Antioxidant activity and phenolic contents of ajwain, mustard, fenugreek and poppy seed

被引：9

作者：

Ishtiaque, Shagufta ^{[1
]}

Naz, Shahina ^{[2
]}

Siddiqi, Rahmanullah ^{[2
]}

Jabeen, Suraiya ^{[3
]}

Ahmed, Jawad ^{[4
]}

机构：

[1] Department of Chemical Engineering, University of Karachi, Karachi

[2] Department of Food Science & Technology, University of Karachi, Karachi

[3] Institute of Environmental Science, University of Karachi, Karachi

[4] Department of Food Engineering, NED University of Engineering and Technology, Karachi

来源：

Recent Innovations in Chemical Engineering | 2014年 / 7卷 / 02期

关键词：

Antioxidant activity; Chelating effect; DPPH; Phenolics content; Polyphenols; Seeds;

D O I：

10.2174/2405520407666150425004125

中图分类号：

学科分类号：

摘要：

This study was conducted to identify and compare natural antioxidant based plant sources. Polyphenols are the main constituents of the natural antioxidants obtained from fruits, leaves, and seeds etc. In this work, four types of seeds from Trachyspermum ammi (Ajwain), Brassica alba (Mustard), Trigonella foenum graecum (Fenugreek) and Papaver somniferum (Poppy) were selected and their extracts were tested for antioxidant activity (AOA) by 2,2-diphenyl-1-picrylhydrazyl (DPPH) and chelating methods. Total phenolic contents were found in the range of 1015-6900 mg/100 g (p<0.5). Antioxidant activity by DPPH radical scavenging and chelating methods was found to be in the range of 44-95% and 33-77% (p<0.5), respectively. This study revealed that T.ammi is a potent source of natural antioxidant and can be used to replace synthetic antioxidant. However mustard, fenugreek and poppy have also proved to be the potential sources of phenolics. © 2014 Bentham Science Publishers

引用

页码：119 / 127

页数：8

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