Abstract
The paper presents the results of a technological assessment of red technical grapevine variety of interspecific origin of Armenian breeding Megrabuir, growing in the Don Ampelographic Collection named after Y.I. Potapenko" (Novocherkassk, Rostov region) in 2020–2022. The research was carried out in the laboratory of ampelography and technological assessment of grapevine varieties, in microwinemaking conditions. The weight of one batch of grapes was 5−15 kg. Samples of dry rose and red, as well as rose and red liqueur wines were prepared. The main physical and chemical parameters of must and wine have been determined. They all met the criteria of The National Standards. An organoleptic assessment of wine materials showed that all samples (dry red and rose, and liqueur) had a color characteristic of a certain type of wine, had a bright, complex aroma, with tones of berries, and light shades of flowers and herbs, had a balanced taste, and harmonious composition. Based on the results of the research, conclusions were drawn that the technical grapevine variety Megrabuir is promising for the preparation of various types of wines (dry rose, red, liqueur).
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