Biopreservation | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-01-13

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Biopreservation


00:01:13 1 Biopreservative agents and modes of action
00:01:25 1.1 Lactic acid bacteria
00:02:46 1.2 Yeast
00:04:05 1.3 Bacteriophages
00:07:22 2 Meat biopreservation
00:08:46 3 Seafood biopreservation
00:12:45 4 Commercial applications and products
00:15:54 5 Safety



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SUMMARY
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Biopreservation is the use of natural or controlled microbiota or antimicrobials as a way of preserving food and extending its shelf life. The biopreservation of food, especially utilizing lactic acid bacteria (LAB) that are inhibitory to food spoilage microbes, has been practiced since early ages, at first unconsciously but eventually with an increasingly robust scientific foundation. Beneficial bacteria or the fermentation products produced by these bacteria are used in biopreservation to control spoilage and render pathogens inactive in food. There are a various modes of action through which microorganisms can interfere with the growth of others such as  organic acid production, resulting in a reduction of pH and the antimicrobial activity of the un-dissociated acid molecules, a wide variety of small inhibitory molecules including hydrogen peroxide, etc.   It is a benign ecological approach which is gaining increasing attention.