Determination of Ascorbic Acid in Common Fruits, Herbal Tea by Using Cuprac and Cerac Methods

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Tarih

2012

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Asian Journal Of Chemistry

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

The method used to determine the ascorbic acid (Vitamin C) is based on the oxidation of ascorbic acid to dehlydroascorbic acid with the cupric ion reducing antioxidant capacity (CUPRAC) and ceric-reducing antioxidant capacity (CERAC) reagent of total antioxidant capacity assay. The antioxidant capacity indicates the degree of protection of a certain organism against oxidative damage provoked by reactive oxygen and nitrogen species. These methods were applied to a number of commercial fruits and blackberry herbal tea. The findings of cupric ion reducing antioxidant capacity method are statistically compared to those of the ceric-reducing antioxidant capacity method, which is a relatively. new one. In addition to this, we were also investigated the kinetic degradation of the ascorbic acid in a certain type of fruit juice.

Açıklama

Anahtar Kelimeler

Ascorbic acid, Ceric-reducing antioxidant capacity, Cupric ion reducing antioxidant capacity, Antioxidant, Kinetics, Total Antioxidant Capacity, Dehydroascorbic Acid, Oxidative Stress, Spectrophotometric Determination, Free-Radicals, Vitamin-C, Accumulation, Transport

Kaynak

Asian Journal of Chemistry

WoS Q Değeri

Q4

Scopus Q Değeri

Q4

Cilt

24

Sayı

6

Künye