Casein Phosphopeptide (CPP)-Producing Activity and Proteolytic Ability by Some Lactic Acid Bacteria
نویسندگان
چکیده
منابع مشابه
The proteolytic system of lactic acid bacteria.
Lactic acid bacteria are widely used throughout the world, empirically or deliberately, in the manufacturing of several food and feed stuffs, including milk products (such as cheese, butter, yoghurt, buttermilk, etc.), fermented vegetables (pickles, olives and sauerkraut), sausages, sourdough bread and silage, due to their ability to convert sugars into lactic acid. Of these, dairy products are...
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The contribution of lactic acid bacteria (LAB) to the improvement of food safety and stability of fermented foods has long been known. LAB overgrow other microorganisms of the same ecological niche in food products mainly due to lowering the pH, competing for nutrients, producing various antimicrobial substances such as organic acids, hydrogen peroxide, antibiotics and bacteriocins. Among these...
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71 samples of milk and dairy products were collected from 18 cities throughout Iran. 93 strains of lactic acid bacteria (LAB) were isolated and assayed against four opportunistic patho gens including E. coli, proteus and klebsiella as gram-negative and S. aureus as a gram-positive organism. All indicators (organisms) were hospital strains. Among isolated bacteria, lactobacilli (37 isolates)...
متن کاملGenetics of the proteolytic system of lactic acid bacteria.
The proteolytic system of lactic acid bacteria is of eminent importance for the rapid growth of these organisms in protein-rich media. The combined action of proteinases and peptidases provides the cell with small peptides and essential amino acids. The amino acids and peptides thus liberated have to be translocated across the cytoplasmic membrane. To that purpose, the cell contains specific tr...
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Various investigators have reported antagonism between amino acids in the nutritional requirements of microorganisms. Snell and Guirard (1) have reported the inhibitory effect of glycine, serine, p-alanine, and threonine on the utilization of alanine. Gladstone (2), using BaciZZus anthrucis, found that certain amino acids prevented growth when added singly to a medium capable of supporting grow...
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ژورنال
عنوان ژورنال: Korean Journal for Food Science of Animal Resources
سال: 2010
ISSN: 1225-8563
DOI: 10.5851/kosfa.2010.30.3.443