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Anti-arthritic activity and phytochemical composition of "Cao Khai" (Aqueous extracts of Coptosapelta flavescens Korth.).

ABSTRACT: For a long time, ethnic minorities in Ninh Thuan province have combined "Day Khai" (Coptosapelta flavescens Korth) with many other medicinal herbs, creating an esoteric remedy called "Cao Khai"-an aqueous extract from Day Khai. This study tested an aqueous extract from "Day Khai" for total phenolics, total flavonoids, antioxidant, and anti-inflammatory activity in an in vivo mice model. The aqueous extracts of raw materials C. flavescens collected in different regions were found to have phenolics, flavonoids, and antioxidant capacity in vitro according to DPPH, ABTS, RP, TAC, and FRAP methods. This study evaluated the effect of C. flavescens on arthritis of Complete Freund's adjuvant (CFA) induced-mice by observing changes in the degree of edema in the leg joints blood index and histology. The findings indicated that the "Cao Khai" had anti-inflammatory benefits and lowered the inflammatory symptoms in mice equivalent to Mobic medications (p < 0.05) while also limiting cartilage tissue damage after 14 days of usage. As a result, it is clear that "Cao Khai" can be considered a medicinal herb with tremendous potential for usage as an addition to illness therapy that should be protected and cultivated.

SUBMITTER: Pham TN

PROVIDER: S-EPMC8866061 | biostudies-literature | 2022 Feb

REPOSITORIES: biostudies-literature

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Anti-arthritic activity and phytochemical composition of "Cao Khai" (Aqueous extracts of Coptosapelta flavescens Korth.).

Pham Tri Nhut TN Nguyen Xuan Tuyen XT Phan Trong Doan TD Le Tien Dung TD Nguyen Thi Bach Tuyet TBT Hoang Thi Phuong Lien TPL Bach Long Giang LG

Heliyon 20220218 2

For a long time, ethnic minorities in Ninh Thuan province have combined "Day Khai" (Coptosapelta flavescens Korth) with many other medicinal herbs, creating an esoteric remedy called "Cao Khai"-an aqueous extract from Day Khai. This study tested an aqueous extract from "Day Khai" for total phenolics, total flavonoids, antioxidant, and anti-inflammatory activity in an in vivo mice model. The aqueous extracts of raw materials C. flavescens collected in different regions were found to ...[more]

PMID: 35243058

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Project description:BackgroundExtracts from medicinal plants with phytochemicals with known antimicrobial properties can be an effective adjunct in the complex treatment of infectious diseases. This study aimed to evaluate the antimicrobial activity of wormwood extracts collected in Kazakhstan (Artemisia gmelinii Weber ex Stechm.), along with their phytochemical analysis.MethodsThe ethanolic and chloroform extracts were subjected to HPLC combined with quadrupole time-of-flight mass spectrometry method. For quantitative assessment of antimicrobial activity, minimal inhibitory concentration (MIC) of the tested extracts was determined by micro-dilution broth method for the panel of the reference microorganisms. Minimal bactericidal concentration (MBC) or minimal fungicidal concentration (MFC) were also determined.ResultsLC/MS analysis showed the presence of 13 compounds in the tested extracts, including flavonoids: apigenin, luteolin, rutin, two O-methylated flavonols (isorhamnetin, rhamnazine), coumarin compounds (umbelliferone, scopoletin and scopolin (scopoletin 7-glucoside), 3-hydroxycoumarin and 4-hydroxycoumarin), chlorogenic acid and two dicaffeoylquinic acid isomers. Quantitative HPLC analysis showed that umbelliferone was dominant in the chloroform extract while chlorogenic acid was identified as a main compound in the ethanolic extract. The antibacterial and antifungal activity of chloroform and ethanolic extracts was comparable. The most sensitive were the Gram-positive bacteria represented by staphylococci, Micrococcus luteus and Bacillus spp. (MIC = 1.25-5 mg/ml) and yeasts represented by Candida spp. (MIC = 2.5-5 mg/ml), irrespective of the assayed extract.ConclusionsExtracts of wormwood Artemisia gmelinii have shown a wide spectrum of antibacterial and antifungal activity. Luteolin, rutin, isorhamnetin and scopolin were identified in A. gmelinii species for the first time. The determining of the most potential compounds of Artemisia gmelinii can be used to develop effective antibacterial and antifungal agents.

Project description:BackgroundViscum album L. (Santalaceae), commonly known as mistletoe, is a hemiparasitic plant traditionally used in complementary cancer treatment. Its antitumor potential is mostly attributed to the presence of aqueous soluble metabolites; however, the use of ethanol as solvent also permits the extraction of pharmacological compounds with antitumor potential. The clinical efficacy of mistletoe therapy inspired the present work, which focuses on ethanolic extracts (V. album "mother tinctures", MT) prepared from different host trees.MethodsSamples from three European subspecies (album, austriacum, and abietis) were harvested, and five different V. album-MT strains were prepared. The following phytochemical analyses were performed: thin layer chromatography (TLC), high-performance liquid chromatography (HPLC) and liquid chromatography-high resolution mass spectrometry (LC-HRMS). The proliferation assay was performed with WST-1 after incubation of tumor (Yoshida and Molt-4) and fibroblast cell lines (NIH/3 T3) with different MT concentrations (0.5 to 0.05% v/v). The cell death mechanism was investigated by flow cytometry (FACS) using Annexin V-7AAD.ResultsChemical analyses of MT showed the presence of phenolic acids, flavonoids and lignans. The MT flavonoid and viscotoxin contents (mg/g fresh weight) were highest in Quercus robur (9.67 ± 0.85 mg/g) and Malus domestica (3.95 ± 0.58 mg/mg), respectively. The viscotoxin isoform proportions (% total) were also different among the VA subspecies with a higher content of A3 in V. album growing on Abies alba (60.57 ± 2.13). The phytochemical compounds as well as the viscotoxin contents are probably related to the antitumor effects of MT. The cell death mechanisms evaluated by colorimetric and FACS methodologies involved necrotic damage, which was host tree-, time- and dose- dependent, with different selectivity to tumor cells. Mother tincture from V. album ssp. abietis was the most effective at inducing in vitro cellular effects, even when incubated at the smallest concentration tested, probably because of the higher content of VT A3.ConclusionOur results indicate the promising antitumor potential of Viscum album ethanolic extracts and the importance of botanical and phytochemical characterization for in vitro anti-proliferative effects.

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Project description:BackgroundA study carried out by World Health Organization revealed that around 80% of individuals globally depends on herbal forms of medication with 40% of pharmaceutical products being sourced from medicinal plants. The study objective was to evaluate the phytochemicals composition, in vitro antimicrobial and antioxidant properties of the leaves of Terminalia catappa L. aqueous and methanolic extracts.MethodsAntimicrobial activity was analyzed by disk diffusion, the minimum inhibitory concentration in-vitro assays with ciprofloxacin as the standard for antibacterial assay while nystatin for antifungal assay. Ferric reducing antioxidant power and 2,2-diphenyl-1-picryl-hydrazyl-hydrate assays were used for the evaluation of antioxidant properties of the crude extracts while the groups responsible for this activity identified using Fourier transform infrared spectrophotometer.ResultsThe study found that the leaves of Terminalia catappa contained alkaloids, tannins, steroids, cardiac glycosides, flavonoids, phenols, saponins, and coumarins, but terpenoids were absent. Presence of functional groups associated with this class of compounds such as OH vibrational frequencies were observed in IR spectrum of the crude extracts. Methanolic extract from Terminalia catappa exhibited greater antibacterial properties against Pseudomonas aeruginosa, Escherichia coli and Staphylococcus aureus, whereas aqueous extract displayed greater antibacterial activity against Bacillus subtilis for all concentrations tested. The amount of the sample that scavenged 50 percent of DPPH (IC50) was found to be 8.723, 13.42 and 13.04 µg/mL for L-ascorbic acid, Terminalia catappa L. methanolic and aqueous extracts respectively. The antimicrobial and antioxidant activities varied with the extract concentration and solvent used in extractions.ConclusionTerminalia catappa L. leaves are prospective for use as a source of therapeutic agents that could lead to the advancement of new antimicrobial and antioxidant products.

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Anti-arthritic activity and phytochemical composition of "Cao Khai" (Aqueous extracts of Coptosapelta flavescens Korth.).

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Anti-arthritic activity and phytochemical composition of "Cao Khai" (Aqueous extracts of <i>Coptosapelta flavescens</i> Korth.).

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