Document Detail

Triterpene Acids from Euscaphis japonica and Assessment of Their Cytotoxic and Anti-NO Activities.
MedLine Citation:
PMID:  22814889     Owner:  NLM     Status:  Publisher    
Six new triterpenoids, euscaphic acids G-L (1-6), along with nine known triterpene acids, and two known lignans were isolated from the ethanolic extract of the twigs of Euscaphis japonica. This is the first report concerning 1α,3β-dihydroxy-12-oleanen-28-oic acid isolated from a natural source. The structures of the new compounds were established by spectroscopic analysis. The cytotoxic and anti-NO production activities for the isolates are also evaluated and discussed; compound 1, hederagenin (11), and arjunic acid (12) showed significant cytotoxicity against NCI-H460 cells, HT-29 cells, and CEM cells (IC50 = 1.64 ± 0.87, 2.11 ± 1.54, 1.73 ± 0.64 µM, respectively). Some of the isolated triterpenoids showed marginal inhibitions on NO production induced by LPS.
Li-Jie Zhang; Jing-Jy Cheng; Chia-Ching Liao; Hui-Ling Cheng; Hung-Tse Huang; Li-Ming Yang Kuo; Yao-Haur Kuo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-19
Journal Detail:
Title:  Planta medica     Volume:  -     ISSN:  1439-0221     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0066751     Medline TA:  Planta Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Georg Thieme Verlag KG Stuttgart · New York.
National Research Institute of Chinese Medicine, Taipei, Taiwan.
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