Antioxidant activity and chemical constituents of edible flower of Sophora viciifolia.

Abstract:

:The antioxidant activities of crude extract and its derived soluble fractions from the flower of Sophora viciifolia were evaluated in five different test systems (DPPH, ABTS, FRAP, reducing power and inhibition of lipid peroxidant models) for the first time. The ethylacetate soluble fraction exhibited the highest antioxidant effect. Correlation analysis suggested that the flavonoids might be the major contributors for the high antioxidant activity of this flower. In addition, 11 compounds were isolated from this flower, and the antioxidant capacities of 5 flavonoids were evaluated by DPPH assay. Compound 3 (luteolin) had a significant DPPH radical-scavenging activity, and was also present at the highest concentration (5.56mg/gdrysample), implying an important role of 3 for the antioxidant activity of this flower. The study suggests that the flower of S. viciifolia can provide valuable functional ingredients and can be used for the prevention of diseases related to various oxidant by-products of human metabolism.

journal_name

Food Chem

journal_title

Food chemistry

authors

Tai Z,Cai L,Dai L,Dong L,Wang M,Yang Y,Cao Q,Ding Z

doi

10.1016/j.foodchem.2010.12.048

subject

Has Abstract

pub_date

2011-06-15 00:00:00

pages

1648-54

issue

4

eissn

0308-8146

issn

1873-7072

pii

S0308-8146(10)01669-9

journal_volume

126

pub_type

杂志文章