A new study shows that edible films have been developed that contain clove and oregano oils that can preserve bread longer than commercial additives.

“The search for new ways to keep packaged food from spoiling has led some scientists to essential oils, which can keep bacteria and mold at bay,” says researcher Nilda de FF Soares. Oils from clove and oregano have already been incorporated into edible films, but scientists still needed to optimize the effectiveness of these films and test them under real-life conditions for other uses. The scientists bought preservative-free bread and placed slices in plastic bags with or without essential oil-infused edible films. To some slices, they added a commercial preservative containing calcium propionate.

The films are made with small droplets of the oils and are said to slow mold growth, even after 10 days, the study says.

Source: Oman Daily Observer