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2021, № 91

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Polymorphism aminoasid composition of rice varieties due to drought tolerance

Rice contains antioxidants, minerals, carbohydrates, lipids, vitamins that make it a functional food. The content of antioxidants is ten times higher in black-grain and red-grain rice varieties than in white-grain rice. In terms of protein content, color and white-grain varieties do not differ significantly. The protein composition largely determines the nutritional value and functional properties, as well as the texture and taste characteristics of rice. Although rice contains less protein than many grains, its biological value is highest due to the balanced composition of amino acids. The nutritional value of different varieties of rice varies greatly due to the different amino acid composition. Determination of the amino acid composition was carried out on Kapel 105-M devices. The work used collection samples of rice. The variability was studied and the sources were identified according to the characteristic among the domestic varieties. To create a new generation of varieties with a more balanced amino acid composition, it is necessary both to isolate sourceswith a high content of individual amino acids and those with high characteristics in terms of the content of a complex of amino acids, especially essential ones. Such varieties can be black-grain and red-grain samples: Mulatka, Assol, Mavr.
Keywords: Rice, adaptability, drought, stresses, amino acid composition.
DOI: 10.21515/1999-1703-91-89-94

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Authors:

1. Goncharova Julia Konstantinovna, DSc in Biology, led. scientific. employee, head of the laboratory of genetics and heterotic selection, Federal State Budgetary Scientific Institution " Federal Scientific Center of Rice», LLC "Aratai", Skolkovo, Moscow.
2. Kharitonov Evgeny Mikhailovich, DSc in Sociological, academician RAN, scientific supervisor, Federal State Budgetary Educational Institution of Higher Education “I.T. Trubilin Kuban State Agrarian University”.
3. Gapishko Nadezhda Ivanovna, Junior Researcher, Federal State Budgetary Scientific Institution "Federal Scientific Center of Rice".
4. Bragina Olesya Anatolyevna, Phd in Biology, Federal State Budgetary Scientific Institution "Federal Scientific Center of Rice".