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Variation of active constituents and antioxidant activity in pyrola [P. incarnata Fisch.] from different sites in Northeast China.

Abstract：

:The variation of antioxidant activity and active components in pyrola [Passiflora incarnata Fisch.] from eight sites in Northeast China were investigated. Total phenolic and flavonoid contents were determined and varied within the range of 39.66-181.48 mg/g and 2.47-22.11 mg/g, respectively. Antioxidant activities were determined by scavenging activity against DPPH and ABTS, by a reducing power test and by a β-carotene-linoleic acid bleaching test. The IC50 of Tahe samples determined by the DPPH test was 0.106±0.006 mg/mL which was very close to that of Vc (0.076±0.004 mg/mL). The Tahe samples had good antioxidant activity. Principal component activity analysis indicated that the Tahe samples of P. incarnata had the highest potential antioxidant properties, and may be a valuable antioxidant natural resource in the northeast of China.

journal_name

Food Chem

journal_title

Food chemistry

authors

Zhang DY,Luo M,Wang W,Zhao CJ,Gu CB,Zu YG,Fu YJ,Yao XH,Duan MH

doi

10.1016/j.foodchem.2013.05.045

subject

Has Abstract

pub_date

2013-12-01 00:00:00

pages

2213-9

issue

3

eissn

0308-8146

issn

1873-7072

pii

S0308-8146(13)00628-6

journal_volume

141

pub_type

杂志文章

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