iridoid/hymenoxys rusbyi

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Preparative isolation and purification of iridoid glycosides from Fructus Corni by high-speed countercurrent chromatography.

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Using a two-phase solvent system composed of dichloromethane-methanol-n-butanol-water-acetic acid (5:5:3:4:0.1, v/v/v/v/v), high-speed countercurrent chromatography was successfully performed for isolation and purification of three iridoid glycosides from Fructus Corni for the first time. From 100

Antioxidant activity, acetylcholinesterase inhibition, iridoid content and mutagenic evaluation of Leucosidea sericea.

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Leucosidea sericea is an important medicinal plant widely used in traditional medicine in southern Africa. Leaf and stem petroleum ether (PE), dichloromethane (DCM) and 50% aqueous methanol (MeOH) extracts were investigated for antioxidant and acetylcholinesterase inhibitory activities. The safety

Iridoids from Gardenia jasminoides.

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The dichloromethane extract of the air-dried flowers of Gardenia jasminoides Ellis. afforded a new iridoid natural product (1), and a diastereomeric mixture of two new iridoids (2a and 2b) in a 2 : 1 ratio. Their structures were elucidated by extensive 1D and 2D NMR spectroscopy. Antimicrobial tests

Antiplasmodial activity of Heinsia crinita (Rubiaceae) and identification of new iridoids.

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BACKGROUND Heinsia crinita is used in traditional medicine for the treatment of febrile illness and erectile dysfunction. Its stem bark powder is found in some peripheral markets in the Democratic Republic of the Congo (DRC) as a remedy against malaria. Investigations were conducted on crude

Beneficial effects of Ajuga chamaepitys (L.) Schreber subsp. chia (Schreber) and its iridoids on the colitis model: Histopathological and biochemical evidence

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In Turkish folk medicine, aerial parts of Ajuga chamaepitys (L.) Schreber subsp. chia (Schreber) are used for the treatment of diarrhea. The crude methanolic extract of aerial parts of A. chamaepitys subsp. chia was sequentially fractionated into five subextracts; n-hexane, dichloromethane, ethyl

Evaluation of Various Biological Activities of the Aerial Parts of Scrophularia frigida Growing in Iran.

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The current study was assigned to evaluate the total phenol, total flavonoid content (TPC, TFC) and antioxidant properties of extracts from the aerial parts of Scrophularia frigida (S. frigida). Extracts were also tested by preliminary phytochemical screening as well as cytotoxic activity against

Biological Activity and Isolation of Compounds from Stem Bark of Plumeria acutifolia.

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UNASSIGNED Plumeria acutifolia (Apocynaceae) is an ornamental plant, used in the traditional medicine and known to have a variety of constituents as alkaloids, flavonoids, and iridoids. Extracts of this plant were proved to have antimicrobial and anticancer activities. UNASSIGNED This research was

1H NMR-based metabolomics of antimalarial plant species traditionally used by Vha-Venda people in Limpopo Province, South Africa and isolation of antiplasmodial compounds.

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BACKGROUND The Vha-Venda people living in rural areas of Limpopo Province of South Africa regularly use traditional plant-based medicines to treat malaria. In our earlier publication, twenty indigenous plant species used to treat malaria or its symptoms by Vha-Venda people were evaluated for

NOx-, IL-1β-, TNF-α-, and IL-6-Inhibiting Effects and Trypanocidal Activity of Banana (Musa acuminata) Bracts and Flowers: UPLC-HRESI-MS Detection of Phenylpropanoid Sucrose Esters.

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Banana inflorescences are a byproduct of banana cultivation consumed in various regions of Brazil as a non-conventional food. This byproduct represents an alternative food supply that can contribute to the resolution of nutritional problems and hunger. This product is also used in Asia as a

Constituents of Kenyan Gardenia volkensii.

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A new triterpenoid, 3-oxo-22alpha-hydroxy-olean-12-en-28-oic acid (1), oleanolic acid (2) and a known iridoid, 10-hydroxy-1-oxo-7-iriden-11-oic acid methyl ester (3) have been isolated from the dichloromethane extract of the dried seeds of Gardenia volkensii. Their structures were established by 1D

Antioxidant activities of Lampaya medicinalis extracts and their main chemical constituents.

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BACKGROUND Lampaya medicinalis Phil. (Verbenaceae) is a plant used by Aymara and Quechua ethnic groups from Northern Chile as folk medicine in the treatment and cure of various diseases. The aim of this study was to investigate the in vitro antioxidant activity, total phenols content, total

Antimicrobial and antioxidant activities of the various extracts of Verbascum pinetorum Boiss. O. Kuntze (Scrophulariaceae).

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OBJECTIVE The present study was performed to evaluate the in vitro antimicrobial and antioxidant properties of various extracts of Verbascum (V.) pinetorum, a member of Scrophulariaceae family. While the antimicrobial activity of various extracts of V. pinetorum was determined with agar-well

Acetylcholinesterase inhibition, antioxidant, antiinflammatory, antimicrobial and phytochemical properties of Huernia hystrix.

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Huernia species are typical famine-food plants consumed in southern Ethiopia. H. hystrix is a heavily exploited ethnomedicinal succulent plant traded in traditional medicine systems especially on South Africa's eastern seaboard. This study investigated the acetylcholinesterase (AChE) inhibition,

In vitro anti-hypertensive activity of Jasminum grandiflorum subsp. floribundum (Oleaceae) in relation to its metabolite profile as revealed via UPLC-HRMS analysis

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Jasminum is an important genus in the olive family (Oleaceae), comprising about 200 species distributed all over the world. In the current study, the methanolic extract of Jasminum grandiflorum subsp. floribundum aerial parts and its respective fractions; dichloromethane and n-butanol fractions were

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