期刊
JOURNAL OF DAIRY SCIENCE
卷 94, 期 5, 页码 2280-2284出版社
ELSEVIER SCIENCE INC
DOI: 10.3168/jds.2010-3852
关键词
Hispanic cheese; bioactive peptide; angiotensin-converting enzyme inhibition; antihypertensive activity
Hispanic-style cheeses are one of the fastest growing varieties in the United States, making up approximately 2% of the total cheese production in this country. Queso Fresco is one of most popular Hispanic-style cheeses. Protein extracts from several varieties of Mexican Queso Fresco and model Queso Fresco were analyzed for potential antihypertensive activity. Many Quesos Frescos obtained from Mexico are made from raw milk and therefore the native microflora is included in the cheese-making process. Model Queso Fresco samples were made from pasteurized milk and did not utilize starter cultures. Water-soluble protein extracts from 6 Mexican Quesos Frescos and 12 model cheeses were obtained and assayed for their ability to inhibit angiotensin-converting enzyme, implying potential as foods that can help to lower blood pressure. All model cheeses displayed antihypertensive activity, but mainly after 8 wk of aging when they were no longer consumable, whereas the Mexican samples did display some angiotensin-converting enzyme inhibitory action after minimal aging.
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