Published in Scientific Papers. Series B, Horticulture, Vol. LXVIII, Issue 2
Written by Maria GEORGIEVA, Diyan GEORGIEV, Tatyana BOZHANSKA
In recent decades, the attention of scientists has been focused on the fruits of Vaccinium L. due to their significant potential to be used in the food, pharmaceutical, and cosmetic industries. In the present experiment, the biochemical composition of fruits of four introduced highbush blueberry varieties (Bluecrop, Bluegold, Spartan, Toro) grown in a demonstration plantation of RIMSA-Troyan was analyzed. The changes in the biochemical composition of fresh and frozen fruits after 1-year of storage at - 18°C (in refrigerated conditions) were compared. The fresh fruits of Bluegold are distinguished by a higher content of total and inverted sugar, ascorbic acid, tannins, anthocyanins, and pectin than the other studied varieties. In Bluecrop fruits, after one year of storage under refrigerated conditions, higher content of dry matter weight, ascorbic acid, tannins, and pectin were reported. The best results in terms of colour brightness were reported for fruits of the Spartan variety (22.68).
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