Two new flavanone glycosides of Jasminum lanceolarium and their anti-oxidant activities

被引：30
|
作者：
Sun, Jia-Ming
Yang, Jun-Shan [1 ]
Zhang, Hui
机构：
[1] Chinese Acad Med Sci, Inst Med Plant Dev, Beijing 100094, Peoples R China
[2] Peking Union Med coll, Beijing 100094, Peoples R China
[3] Changchun Univ Tradit Chinese Med, Changchun 130117, Peoples R China
来源：
CHEMICAL & PHARMACEUTICAL BULLETIN | 2007年 / 55卷 / 03期
关键词：
Jasminum lanceolarium; flavanone glycoside; antioxidative activity;
D O I：
10.1248/cpb.55.474
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
Two new flavanone glucosides, (2S)-5,7,3',5'-tetrahydroxy-flavanone 7-O-beta-D-allopyranoside (1) and (2S)-5,7,3',5'-tetrahydroxy-flavanone 7-O-beta-D-glucopyranosie (2) were isolated from the stems and leaves of Jasminum lanceolarium, along with five known compounds: Betulinaldehyde (3), betulinic acid (4), betulin (5), syringin (6) and Liriodendrin (7). Their structures were determined on the basis of spectroscopic and chemical methods. The isolated compounds were screened for their in vitro antioxidant activity through DPPH (1,1-diphenyl-2-picrylhydrazyl) radical scavenging assay. Compounds 2 demonstrated significant radical scavenging activity.
引用
收藏
页码：474 / 476
页数：3
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