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Aug 22, 2016 @ 6:41

Milk protein used to make biodegradable food wrap

A new biodegradable film made of milk protein has the potential to keep food fresher and replace plastic wraps, according to researchers from the U.S. Department of Agriculture.

Lead researchers Peggy Tomasula and Laetitia Bonnaillie plan to present their work before a conference of the American Chemical Society on Sunday in Philadelphia.

Bonnaillie says the substance they created is made of casein, a milk protein, with the addition of citrus pectin and some salts to make it stronger and more resistant to moisture. It behaves much like a plastic cling wrap, but it’s biodegradable, even edible, and there is no danger of harmful compounds leaching into food.



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