Antioxidant principles from Ephemerantha lonchophylla

被引:34
作者
Chen, HY
Shiao, MS
Huang, YL
Shen, CC
Lin, YL
Kuo, YH
Chen, CC
机构
[1] Natl Res Inst Chinese Med, Taipei, Taiwan
[2] Vet Gen Hosp, Dept Med Res & Educ, Taipei, Taiwan
[3] Natl Taiwan Univ, Dept Chem, Taipei 10764, Taiwan
来源
JOURNAL OF NATURAL PRODUCTS | 1999年 / 62卷 / 09期
关键词
D O I
10.1021/np990025f
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
One dihydrostilbene and three phenanthrene antioxidants were isolated from an ethanolic extract of the Chinese herbal Ephemerantha lonchophylla. One of these compounds, ephemeranthone (4) is a new natural product. Denbinobin (1) and 3-methylgigantol (3) have been previously isolated from this plant, and 3-ethoxy-5-hydroxy-7-methoxy-1,4-phenanthraquinone (2) is an artifact. The structures of these compounds were determined by spectroscopic analysis. The antioxidative activities for inhibiting human low density Lipoprotein oxidation in vitro of compounds 1-4 were determined, and only 4 was active (5.3 times that of probucol).
引用
收藏
页码:1225 / 1227
页数:3
相关论文
共 16 条
[1]   Interaction of transresveratrol with plasma lipoproteins [J].
Belguendouz, L ;
Frémont, L ;
Gozzelino, MT .
BIOCHEMICAL PHARMACOLOGY, 1998, 55 (06) :811-816
[2]   ANTIPLATELET AGGREGATION PRINCIPLES OF DENDROBIUM-LODDIGESII [J].
CHEN, CC ;
WU, LG ;
KO, FN ;
TENG, CM .
JOURNAL OF NATURAL PRODUCTS, 1994, 57 (09) :1271-1274
[3]  
CHIANG BN, 1994, J INT MED ROC, V5, P319
[4]  
*CHIANG SU NEW MED, 1977, DICT CHIN CRUD DRUGS, P586
[5]   AN IMPROVED AND SIMPLE METHOD FOR DETERMINING DIENE CONJUGATION IN AUTOXIDIZED POLY-UNSATURATED FATTY-ACIDS [J].
CORONGIU, FP ;
MILIA, A .
CHEMICO-BIOLOGICAL INTERACTIONS, 1983, 44 (03) :289-297
[6]  
Goldberg DM, 1996, CLIN CHEM, V42, P113
[7]   DISTRIBUTION AND CHEMICAL COMPOSITION OF ULTRACENTRIFUGALLY SEPARATED LIPOPROTEINS IN HUMAN SERUM [J].
HAVEL, RJ ;
EDER, HA ;
BRAGDON, JH .
JOURNAL OF CLINICAL INVESTIGATION, 1955, 34 (09) :1345-1353
[8]   LIPOPROTEIN OXIDATION AND GENE-EXPRESSION IN THE ARTERY WALL - NEW OPPORTUNITIES FOR PHARMACOLOGICAL INTERVENTION IN ATHEROSCLEROSIS [J].
LUSIS, AJ ;
NAVAB, M .
BIOCHEMICAL PHARMACOLOGY, 1993, 46 (12) :2119-2126
[9]  
Mackness M. I., 1992, LIPOPROTEIN ANAL PRA, P1
[10]   ANTIOXIDANT ACTIVITY OF PROBUCOL AND ITS ANALOGS IN HYPERCHOLESTEROLEMIC WATANABE RABBITS [J].
MAO, SJT ;
YATES, MT ;
RECHTIN, AE ;
JACKSON, RL ;
VANSICKLE, WA .
JOURNAL OF MEDICINAL CHEMISTRY, 1991, 34 (01) :298-302