Isolation, Structural Elucidation of Three New Triterpenoids from the Stems and Leaves of Schisandra chinensis (Turcz) Baill.
نویسندگان
چکیده
منابع مشابه
Eleven new highly oxygenated triterpenoids from the leaves and stems of Schisandra chinensis.
Eleven new triterpenoids, schinchinenins A–H (1–8) and schinchinenlactones A–C (9–11) together with three known triterpenoids, henrischinins A–C (12–14), were isolated from the leaves and stems of Schisandra chinensis by bioassay-guided fractionation. Schinchinenin A (1) is the first example of a highly oxygenated triterpenoid characterized by a 5/5/7/6/5-fused pentacyclic ring and a 3-one-2-ox...
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The fruit of Schisandra chinensis Turcz. (Baill.), namely "Wuweizi" in China, is a well-known herbal medicine and health food. At present, research focused on the extraction of effective chemical component and function identification. Little known about the secondary metabolism gene pathway of chemical composition. Its fruit color usually red, however, the white fruit color variation has been f...
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Cryopreservation has been proven significance as a technique for promising the long-term conservation of plant germplasms. This study aimed to establish a cryopreservation protocol for calli of Schisandra chinensis (Turcz.) Baill, and to explore the effects of different process parameters on callus viability. Effects of desiccation duration, cryoprotectants and cryopreservation methods, thawing...
متن کاملPreparative separation and purification of deoxyschisandrin and gamma-schisandrin from Schisandra chinensis (Turcz.) Baill by high-speed counter-current chromatography.
High-speed counter-current chromatography (HSCCC) was successfully applied to the preparative separation and purification of deoxyschisandrin and gamma-schisandrin from the crude petroleum ether extracts of Schisandra chinensis (Turcz.) Baill. The optimum solvent system composed of n-hexane-methanol-water (35:30:3, v/v) led to the successful preparation of deoxyschisandrin and gamma-schisandrin...
متن کاملChemical constituents from the leaves and stems of Schisandra lancifolia.
A new nortriterpenoid, 20-hydroxymicrandilactone D (1) and a novel lignan glycoside, lancilignanside A (2) were isolated from leaves and stems of Schisandra lancifolia, together with three known nortriterpenoids (3-5) and nine known phenolics (6-14). The structures of new compounds 1 and 2 were determined by detailed analysis of their 1D and 2D NMR spectra, and chemical evidences. In addition, ...
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ژورنال
عنوان ژورنال: Molecules
سال: 2018
ISSN: 1420-3049
DOI: 10.3390/molecules23071624