COMPREHENSIVE QUALITY ASSESSMENT OF TOMATOES, PRODUCED IN KALININGRAD REGION
The results of the comprehensive quality analysis of tomato hybrids F1 Tomimaru Muchoo and Rosario produced in the Kaliningrad region in high-tech industrial greenhouses are given in this paper. Integral quality assessment according to GOST standard 34298-2017 «Fresh tomatoes. Specifications» is given, morphometric parameters, visually diagnosed characteristics, biochemical parameters (pigments - chlorophyll and carotenoid, different carbohydrate fractions, organic acids), cell membranes state, and taste of fresh tomatoes is evaluated. It has been found out that tomatoes produced in the region correspond to the highest grade. At that their size and weight exceed the standard values of the specified hybrids. Tomatoes supplied to the regional market are in the phase of full maturity. According to the relative electrolyte output fairly high fruit cell membranes permeability indicating the impossibility of long-term fruit storage was revealed. Although tomatoes are characterized by a low (less than 1) sugar-acid index due to their low sugar content, during the tasting they received high grade: Tomimaru Muchoo - 4.5±1.2, Rosario - 4.3±1.6 points out of 5 possible. The results obtained indicate high-quality, well-standardized and calibrated tomatoes, corresponding to the taste preferences of the people in Kaliningrad region.