Impact of vinification procedure on fruit wine inhibitory activity against α-glucosidase
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Vasić, Vesna M.
Čakar, Mira M.
Petrović, Aleksandar V.
Чланак у часопису (Објављена верзија)
© 2018 Published by Elsevier Ltd
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α-Glucosidase inhibitory activity (AGL) of fruit wine samples made from blueberry, black chokeberry, blackberry, raspberry and sour cherry cultivars grown in Serbia was studied using an microvinification procedure. More precisely, both sugar and enzyme were added to the fruit must before fermentation for half of the samples. This increased the extraction of phenolic compounds. All the samples showed higher bioactivity compared to acarbose, the compound used as a positive control. Blueberry (IC50 ~27 ± 1 µg/ml) and black chokeberry (IC50 ~28 ± 1 µg/ml) wine samples had the highest values regardless of the vinification method. In addition to this, chlorogenic and caffeic acids were recognised as their key AGL bioactives. Taken all together, the fruit wine samples or their lyophilised extracts may be considered as complementary medicine supplements of potential interest for the control of postprandial hyperglycemia.
Кључне речи:black chokeberry / blueberry / caffeic acid / chlorogenic acid / fruit wines / gamma-Glucosidase inhibitory activity
Извор:Food Bioscience, 2018, 25, 1-7
ISSN: 2212-4292 (print)