PHENOL COMPLEX OF FRUITS OF INTRODUCED SPECIES OF THE ACTINIDIACEAE FAMILY IN CONDITIONS OF BELARUS

The article presents results of a comparative study of the content of main groups of bioflavonoids and tannins in fruits of the wild form and 5 sorts of Actinidia arguta – Kievskaya krupnoplodnaya, Kievskaya hybridnaya, Lasunka, Purpurnaya sadovaya and Sentyabrskaya, as well as the wild form and 8 sorts of Actinidia kolomikta – Prevoskhodnaya, Aromatnaya, Dostoynaya, Odnodomnaya, Sentyabrskaya, VIR-1, Vafelnaya and Botanicheskaya. It has been shown that a characteristic feature of the bioflavonoid complex of fruits of both the species was absence of true anthocyanins in its composition with leucoanthocyanins dominating in Actinidia arguta and leucoanthocyanins and flavonols in Actinidia kolomikta. Selection improvements of both the species of Actinidia led to inhibition of bioflavonoid biosynthesis in fruits, especially fruits of Actinidia arguta. Minimal losses of the given compounds have been shown by sorts Kievskaya krupnoplodnaya, Kievskaya hybridnaya and Lasunka. Three sorts of Actinidia kolomikta – Dostoynaya, Odnodomnaya and Vafelnaya – were characterized by the highest content of P-vitamins in fruits which exceeds the figures for the natural form.

Actinidia arguta, Actinidia kolomikta, sorts, fruits, leucoanthocyanins, catechines, flavonols, bioflavonoids, tannins

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