Determination of major anthocyanin pigments in Hellenic native grape varieties (Vitis vinifera sp.):: Association with antiradical activity

被引：145

作者：

Kallithraka, S

Mohdaly, AAA

Makris, DP

Kefalas, P

机构：

[1] Inst Wine, Natl Agr Res Fdn, Athens 14123, Greece

[2] Mediterranean Agron Inst China, Dept Food Qual Management, Khania 73100, Greece

来源：

JOURNAL OF FOOD COMPOSITION AND ANALYSIS | 2005年 / 18卷 / 05期

关键词：

antioxidants; anthocyanins; antiradical activity; hellenic native grape varieties; HPLC; vitis vinifera;

D O I：

10.1016/j.jfca.2004.02.010

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In order to investigate the anthocyanin content and ascertain whether anthocyanins account for antioxidant activity in grape berry extracts, six prevalent anthocyanins were determined in 13 Hellenic native and four of the so-called "international" varieties widely cultivated in Greece. Anthocyanin content varied from 85.7 to 1914.0 mg kg(-1) fresh berry weight, the mean being 731.7 mg kg(-1). Assessment of the antiradical activity of extracts using the stable 2,2-diphenyl-beta-picrylhydrazyl radical revealed a low and statistically insignificant correlation (r(2) = 0.0724, P > 0.05) with total anthocyanin content, suggesting that other constituents are likely to exert strong antioxidant effects in grapes. (C) 2004 Elsevier Inc. All rights reserved.

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收藏

页码：375 / 386

页数：12

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