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BIOCHEMICAL COMPOSITION AND ORGANOLEPTIC EVALUATION OF FRUIT JONAGOLD CLONES UKRAINIAN SELECTION UNDER THE CONDITIONS OF PODILLYA

Author(s) Tarnavska K. P. , Junior researcher, , Podillya Research Station of Horticultural Institute NAAS
Category Primary processing of crop products
year 2017 issue №2,2017
pages 76-80 index UDK 634.11:631.526.32
DOI
Abstract The results of analysis of biochemical composition and taste qualities of fruits of 20 clones of Jonagold in the conditions of Podillya are presented. Researches during 2013-2015 found that the most dry soluble substances (DSS) are found in the fruits of the clone DP-9 (13,79±0,52%). The highest amount of titrated acids accumulates the fruits of clones DP-2, DP-3 and DP-8 (0,50±0,25 - 0,51±0,11%). Apples of all spontaneous clones and the original variety of Jonagold contain a small amount of ascorbic acid – 5,8 – 9,3 mg / 100 g of crude mass. The ratio of sugars and acids in apple clones of Jonagold during the period of biological ripeness was 16,7±3,48 – 24,4±6,13 and described them as fruits of dessert purpose. Fruit tasting showed that apple clones DP-3, DP-8, DP-13, DP-14, DP-17 and DP-20 have excellent taste and attractive appearance and can be recommended for fresh use
Key words spontaneous clones of Jonagold, fruits, consumer maturity, biochemical composition, dry soluble substances, organic acids, ascorbic acid, sugars, fruit tasting
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