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 and circular dichroism spectra. Compounds 1, 4, 5, 8, 9 and 10 (10 μM) exhibited hepatoprotective activities against DL-galactosamine-induced cell damage in HL-7702 cells.
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Chemical Components of Ganoderma.
Adv Exp Med Biol
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Department of Natural Product Chemistry, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
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Fitoterapia
March 2018
State Key Laboratory of Phytochemistry and Plant Resources in West China, Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, PR China; Guangdong Key Laboratory for Genome Stability & Disease Prevention, School of Pharmaceutical Sciences, School of Medicine, Shenzhen University Health Science Center, Shenzhen 518060, PR China; Henan University of Chinese Medicine, Zhengzhou 450008, PR China. Electronic address:
A series of new terminal cyclohexane-type meroterpenoids, ganotheaecoloids A-N (1-6, 8-13, 15, and 16), along with three known ones (7, 14, and 17), were isolated from the dried fruiting bodies of Ganoderma theaecolum. Their chemical structures were identified by using spectroscopic data and computational methods. Biological activity of all the new meroterpenoids against COX-2 was evaluated in vitro, only ganotheaecoloid J (11) was found to have COX-2 inhibitory activity with IC value of 9.
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September 2017
a State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica , Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050 , China.
Three new triterpenoids (1-3), together with four known triterpenoids (4-7), were isolated from the fruiting bodies of Ganoderma theaecolum. Their structures were elucidated on the basis of their spectroscopic data and chemical evidence. Compounds 4 and 6 exhibited antitumor activities against H460 cells with IC values of 22.
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Org Lett
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University of Chinese Academy of Sciences, Beijing 100049, P.R. China.
Ganotheaecolin A (1), a novel ergosterol with a rare naphtho[1,8-ef]azulene ring system, was isolated from the fruiting bodies of Ganoderma theaecolum. Its structure was determined by spectroscopic data and computational methods. Compound 1 represents a 6/6/7/5-fused carbon skeletal ergosterol typically formed by Wagner-Meerwein rearrangement, whose plausible biosynthetic pathway was briefly discussed.
View Article and Find Full Text PDF[Triterpenoids from Ganoderma theaecolum].
Zhongguo Zhong Yao Za Zhi
March 2016
State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
Fifteenlanostane triterpenoids were isolated from the ethanol extract of Ganoderma theaecolum by means of preparative HPLC,column chromatography over silica gel,ODS and were identified as lucidone C(1),lucidone D(2),7-oxo-ganoderic acid Z2(3),7-oxo-ganoderic acid Z(4),ganoderenicacid H(5),ganoderenic acid B(6),3β,7β-dihydroyl-11,15,23-trioxo-lanost-8,16-dien-26-oic acid(7),3β,7β-dihydroyl-11,15,23-trioxo-lanost-8,16-dien-26-oic acid methyl ester(8),ganolucidic acid B(9),ganolucidate F(10),methyl ganoderate C2(11),ganoderic acid ζ(12),ganoderic acid AP3(13),methyl ganoderate B(14),and ganoderol B(15). Compounds 1-15 were isolated from this specie for the first time.
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