A detailed study on the antioxidant activity of the stem bark of Dalbergia sissoo Roxb., an Indian medicinal plant

被引：57

作者：

Roy, Nayan ^{[1
]}

Laskar, Rajibul Arif ^{[1
]}

Sk, Ismail ^{[1
]}

Kumari, Deepa ^{[1
]}

Ghosh, Tirthankar ^{[2
]}

Begum, Naznin Ara ^{[1
]}

机构：

[1] Visva Bharati Univ, Dept Chem, Bioorgan Chem Lab, Santini Ketan 731235, W Bengal, India

[2] Visva Bharati Univ, Dept Stat, Santini Ketan 731235, W Bengal, India

来源：

FOOD CHEMISTRY | 2011年 / 126卷 / 03期

关键词：

Antioxidant activity; Dalbergia sissoo; Stems bark; Reducing power; Chelating activity; DPPH; Au nanoparticle; NITRIC-OXIDE; EXTRACTS; FLAVONOIDS;

D O I：

10.1016/j.foodchem.2010.11.143

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A detailed study was performed on the antioxidant activity of the aqueous and methanol extracts (AED and MED respectively) of the stem bark of the plant, Dalbergia sissoo Roxb. (Fam. Fabaceae), also known as Indian Rosewood. The antioxidant activity of the extracts was measured by in vitro chemical analyses involving the assays of (1) 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity (2) ferric ion reducing power (3) ferrous ion chelating activity and (4) Au nanoparticle formation potential. A simplified method was developed based on Au nanoparticles formation to assess the antioxidant activity of any plant extract, and was used for the first time to assay the antioxidant activity of AED and MED. In all the assays, AED showed significantly greater activity over MED. This work provides a scientific support for the high antioxidant activity of this plant and thus it may find potential applications in the treatment of the diseases caused by ROS. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1115 / 1121

页数：7

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