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Seasonal differences of biochemical composition of mountain ash (Sorbus aucuparia L.) fruits at introduction to Belarus

Abstract

The article presents the results of a of a two-year comparative study of fruits biochemical composition of the natural shape and 5 of introduced varieties of mountain ash – ‘Alaya krupnaya’, ‘Dessertnaya’, ‘Burka’, ‘Granatnaya’ and ‘Rosina’ from the collections of CBG NASB and RUE ‘Institute for Fruit Growing’.

There is found the significant dependence of nutritional and vitamin value of fruits on hydrothermal regime of the season, the extent of which is determined by the genotype of plants and the chemical nature of the organic compounds. It is shown that the prevalence of hot and dry weather during fruit ripening of mountain ash helps to activate the accumulation of these solids content, phenolcarbonic acids, soluble sugars, pectin and tannins, anthocyanin pigments, as well as improving the organoleptic properties and an increase in the overall yield of P-vitamins on background of inhibition of the biosynthesis of organic free ascorbic acid and controversial changes in the content of flavonols and catechins.

For citations:


Rupasova Zh.A., Garanovich I.M., Shpitalnaya T.V., Vasilevskaya T.I., Krinitskaya N.B., Tishkovskaya E.V., Pinchukova Yu.M., Frolova L.V., Murashkevich L.A., Titok V.V. Seasonal differences of biochemical composition of mountain ash (Sorbus aucuparia L.) fruits at introduction to Belarus. Fruit Growing. 2016;28(1):227-236. (In Russ.)

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ISSN 0134-9759 (Print)