Antioxidant properties of two gallotannins isolated from the leaves of Pistacia weinmannifolia
Zhao, XY; Sun, HD; Hou, AJ; Zhao, QS; Wei, TT; Xin, WJ
2005-08-30
发表期刊BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS
ISSN0304-4165
卷号1725期号:1页码:103-110
摘要Joistacia weinmannifolia J. Poisson ex Franch (Anacardiaccae) is a shrub or arbor widely found in Yunnan province of China and its leaves are used as traditional Chinese medicine by herbalists. The leaves of R weinmannifolia are rich in phenolic compounds, among which two novel gallotannins, Pistafolin A and Pistafolin B, are identified. In the present investigation, the antioxidant efficiency of Pistafolin A and Pistafolin B in preventing lipid, protein and DNA from reactive oxygen species-mediated damage was studied. Both Pistafolin A and Pistafolin B inhibited the peroxyl-radical induced lipid peroxidation Of L-alpha-phosphatidylcholine liposomes dose-dependently and prevented the bovine serum albumin from peroxyl-induced oxidative damage. Pistafolin A and Pistafolin B also inhibited copper (II)-1,10-phenanthroline complex-induced DNA oxidative damage. Both Pistafolin A and Pistafolin B scavenged the hydrophilic 2,2 '-azinobis(3-ethylbenzothiozoline-6-sulphonic acid) diammonium salt-free radicals and the hydrophobic 1,1-dipheny-2-picrylhydrazyl radicals effectively, suggesting they may act as hydrogen donating antioxidants. The protective effects of the two gallotannins against oxidative damage of biomacromolecules were due to their strong free radical scavenging ability. Pistafolin A with three galloyl moieties showed stronger antioxidant ability than Pistafolin B with two galloyl moieties. (c) 2005 Elsevier B.V. All rights reserved.
关键词Pistacia Weinmannifolia Pistafolin a Pistafolin b Gallotannin Antioxidant
学科领域Biochemistry & Molecular Biology ; Biophysics
DOI10.1016/j.bbagen.2005.04.015
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Biophysics
WOS类目Biochemistry & Molecular Biology ; Biophysics
WOS记录号WOS:000231664500012
引用统计
被引频次:36[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/4162
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.Chinese Acad Sci, Inst Biophys, Ctr Struct & Mol Biol, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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Zhao, XY,Sun, HD,Hou, AJ,et al. Antioxidant properties of two gallotannins isolated from the leaves of Pistacia weinmannifolia[J]. BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS,2005,1725(1):103-110.
APA Zhao, XY,Sun, HD,Hou, AJ,Zhao, QS,Wei, TT,&Xin, WJ.(2005).Antioxidant properties of two gallotannins isolated from the leaves of Pistacia weinmannifolia.BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS,1725(1),103-110.
MLA Zhao, XY,et al."Antioxidant properties of two gallotannins isolated from the leaves of Pistacia weinmannifolia".BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS 1725.1(2005):103-110.
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