Medicinal plant extracts
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The entire plants of Lycopodiella cernua L. are utilized in Vietnam and China as traditional herbal medicine due to their anti-inflammatory activity and neuroprotective effect. In this current research, four dihydrobenzofuran neolignan derivatives (1–4) have been purified from the ethanol extract of L. cernua.
7p viwalton 02-07-2024 0 0 Download
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Pluchea pteropoda, an annual plant in the Asteraceae family, has traditionally been used in Vietnamese folk medicine as an alternative treatment for high fever, indigestion, and painful and swollen wounds. The present study investigates the acute toxicity and antiinflammatory effects of P. pteropoda aerial parts ethanol extract (EtPP) in animal models. EtPP exhibited no toxicity in mice with a single dose of up to 5000 mg/kg.
5p vicarlos 16-05-2024 0 0 Download
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From CHCl3-soluble extract of the leaves of Taxus wallichiana (Taxaceae), collected in Lam Dong Province, five compounds were isolated and identified as sciadopitysin, ginkgetin, (S)-(+)-rhododenol, (+)-erythro-N-benzoyl3-phenylisoserine methyl ester, and (−)-α-conidendrin (5). Their chemical structures were determined by 1D and 2D NMR spectra and comparison with published data. Except for (−)-α-conidendrin, these remaining compounds were first reported of Taxus wallichiana.
6p dianmotminh02 03-05-2024 5 3 Download
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In this study, we carried out the optimization of extraction condition of polysaccharide and tannin from three medicinal plants (Ganoderma lucidum (Leyss. Ex Fr.) Karst, Morinda officianalis How and Camellia tamdaoensis Ninh et Hakoda).
8p vilarry 01-04-2024 4 1 Download
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In the present study, we investigated the antifungal activity of a methanolic extract of Glycyrrhiza uralensis Fisch. root, which inhibited the growth of the plant pathogens Fusarium oxysporum and Phytophthora capsici.
7p viellison 28-03-2024 3 1 Download
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Ebook "Q’eqchi’ maya reproductive ethnomedicine" have an extensive pharmacopoeia of medicinal plants used traditionally for reproductive health and fertility, utilizing more than 60 plant species for these health treatments. Ten species were selected for investigation of their estrogenic activity using a reporter gene assay. Nine of the species were estrogenic, four of the species were also antiestrogenic, and two of the extracts were cytotoxic to the MCF-7 breast cancer cell line.
134p manmanthanhla0201 26-02-2024 2 1 Download
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Belamcanda chinensis (L.) DC is a popular ornamental and medicinal plant belonging to the Iridaceae family. Its rhizomes are used in Vietnamese traditional medicine for the treatment of inflammation and respiratory disorders, such as asthma, tonsillitis, coughing, and pharyngitis. In this study, four iridal-type triterpenoid derivatives (1–4) and four isoflavonoids (5–8) have been isolated from the methanol extract of Belamcanda chinensis roots.
7p vibego 02-02-2024 0 0 Download
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Ebook "Medicinal plant biodiversity of lesser Himalayas-Pakistan" provides a brief introduction of Lesser Himalayas, ethnobotanical aspects, marketing and anthropogenic pressure on medicinal flora. It comprises one hundred medicinal plant species including Pteridophytes, Gymnosperms and Angiosperms (Monocots and Dicots) along with their scientific description and traditional uses.
234p tachieuhoa 28-01-2024 4 2 Download
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Qualitative and quantitative phytochemical screening of six plants used in ethnomedicine in the Niger Delta region of Nigeria was carried out to identify and quantify the bioactive compounds present in these highly medicinal plants.
8p viisac 23-09-2023 1 1 Download
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The world has already undergone several health-related upheavals that have drawn the attention among which obesity. It is an important public health problem as well in developed as in developing countries. In order to sustainably manage this disease and associated damages, medicinal plants could be an alternative solution to synthetic drugs which can present side effects.
14p viisac 23-09-2023 2 0 Download
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Medicinal plants are the wealthy source of antibacterial agents and curatives. There is an urgent need for new antimicrobial agents, so the antimicrobial activity for Ruta graveolens L. and Ficus carica Linn. Crude extracts were evaluated for its inhibitory activity against some disease causing selected microorganisms.
5p viisac 23-09-2023 1 1 Download
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Purple amomum (Amomum longiligulare T.L. Wu), which belongs to the monophyletic Zingiberaceae family, is a valuable medicinal plant in Vietnam. The studies on the biological activities of the extracts or essential oils of this species are very limited. So far, there has been no evaluation of the antifungal activity of purple amomum extracts.
11p viberkshire 09-08-2023 7 3 Download
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Four secondary metabolites, including daidzein (1), genistein (2), glycitein (3), and daidzin (4) have been isolated and structural elucidated from the methanolic extract of the stems and leaves of Erythrina variegata L. collected in Hanoi city, Vietnam. In this report, the isolation, structural elucidation, and α-glucosidase inhibitory activity evaluation of the compounds from the medicinal plant are described.
4p viwarmachine 01-07-2023 2 1 Download
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Dangshen Codonopsis javanica exhibits invaluable medicinal properties in herbal remedies; however, there has currently not been much specific analysis of the phytochemicals and bioactivities of this plant. The root ethanol extract of C. javanica contains substances such as saponins, phenolic acids, terpenoids, and alkaloids.
8p vispiderman 15-06-2023 2 2 Download
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Macrosolen tricolor (Lec.) Dans. is a traditional medicinal plant and belongs to the family Loranthaceae, which is distributed in Nha Trang, and Phan Rang. This paper describes the isolation, structural elucidation, and cytotoxic activity of compounds from the ethyl acetate extract of the whole plant of M. tricolor (Lec.) Dans.
5p vidoctorstrange 06-05-2023 4 2 Download
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Helicteres family widely distributed from southern China to India, Southeast Asia. There are seven species in Vietnam and described as traditional medicinal plants. The information about the chemical constituents of Helicteres hirsuta in Vietnam has not been fully reported. In present work, we presented the isolation and structural elucidation of four terpenoids (1-4) isolated from Helicteres hirsuta L. which collected from Binh Phuoc province.
5p vidoctorstrange 06-05-2023 8 4 Download
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Phyllanthus Amarus is a medicinal herb widely used in traditional medicine for liver related diseases. Phenolics and antioxidant activity are mainly responsible for the hepatoprotective potential of these plants and are subjects to investigate in this study.
6p vidoctorstrange 06-05-2023 6 2 Download
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Garlic (Allium sativum) and Vietnamese balm (Elsholtzia ciliata) are well-known herbs that have been widely used in Vietnamese traditional medicines. However, studies on the effects of these plants in improving the immune system of fish have received less attention.
12p vicaptainmarvel 21-04-2023 3 2 Download
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In the present study, ethanolic extract of Mesua ferrea L. stamens was investigated for its potential to reverse some features of bronchial asthma in ovalbumin-induced murine model of asthma. Mesua ferrea commonly called nagakeshar (Family, Calophyllaceae) is a well-known antiallergic drug in the Asian folk system of medicines. In the present work, pharmacological studies are done to provide scientific evidence for therapeutic potential of plants in allergic asthma.
13p lyhuyenthu 31-01-2023 4 2 Download
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We report here the improvement of a procedure to obtain global models, able to describe the retention behaviour of several sample components simultaneously. The reported global models include parameters that account for the general effects of column and solvent on retention and are common for all components, whereas other parameters are specific of each sample component.
13p viginny 23-12-2022 11 3 Download