QUALITATIVE ASSESSMENT OF GRAPE VARIETIES GROWN IN THE CONDITIONS OF BELARUS FOR THE SUITABILITY OF GRAPE BERRIES FOR FREEZING

Abstract

Suitability of grape varieties grown in Belarus for freezing grape berries was assessed in the Department of storage and processing of RUE “Institute of Fruit Growing”. The objects of research include 9 varieties of grapes (Agat Donskoy, Alfa, Bianca, Kristall, Marshal Foch, Platovsky, Plenitel, Samantha, Bluebell) grown in the Department of Fruit Crops Breeding of the RUE “Institute of Fruit Growing”. The article presents the results of an organoleptic evaluation of fresh and frozen after defrosting varieties in terms of appearance, color, texture, aroma, taste. The evaluation found that berries of the examined grape varieties are suitable for freezing and storage for 6 months with minor losses of original characteristics. At the same time, the Alpha and Samanta grape varieties are assigned to the group of varieties with a very good juice-retaining capacity (up to 5.0 %), the Agat Donskoy, Bianka, Crystal, Marshal Foch, Platovsky, Plenitel and Bluebell varieties have been classified as a group of varieties with good juice-retaining capacity (from 5.1 to 10.0 %).