منابع مشابه
Biological preservation of foods–Bacteriocins of lactic acid bacteria
Lactic acid bacteria and their antimicrobial metabolites have potential as natural preservatives to control the growth of spoilage and pathogenic bacteria in foods. To date, nisin is the only bacteriocin that has found practical applications in some industrially processed foods. Its antibacterial activity and possible use as a biopreservative has been studied in a large number of food systems. ...
متن کاملIsolation and characterization of bacteriocins produced by lactic acid bacteria
This study presents the characterization of eight bacteriocins produced by lactic acid bacteria (LAB) previously isolated from a traditional cheese, Pico cheese. All isolates were active against Listeria monocytogenes and only three against Clostridium perfringens. Bioactivity was studied after treatment with different enzymes, organic solvents, surfactants, temperature, pH and NaCl. The antimi...
متن کاملBacteriocins from lactic acid bacteria: production, purification, and food applications.
In fermented foods, lactic acid bacteria (LAB) display numerous antimicrobial activities. This is mainly due to the production of organic acids, but also of other compounds, such as bacteriocins and antifungal peptides. Several bacteriocins with industrial potential have been purified and characterized. The kinetics of bacteriocin production by LAB in relation to process factors have been studi...
متن کاملBacteriocins of gram-positive bacteria.
In recent years, a group of antibacterial proteins produced by gram-positive bacteria have attracted great interest in their potential use as food preservatives and as antibacterial agents to combat certain infections due to gram-positive pathogenic bacteria. They are ribosomally synthesized peptides of 30 to less than 60 amino acids, with a narrow to wide antibacterial spectrum against gram-po...
متن کاملThe Aerobic Dissimilation of Lactic Acid by the Propionic Acid Bacteria.
The hydrogen reacts with lactic acid to form propionic acid. Pyruvic acid has been isolated from the fermentation of glucose (1934) and of lactic acid (unpublished data) by Wood and Werkman. These investigators supported Van Niel's proposed dissimilation of pyruvic acid inasmuch as the occurrence of acetaldehyde could not be demonstrated. Little information is available concerning the aerobic d...
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ژورنال
عنوان ژورنال: Le Lait
سال: 2002
ISSN: 0023-7302,1297-9694
DOI: 10.1051/lait:2001005