期刊
INTERNATIONAL JOURNAL OF DAIRY TECHNOLOGY
卷 62, 期 3, 页码 339-347出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1471-0307.2009.00509.x
关键词
Antioxidant activity; Bioactive peptides; Cheddar cheese; Lactic acid bacteria
The aim of the study was to evaluate the changes in the antioxidant properties of Cheddar cheese at different stages of ripening using different assays: 2, 2'-azinobis (3 ethyl benzothiazoline)-6-sulphonic acid, 2, 2-diphenyl 1, picryl hydrazyl and superoxide radical scavenging activity. Cheddar cheese was prepared with Lactobacillus casei ssp. casei 300 and Lactobacillus paracasei ssp. paracasei 22 and without adjunct cultures. The antioxidant activity of water-soluble extracts of Cheddar cheese was dependent on the ripening period. The changes in the antioxidant activity were related to the rate of formation of soluble peptides (proteolysis) in all the samples of cheeses up to fourth month of ripening.
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