and allows for better control over the extraction parameters (Burdette et al., 2003).
Soxhlet extraction has been used for many decades to extract organic compounds from solid materials. This method is based on the continuous route of evaporation, condensation, and percolation processes.
Procedure:
Properties — Hydrodistillation is mainly used to produce essential oils and light volatile compounds from plant materials. This is a dry process where the plant material has steam passed through it to evaporate off its essential oils.
Procedure:
Microwave-assisted extraction (MAE) is a type of technique in which microwave energy is used to carry out the extraction process and can derived quickly so that extracts more efficiently.
Procedure:
The drug plant material in powdered form was agitated energetically with a solvent, which is carried out by shaking the dissolvent and the material in proper container.
The mixture is then microwaved, causing the plant cell walls to break down and bioactive compounds to be released.
The filtrate was then cooled to yield the extract.
The rapid heating and enhanced mass transfer of MAE are capable to extract a higher amount of phytochemicals in contrast with conventional methods resulted from those properties (Zhou et al., 2015).
Supercritical fluid extraction (SFE) was developed to extract bioactive compounds from plant materials using supercritical fluids, e.g., carbon dioxide. Such a method has become popular because this is the way to get rid of compounds and says goodbye thermal deletion.
Procedure:
It is installed in an extraction chamber with plant material.
The process of creating supercritical CO2 involves pressurizing carbon dioxide and heating it until it reaches what is known as a supercritical state, where the substance shows characteristics both of a gas and liquid.
The supercritical CO2 is then adjected to the plant material in a relatively short column that dissolve out the compounds you are looking for.
Pressure is decreased to enable the CO2 gas state, which leaves behind the separated compounds.
Given the efficiency of SFE and its potential to preserve labile compounds, it appears as a promising tool for active compound recovery from Black Cohosh (Wang et al., 2017).
Three-phase partitioning (TPP) is a more recent extraction technique based on the separation of solutes between three immiscible phase, i.e., an aqueous phase organic solvent and a polymer.
Procedure:
The plant material is combined with an aqueous solution and solvent (butanol, ethyl acetate) together with a polymer such as polyethylene glycol.
The liquid phase is agitated, promoting the redistribution of phytochemicals into their appropriate phases.
The phases settle and the various stages can be separated, whereupon one collect desired compounds from either organic or polymer phase.
The application of TPP has demonstrated that the extraction of bioactive substances from plant materials can be efficient and suitable for faster contact (saves time) and obtaining higher yields.
It is a technique that is utilized mainly for the extraction of essential oils from plants or more precisely aromatic herbs. By bringing steam into contact with the plant material, It is steamed and causes some volatile compounds to vaporize.
Procedure:
The plant material is loaded in a distillation unit and then steam enters.
The steam is passed over the plant material, carrying volatile compounds with it into a condenser.
It cools the vapor and collects it, leaving us with essential oils on top of water.
This method works very well with essential oils but does not isolate non-volatile compounds found in Black Cohosh (Zhang et al., 2014).
EXPERIMENTAL
10.1 PLANT MATERIALS
Black Cohosh (Actaea racemosa L. [syn. Cimicifuga racemosa (L.) Nutt.]) rhizomes were collected from a verified supplier in Aminabaad, Lucknow, India. The rhizomes were thoroughly washed with distilled water to remove any extraneous material and were subsequently dried in a mechanical dryer at 55 °C for 48 hours (Smith et al., 2012). After drying, the rhizomes from all collected samples were mixed to form a primary bulk sample, which was then frozen in liquid nitrogen. The frozen material was ground into a fine powder using a mortar and pestle.
10.2 CHEMICALS AND REAGENTS
The following chemicals and reagents were used in this study:
All reagents and chemicals used in preliminary tests were also utilized in the experimental processes.
10.3 EXPERIMENTAL PROCESS OF BLACK COHOSH INCLUDES:
EXTRACTION
11.1 PERCOLATION
In this procedure, dried powder of Black Cohosh (15 g) were kept in percolator and 100% methanol added at ratio of 1:4(1 part black cohosh : four parts solvent). This mix was then left for 24 hours to rest. The extract was thereafter filtered and stored in an airtight container (Zhou et al., 2015).
11.2 MACERATION
In maceration, 15 g of Black Cohosh powder was taken in a closed glass jar and added with 75% ethanol at the ratio of (1:4). The mixture was then let set for 48 hours and shook up every six to make sure all of the extraction took place. The mixture is filtered by Whatman No. 1 filter paper, and the extract was kept (Wang et al., 2017).
11.3 STEAM DISTILLATION
Yet, in this method 15 g of dried Black Cohosh powder was added with water into a distillation flask. The mixture was subjected to typical steam distillation techniques for the volatile compound [ 46 ]. The distillate was then collected into a sealed flask in preparation for further measurement (Li et al., 2016).
11.4 HYDRODISTILLATION
A hydrodistillation was carried out of a mixture of Black Cohosh powder and distilled water, using 15 g plant material (ratio:1:4) in Clevenger apparatus. Essential oils and other volatile compounds were extracted through the application of heat, then collected in airtight containers for preservation (Jung et al., 2014; Liang et al.
11.5 Microwave-Assisted Extractions
Fifteen gram of dried Black Cohosh powder was extracted with 75% ethanol using microwave assisted extraction (MAE). The compounds were subjected to microwave irradiation for a fixed time, so that the functionalized products canbe extracted further from there sample,,, The resultant mixture was then allowed to cool down., filtered and used as such or stored (Rathore & Gupta 2015).
11.6 PHASE-PARTITIONED PATTERNS (a.k.a., TPP)
Black Cohosh powder (15 g) was admixed with an aqueous solution and organic solvent such as butanol in the presence of polymer. The mixture was then shaked gently to facilitate the partition of compounds into their phases. The layers separated after settlement and some compounds were isolated from the organic phase (Sarker & Nahar, 2018).
12.1 Organoleptic Properties of Black Cohosh
12.2 Botanical Properties of Black Cohosh
12.2.1 Macroscopic Properties
12.2.2 Microscopic Characteristics
12.3 Physical Parameters
12.4 Chemical Parameters
Sr. No. |
Name of the Test |
Methodology |
Inference |
Reference |
1. |
Alkaloids |
Dragendorff Test: Put a drop of extract on a small piece of precoated TLC plate. Spray the plate with prepared Dragendorff's reagent. |
Orange spot |
Kumar et al., 2007 |
Wagner Test: Add 2 mL of filtrate with 1% HCl + steam. Then add 1 mL of the solution with 6 drops of Wagner's reagent. |
Brownish-red precipitate |
Chanda et al., 2006 |
||
TLC Method: Solvent system: Chloroform: methanol: 25% ammonia (8:2:0.5). Spots can be detected after the spraying with Dragendorff reagent. |
Orange spot |
Tona et al., 1998; Mallikharjuna et al., 2007 |
||
2. |
Anthraquinones |
Borntrager's Test: Heat about 50 mg of the extract with 1 mL freshly prepared 10% ferric chloride solution and 1 mL of concentrated hydrochloric acid. Cool the extract and filter. Shake the filtrate with an equal amount of the diethyl ether. Than extract the ether extract with strong ammonia. |
Pink or deep red coloration of aqueous layer |
Kumar et al., 2007 |
3. |
Cardiac Glycosides |
Killer-Killani Test: Add 2 mL filtrate with 1 mL of glacial acetic acid GAA, 1 Ml of ferric chloride, and 1 mL concentrated sulfuric acid. |
Green-blue coloration of solution |
Parekh and Chanda, 2007 |
4. |
Flavonoids |
Shinoda Test: To 2–3 mL of methanolic extract, add a piece of magnesium ribbon and 1 mL of concentrated hydrochloric acid. |
Pink-red or red coloration of the solution |
Kumar et al., 2007 |
5. |
Phenols |
Phenol Test: Spot the extract on filter paper. Add a drop of phosphomolybdic acid reagent and expose to ammonia vapors. |
Blue coloration of the spot |
Kumar et al., 2007 |
6. |
Tannins |
Phlobatannins Test: Boil 2 mL extract with 2 mL of 1% hydrochloric acid (HCl). |
Formation of red precipitates |
Edeoga et al., 2005 |
7. |
Reducing Sugars |
Fehling's Test: Add 25 mL of diluted sulfuric acid (H2SO4) to 5 mL of water extract in a test tube and boil for 15 mins. Cool and neutralize with 10% sodium hydroxide to pH 7, then add 5 mL of Fehling solution. |
Brick red precipitate |
Akinyemi et al., 2005 |
8. |
Saponins |
Foam Test: In a test tube, Add 0.5 mL of filtrate with 5 mL of distilled water and shake well. |
Persistence of frothing |
Parekh and Chanda, 2007 |
9. |
Steroids |
Liebermann-Burchardt Test: To 1 mL of the methanolic extract, add 1 mL of chloroform, 2–3 mL of acetic anhydride, and 1 to 2 drops of concentrated sulfuric acid. |
Dark green coloration |
Kumar et al., 2007 |
10. |
Tannins |
Braemer's Test: Add 10% of alcoholic ferric chloride to 2–3 mL of methanolic extract (1:1). |
Dark blue or greenish-grey coloration of the solution |
Kumar et al., 2007; Parekh and Chanda, 2007 |
11. |
Salkowski Test |
To 1 mL of methanolic extract, add 1 mL of chloroform, 2–3 mL of the acetic anhydride, and 1 to 2 drops of concentrated sulfuric acid. |
Reddish brown color at the interface |
Edeoga et al., 2005 |
12. |
Volatile Oil |
Add 2 mL extract with 0.1 mL dilute NaOH and a small quantity of dilute HCl. |
Formation of white precipitates |
Dahiru et al., 2006 |
12.5 Biological Parameters
12.5.1 Pharmacological
Bitterness value: The bitterness of the herbal drug is assayed by comparison with the threshold bitter concentration in a Cimicifuga racemosa extract and diluted quinine hydrochloride standard (R). The bitterness value is in units of the equivalent to 1 g quinine hydrochloride per Litre (Wagner et al., 2007).
General hemolytic activity: The hematolyic effect of extracts from Cimicifuga racemosa with the content saponins was determined by comparing to a standard material, Saponin (R) that has 1000 units/g as value for sporty nicrocytes lysis (Chanda & Parekh 2007).
Enzymatic Activity: The enzymes peroxidase and malate dehydrogenase may be present in this extract as determined by vocabulary assays of the samples at radial gradients on agar plates using corn seedlings. Bitterness is quantified in units the same as solution containing 1 g of quinine hydrochloride (Wagner et al., 2007)
Hemolytic Activity: Hemolytic activity of saponins containing extract Cimicifuga racemosa is evaluated by comparing it with test sample with reference standard material (saponin R) having hemolytic activity 1000 units/gm,reported Chanada & Parekh,2007.
Foment Index (FI): FI is representative of the foaming nature of aqueous decoction by taking out shaking test followed by measurement foment index. This index reflects the presence of saponins which can produce stable foam (Kumar et al., 2007).
Swelling Index: The quotient of the volume in mL that 1 g Cimicifugae racemosae occupies under specified conditions and produces ((wet weight ÷ dry weight) × ratio is calculated. The swelling index is expressed as the increase in volume of a material when added to an equal volume of water and shaken for 1 hour, after which it was left standing (Edeoga et al., referred by Senatore).
12.5.2 Toxicological
Pesticide Residue Determination: We tested Cimicifuga racemosa for content of residue the pesticide and hazardous elements. Safety studies that must be done, including LD50 tests in animals to demonstrate the absence of harmful microorganisms (Kumar et al.
Heavy Metals (Cd, Pb, As): Environmental pollution can contaminate the groundwater with heavy metals like mercury, copper lead cadmium and arsenic which imposes severe risks to human health. Exposure of these toxic metals is estimated in terms of consumption and content (Dahiru et al., 2006)
Radioactive Contamination: If a nuclear accident was to occur, radioactive contamination is highly dangerous for health. Guidelines have been provided by World Health Organization (WHO) for evaluation & treatment of contamination due to exposure of radionuclides in such episodes(Organisation, 2019).
12.5 Microbial Contamination
12.5.3Microbes
Total Viable Aerobic Count: Cimicifuga racemosa can support the growth of a wide range of microbial contaminants including bacteria, fungi and viruses. Total viable aerobic count, which represents the total load of bacteria present in the herbal product and underscores environmental quality (Sarker & Nahar 2018).
Pathogen, Aflatoxin Contents Of: The full microbial investigation included the quantification of aerobic colony count (Aerobic Count), total mold contamination rate (Mold Contamination Rate), and Enterobacteriaceae enumeration. It is tested for Pathogenic microorganisms Escherichia coli, Staphylococcus aureus, Shigella spp., Pseudomonas aeruginosa and Salmonella species. In addition, aflatoxin testing is done to verify the safety of herbal preparation (Edeoga et al., 2005).
Actaea racemosa, commonly known as Black Cohosh or Black Snakeroot, is a member of the Ranunculaceae family, native to eastern North America. This plant is recognized for its medicinal properties and has been traditionally used to treat various women's health issues, such as chronic ovaritis and amenorrhea (Mahady et al., 2002). The primary active compounds identified in Black Cohosh include cycloartenol-type triterpenoids, cimicifugoside, and cinnamic acid derivatives, which contribute to its therapeutic effects.
The sterilization of Black Cohosh was successfully completed, and the following results were obtained from various phytochemical tests performed on the extracts:
Sr. No. |
Test Performed |
Results/Interference |
1. |
Alkaloids |
|
Dragendorff ‘s Test |
Positive |
|
Wagner Test |
Positive |
|
TLC Method |
Positive |
|
2. |
Anthraquinones |
|
Borntrager's Test |
Negative |
|
3. |
Cardiac Glycosides |
|
Killer-Killani Test |
Positive |
|
4. |
Flavonoids |
|
Shinoda Test |
Positive |
|
5. |
Phenols |
|
Phenol Test |
Positive |
|
6. |
Tannins |
|
Phlobatannins Test |
Negative |
|
7. |
Reducing Sugars |
|
Fehling's Test |
Negative |
|
8. |
Saponins |
|
Foam Test |
Negative |
|
9. |
Steroids |
|
Liebermann-Burchardt Test |
Negative |
|
10. |
Tannins |
|
Braemer's Test |
Negative |
|
11. |
Salkowski Test |
Positive |
12. |
Volatile Oils |
Negative |
Discussion
The Dragendorff test, Wagner test and TLC methods enhanced the persistence of alkloids in extracts from Cimicifuga racemosa positive: anabolic effect [5–7] It is widely recognized that alkaloids have pharmacological activities, and thus may be responsible for the therapeutic actions of the plant. The presence of alkaloids correlates with previous reports, which propose the involvement in biological activities such as anti-inflammatory and analgesic effects (Mahady et al. 2002).
This also supports early suggestions that the cardiovascular effects associated with Black Cohosh at lower doses may provide dual benefit for older women entering menopause who are both vasomotor symptomatic and post-MI. []. Cardiac glycosides, which affect heart function have been the traditional usage of this plant indicating a multilayered therapeutic profile for It.
In addition, flavonoids (well-known as potent antioxidants and anti-inflammatory compounds) are another class of shown positive compunds by the Shinoda test. The presence of phenolic acid, signifying the positive in both ferric chloride test and Phenol Test reveals that Black Cohosh can even act as an antioxidant as well.
The presence of anthraquinones, tannins, saponin and steroids in the extracts was not detectable which indicates that these compounds may be non significant for Cimicifuga racemosa or occur at such a low level. The positive results in the Salkowski test, however, indicate that some steroids-like compounds might still be existed but were presumably not reached at concentrations high enough to have a profound effect or they even became bound into complex molecules.
Conclusively, the phytochemical analysis of Actaea racemosa has revealed an excellent array of bioactive agents which could ultimately be responsible for its traditional health remedy. The presence of alkaloids, cardiac glycosides, flavonoids and phenolic compounds suggests that Black Cohosh may have therapeutic potential in particular for women's health. Additional research, including clinical trials, is needed to determine the mechanisms through which these compounds work.
The phytochemical therapies of Actaea racemosa (Black Cohosh) play a key role in the treatment of menopausal symptoms, as evidenced by this study. Various bioactive compounds, including alkaloids, flavonoids and phenolic acids are isolated by exhaustive extraction and the results indirectly supported traditional use of plant in treatment of hormonal imbalance as well on other menopause related disorders. The identified compounds have potential therapeutic effects, such as estrogenic; anti-inflammatory and antioxidant activities that justify the medicinal use.
The systemic presence of these bioactive molecules post-menopause imply that Actaea racemosa might have utility in the treatment or prevention of osteotrigin (OR) associated inflammatory and oxidative stress related diseases. These results support further investigation of its mechanisms and clinical applications in modern herbal medicine against a wide range of therapeutic targets. Further research will be necessary to improve extraction techniques, evaluate clinical efficacy and minimize side effects before the therapeutic capacities of this plant can find a place in modern medical practice.