نتایج جستجو برای: cycloartane triterpenoids

تعداد نتایج: 1871  

Journal: :Fitoterapia 2014
Li-Ying Liu Hui Chen Chao Liu Hong-Qing Wang Jie Kang Yan Li Ruo-Yun Chen

Five new lanostane triterpenoids, ganoderic acid XL1 (1), ganoderic acid XL2 (2), 20-hydroxy-ganoderic acid AM1 (3), ganoderenic acid AM1 (4) and ganoderesin C (5), together with five known triterpenoids (6-10) were isolated from the fruiting bodies of Ganoderma theaecolum. Chemical structures were elucidated on the basis of spectroscopic evidence, including 1D, 2D NMR, mass spectrometric data ...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2003
Farid A Badria Botros R Mikhaeil Galal T Maatooq Mohamed M A Amer

The immunomodulatory bioassay-guided fractionation of the oleogum resin of frankincense (Boswellia carterii Birdwood) resulted in the isolation and identification of 9 compounds; palmitic acid and eight triterpenoids belonging to lupane, ursane, oleanane, and tirucallane skeleta were isolated form the resin. These triterpenoids are lupeol, beta-boswellic acid, 11-keto-beta-boswellic acid, acety...

Journal: :Molecules 2011
Hai-Xue Kuang Hong-Wei Li Qiu-Hong Wang Bing-You Yang Zhi-Bin Wang Yong-Gang Xia

The ethyl acetate soluble fraction from the roots of Sanguisorba tenuifolia was found to have a hypoglucemic effect in alloxan-induced diabetic rats. Two new triterpenoids, identified as 2-oxo-3β,19α-dihydroxyolean-12-en-28-oic acid β-D-gluco-pyranosyl ester (1) and 2α,19α-dihydroxy-3-oxo-12-ursen-28-oic acid β-D-glucopyranosyl ester (4) were isolated from this fraction, along with thirteen kno...

Journal: :YAKUGAKU ZASSHI 1958

Journal: :YAKUGAKU ZASSHI 1953

Journal: :Chemical and Pharmaceutical Bulletin 1972

Journal: :Fitoterapia 2013
Meng-ya Lu Zhi-xin Liao Lan-ju Ji Hong-fa Sun

A phytochemical study of the ethanolic extract of Chrysosplenium carnosum Hook. f. et Thoms. led to the isolation of two new oleanane-type triterpenoids, 6β-hydroxy-3-oxoolean-12-en-27-oic acid (1) and 3β, 21α-dihydroxyolean-12-en-27-oic acid (2), along with fourteen known compounds (3-16), all of which were isolated from this plant for the first time. The structures of these compounds were est...

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