Abstract

APPLES FROM VARIETY GOLDEN DELICIOUS, RED DELICIOUS, GREY-SMITH – AN ANTIOXIDANT CHARACTERISTICS

Stoyan Papanov, Ekaterina Petkova, Stefka Ivanova, Danka Obreshkova,
Valentina Petkova*

ABSTRACT

The apple is among the best fruit foods for human, widely used from all societies. This is due to its diverse chemical composition. The phytonutrient content of apple does not change notably throughout the period of their storage.That is why the aim of this study is to establishe the antioxidant properties of apples from variety Grey Smith, Golden and Red Delicious, distributed in Bulgaria.The scientific methods applied include systematic approach and critical analysis of the available scientific periodicals; mathematical and statistical methods and technical analysis / spectrophotometric method.The esukts showthat the apples combine flavonoids, fiber and antioxidants intounique and incomparable way. We determine the antioxidant activity by the difference of absorption of the control sample and the sample with the corresponding apple juice.The studied varieties of apples can be arranged according their antioxidant activity as follows: Grey smith, Golden Delicious(Ognyanovo), Golden Delicious (Katunitza), Red Delicious.

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