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题名: Reaction of hydroxyl radical with phenylpropanoid glycosides from Pedicularis species: A pulse radiolysis study
作者: Wang, PF; Zheng, RL(郑荣梁); Gao, JJ; Jia, ZJ(贾忠建); Wang, WF; Yao, SD; Zhang, JS; Lin, NY
收录类别: SCIE ; PubMed ; MEDLINE ; BIOSIS
出版日期: 1996-04
刊名: SCIENCE IN CHINA SERIES C-LIFE SCIENCES
卷号: 39, 期号:2, 页码:154-158
期刊主办单位: 中国科学院
出版者: SCIENCE CHINA PRESS
出版地: BEIJING
英文摘要: Using pulse radiolysis technique, the reaction between hydroxyl radical and 7 phenylpropanoid glycosides: echinacoside, verbascoside, leucosceptoside A, martynoside, pediculariosides A, M and N which were isolated from Pedicularis were examined. The rate constants of these reactions were determined by transient absorption spectra. All 7 phenylpropanoid glycosides react with hydroxyl radical at high rate constants within (0.97-1.91) x 10(10) L . mol(-1) . s(-1), suggesting that they are effective hydroxyl radical scavengers. The results demonstrate that the numbers of phenolic hydroxyl groups of phenylpropanoid glycosides are directly related to their scavenging activities. The scavenging activities are likely related to o-dihydroxy group of phenylpropanoid glycosides as well.
关键词: phenylpropanoid glycosides ; Pedicularis ; hydroxyl radical ; pulse radiolysis ; rate constant ; scavenging effect
作者部门: LANZHOU UNIV,DEPT BIOL,STATE KEY LAB APPL ORGAN CHEM,LANZHOU 730000,PEOPLES R CHINA ; CHINESE ACAD SCI,SHANGHAI INST NUCL RES,LAB RADIAT CHEM,SHANGHAI 201800,PEOPLES R CHINA
学科分类: Life Sciences & Biomedicine - Other Topics
文章类型: Article
语种: 英语
ISSN号: 1006-9305
WOS记录号: WOS:A1996WA84700005
PM记录号: 8760463
BIOSIS记录号: BCI:BCI199799312288
IR记录号: BCI:BCI199799312288
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/116005
Appears in Collections:生命科学学院_期刊论文

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Recommended Citation:
Wang, PF,Zheng, RL,Gao, JJ,et al. Reaction of hydroxyl radical with phenylpropanoid glycosides from Pedicularis species: A pulse radiolysis study[J]. SCIENCE IN CHINA SERIES C-LIFE SCIENCES,1996,39(2):154-158.
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