Antioxidant and Stabilization Activity of a Quercetin-Containing Flavonoid Extract Obtained from Bulgarian Sophora japonica L.

被引：26

作者：

Mihaylova, Dasha ^{[1
]}

Schalow, Sebastian ^{[2
]}

机构：

[1] Univ Food Technol, Dept Biotechnol, Plovdiv 4002, Bulgaria

[2] Humboldt Univ, Inst Agr & Urban Ecol Projects, D-10115 Berlin, Germany

来源：

BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY | 2013年 / 56卷 / 03期

关键词：

Sophora japonica L; antioxidant activity; stabilization activity; Rancimat method; LIPID OXIDATION; ESSENTIAL OIL; CAPACITY; GLYCOSIDES; ASSAY;

D O I：

10.1590/S1516-89132013000300011

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

This work aimed to study the antioxidant activity of a quercetin-containing flavonoid extract (QFE) obtained from Sophora japonica L. flower buds rich in quercetin (91.6%). Radical scavenging activity was analyzed towards the synthetic radicals DPPH. and ABTS(.+) and antioxidant activity was evaluated applying the method of oxygen consumption in a model system containing methyl linoleate. Model food systems of lard and sunflower oil were explored by the application of Rancimat method and chicken as a real food system was investigated by the thiobarbituric acid test. Results showed a high radical scavenging activity and antioxidant capacity of QFE similar to those of the pure flavonoid quercetin.

引用

页码：431 / 438

页数：8

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