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Bioactive Wine Peptides

Gisselle Raquel Apud, Pedro Adrián Aredes-Fernández
Peptides with health-promoting activities are present in various fermented foods and beverages. Among their most important beneficial properties are antihypertensive activity and antioxidant activity. In the present work, we investigated the ability of Oenococcus oeni strain m isolated from wine to increase the concentration of peptides with beneficial biological activity from the nitrogen fraction of four Argentine wine varietals (Cabernet Sauvignon, Malbec, Tannat and Torrontés). We demonstrate that O. oeni m, under nutritional stress conditions, produces an extracellular protease that hydrolyzes wine proteins releasing peptides and increasing antioxidant, antiradical and antihypertensive activities. Inoculation of O. oeni m in synthetic wine medium supplemented with the high molecular weight nitrogenous fraction of the four wine varietals under conditions similar to those of natural winemaking showed that the extracellular protease of the microorganism hydrolyzes wine proteins releasing mainly peptides.
Autor: Apud, Gisselle Raquel Aredes-Fernández, Pedro Adrián
EAN: 9786204629643
Sprache: Englisch
Seitenzahl: 56
Produktart: kartoniert, broschiert
Verlag: Our Knowledge Publishing
Untertitel: Beneficial biological activities present in different varietals of Argentinean wines
Schlagworte: Wine Oenococcus oeni peptides biological activities
Größe: 150 × 220