Milk protein edible film; Solar concentrator breaks down waste; UV oven disinfects

Edible film uses milk protein
USDA researchers have developed an edible film with excellent barrier properties for food packaging that utilizes milk protein. “The protein-based films are powerful oxygen blockers that help prevent food spoilage. When used in packaging, they could prevent food waste during distribution along the food chain,” says research leader Peggy Tomasula.

The primary component in the edible film is milk protein casein. It also contains citrus pectin to strengthen …