Antioxidant activity and total phenolic and flavonoid content of Astragalus squarrosus Bunge

被引：18

作者：

Asgarpanah, Jinous ^{[1
]}

Motamed, Saeed Mohammadi ^{[2
]}

Farzaneh, Avishan ^{[1
]}

Ghanizadeh, Bahareh ^{[1
]}

Tomraee, Simin ^{[2
]}

机构：

[1] Islamic Azad Univ IAU, Pharmaceut Sci Branch, Young Researchers Club YRC, Tehran, Iran

[2] Islamic Azad Univ IAU, Pharmaceut Sci Branch, Dept Pharmacognosy, Tehran, Iran

来源：

AFRICAN JOURNAL OF BIOTECHNOLOGY | 2011年 / 10卷 / 82期

关键词：

Astragalus squarrosus; antioxidant; phenolics; flavonoids;

D O I：

10.5897/AJB11.3073

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The antioxidant capacity of the flowering aerial parts of Astragalus squarrosus was determined by 1,1-diphenyl-2-picrylhydrazyl ( DPPH) radical scavenging and ferric thiocyanate methods. The phenolic and flavonoid content was also measured. A. squarrosus showed weak free radical scavenging activity with the DPPH method which might be due to its low phenolic constituents (23.3 mg/g) and flavonoid content (26.0 mg/g). Results obtained from ferric thiocyanate (FTC) assay revealed that the extract has antioxidative potential for chain-breaking inhibition of lipid peroxidation as it showed 69.0% inhibition when compared with butylated hydroxytoluene (BHT) (78.0% inhibition).

引用

页码：19176 / 19180

页数：5

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