Antioxidant activity and total phenolic, organic acid and sugar content in commercial pomegranate juices

被引：283

作者：

Tezcan, Filiz ^{[1
]}

Gultekin-Ozguven, Mine ^{[2
]}

Diken, Tugba ^{[1
,2
]}

Ozcelik, Beraat ^{[2
]}

Erim, F. Bedia ^{[1
]}

机构：

[1] Istanbul Tech Univ, Dept Chem, TR-34469 Istanbul, Turkey

[2] Istanbul Tech Univ, Dept Food Engn, TR-34469 Istanbul, Turkey

来源：

FOOD CHEMISTRY | 2009年 / 115卷 / 03期

关键词：

Pomegranate; Organic acids; Sugars; Antioxidant capacity; Adulteration; Capillary electrophoresis; CAPILLARY-ELECTROPHORESIS; PROSTATE-CANCER; APPLE JUICE; CONSUMPTION; FRUIT; MICE; BEVERAGES; EXTRACT; DISEASE; GROWTH;

D O I：

10.1016/j.foodchem.2008.12.103

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Pomegranate fruit and pomegranate juices (PJs) have taken great attention for their health benefits in the last years. The purpose of this study is to analyse the antioxidant activities, along with the organic acid and sugar contents of pomegranate juices sold in the Turkish markets. In the present study, we evaluated total phenolics (TPs), free radical scavenging capacity by 2,2-diphenyl-1-picrylhydrazyl (DPPH), and ferric reducing capacity of seven commercial PJs. Organic acid and sugar contents of juices were determined by capillary zone electrophoresis. The results showed that commercial pomegranate juices had markedly high total phenolic contents and antioxidant capacity. Fructose (F) and glucose (G) were found as the major sugars. The major acids were citric and malic. From the F/G ratio, organic acid profiles, TPs, and antioxidant capacity values, a possible adulteration was detected in one of the juices. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：873 / 877

页数：5

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