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Zulueta, A., et al., Antioxidant capacity of cow milk, whey and deproteinized milk.Int Dairy J, 2009. 19(6-7): p. 380-385.

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Article

Antioxidant Properties of Ewe versus Cow Yogurt and Effect of Its Consumption on Cortisol Levels of Adults (Borderline-high Cholesterol Levels)

1Agro Technological Institute, Deputy Directorate of Research and Technology, Area of Innovation and Process Optimisation, Ctra. de Burgos Km. 119, 47071 Valladolid, Spain

2Agro Technological Institute, Deputy Directorate of Research and Technology, Dairy Technological Station, Avda. Viñalta s/n, 34071 Palencia, Spain

3Department of Metabolism and Nutrition, Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), C/ Jose Antonio Novais, 10, 28040 Madrid, Spain


Journal of Food and Nutrition Research. 2018, Vol. 6 No. 6, 346-355
DOI: 10.12691/jfnr-6-6-1
Copyright © 2018 Science and Education Publishing

Cite this paper:
Natalia García-Gonzalez, Carmen Asensio-Vegas, Daniel Rico, Begoña Olmedilla-Alonso, Esther Nova, Elena Peñas, Ana B. Martin-Diana. Antioxidant Properties of Ewe versus Cow Yogurt and Effect of Its Consumption on Cortisol Levels of Adults (Borderline-high Cholesterol Levels). Journal of Food and Nutrition Research. 2018; 6(6):346-355. doi: 10.12691/jfnr-6-6-1.

Correspondence to: Ana  B. Martin-Diana, Agro Technological Institute, Deputy Directorate of Research and Technology, Area of Innovation and Process Optimisation, Ctra. de Burgos Km. 119, 47071 Valladolid, Spain. Email: mardiaan@itacyl.es

Abstract

Antioxidant in vitro markers were used to evaluate the total antioxidant activity of ewe (whole and semi-skimmed) and cow’s set yogurts. Results showed that cow set yogurt had significantly (p≤0.05) total higher antioxidant activity than ewe set yogurt and peptidic fraction had significant higher contribution to the total antioxidant activity compared to lipidic and/or phenolic fraction. However, when lipidic fraction was evaluated, ewe yogurt (whole and skimmed) had higher antioxidant activity than cow probably associated to the high levels of conjugated linoleic acid (CLA) in ewe milk. Although significant differences win cortisol levels were observed in certain groups of population studied (normal risk woman) regarding consume ewe yogurt, it is not possible to conclude a significant lowering effect of ewe yogurt on cortisol levels in general population.

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