Thursday, August 18, 2011

Bacteria help to preserve food for much longer

Bacteria help to preserve food for much longer.

The lantibiotic is not toxic or cause allergies and may serve multiple types of food.

Researchers at the University of Minnesota have discovered a natural preservative that kills the bacteria that spoil food . The compound is a lantibiotic, a class of antibiotic peptide produced by a harmless bacterium, but that kills harmful bacteria such as salmonella, E. Coli and listeria.

"It is intended to protect food from a wide range of microbes that cause diseases," other natural preservatives, told BBC News its discoverer, Dan Sullivan, professor of Food Science and Nutrition at the university.

The lantibiotic could be used to preserve meats, processed cheeses, eggs and dairy products, canned food, seafood, salad dressings, fermented beverages and other foods.

The lantibiotics are easy to digest, non-toxic, do not cause allergies and is difficult to generate resistance, but first, the compound will be well analyzed, said the scientist.

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