Artículos de revistas
Oxidative Stability Of Yogurt With Added Lutein Dye
Journal Of Dairy Science. , v. 97, n. 2, p. 616 - 623, 2014.
This study evaluated the effect of adding lutein dye on the oxidative stability of yogurt during 35. d of refrigerated storage, in the presence and absence of light. Yogurts manufactured without and with the equivalent of 1.5. mg of lutein in 120. g of the final product were characterized for their total carotenoid and riboflavin contents, and the behaviors of both riboflavin and lutein were monitored during storage. A decrease in riboflavin content occurred, with concurrent appearance of its derived-oxidation products in the yogurts without added lutein and exposed to light during storage. The yogurts with added lutein dye showed constant lutein and riboflavin contents throughout storage both for the samples stored under light and for those stored in the dark. Yogurts (120. g) with the addition of 0.5, 1.5, and 2.5. mg of lutein dye were evaluated for their sensory acceptance, and the statistical analysis showed no differences between the samples for the attributes of aroma and flavor. These results indicate that the added lutein remained stable throughout the storage period and conferred protection for the riboflavin against photooxidation, preserving the quality of the yogurts. © 2014 American Dairy Science Association.972616623Andersen, C.M., Vishart, M., Holm, V.K., Application of fluorescence spectroscopy in the evaluation of light-induced oxidation in cheese (2005) J. Agric. Food Chem., 53, pp. 9985-9992(2006) Official Methods of Analysis, , AOAC International, AOAC International, Gaithersburg, MDAryana, K.J., Barnes, H.T., Emmick, T.K., McGrew, P., Moser, B., Lutein is stable in strawberry yogurt and does not affect its characteristics (2006) J. 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