Results 161 to 170 of about 3,164 (224)

Sub-functionalization and epigenetic regulation of a biosynthetic gene cluster in Solanaceae

Priego-Cubero S, Knoch E, Wang Z, Alseekh S, Braun K, Chapman P, Fernie A, Liu C, Becker C.   +8 more
europepmc   +1 more source

Withanolide Z, a New Chlorinated Withanolide fromWithania somnifera [PDF]

Planta Medica, 2008
Reverse-phase preparative HPLC analysis of the n-butanol fraction of the methanolic extract of Withania somnifera Dunal (leaves) afforded a novel chlorinated withanolide, namely withanolide Z (1), along with four known withanolides, withanolide B (2), withanolide A (3), 27-hydroxywithanolide B (4) and withaferin A (5).
Swapan, Pramanick, Amit, Roy, Shekher, Ghosh, Hemanta K, Majumder, Sibabrata, Mukhopadhyay   +4 more
openaire   +3 more sources

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Natural withanolides, an update

Natural Product Reports, 2022
This review summarizes the research progress on the structural classification, biological activities and mechanisms, metabolism and pharmacokinetic investigations, biosynthesis, and synthesis and structural modifications of the withanolides.
Gui-yang Xia, Shi-jie Cao, Li-xia Chen, Feng Qiu   +3 more
openaire   +2 more sources

Withanolides from Discopodium penninervium

Fitoterapia, 2023
Discopodium penninervium is a medicinal plant endemic to Ethiopia. Its twigs extract led to the isolation of three new withanolides, discopodinolides A - C, and four known analogues. The structures of the compounds were elucidated using NMR, HRMS data analyses, and literature data.
Kibrom Gebreheiwot, Bedane, Mekonnen Abebayehu, Desta, Peter, Spiteller   +2 more
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Natural withanolides: an overview

Natural Product Reports, 2011
Withanolides are a group of naturally occurring C28 steroids built on an ergostane skeleton functionalized at carbons 1, 22 and 26, commonly known as the withanolide skeleton. Over the period of August 1996 to March 2010, 360 new naturally occurring withanolides were isolated and identified.
Li-Xia, Chen, Hao, He, Feng, Qiu
openaire   +2 more sources

Trypanocidal Withanolides and Withanolide Glycosides from Dunalia brachyacantha

Journal of Natural Products, 2001
Two new withanolide glycosides, (20R,22R)-O-(3)-alpha-L-rhamnopyranosyl(1-->4)-beta-D-glucopyranosyl-1 alpha,12 beta-diacetoxy-20-hydroxywitha-5,24-dienolide (3) and (20R,22R)-O-(3)-beta-D-xylopyranosyl(1-->3)-[beta-D-xylopyranosyl(1-->4)]-beta-D-glucopyranosyl-1 alpha-acetoxy-12 beta,20-dihydroxywitha-5,24-dienolide (4), were isolated from the leaves ...
J A, Bravo B, M, Sauvain, A, Gimenez T, E, Balanza, L, Serani, O, Laprévote, G, Massiot, C, Lavaud   +7 more
openaire   +2 more sources