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ACS News Service Weekly PressPac: December 01, 2021
Recent advances in edible food packaging
Packaging helps keep food safe from spoilage, and currently, many food items are wrapped in plastic. But growing concerns about the effects of plastic when it ends up in the environment have prompted researchers to explore alternative packaging materials, including those that can be eaten right along with the foods they are protecting. Below are some recent papers published in ACS journals that report on progress toward edible food packaging materials.
Journal of Agricultural and Food Chemistry
Oct. 14, 2021
In this review of bioactive peptides, researchers describe the benefits of using these compounds to preserve food. They also discuss the latest research to incorporate them into edible films and coatings, which can transport these additives to the foods they protect.
Biomacromolecules
Oct. 3, 2021
Chitosan, a chemically modified form of chitin, which is commonly obtained from the exoskeletons of sea creatures such as crabs and shrimp, is being pursued by many researchers as a basis for plastic alternatives. Here, researchers added a phenolic compound called lauryl gallate to chitosan with a process called grafting, and showed that the resulting material has the potential to be used as an edible coating.
ACS Sustainable Chemistry & Engineering
Aug. 26, 2021
As a step toward a new packaging material, these researchers evaluated various sugar molecules as plasticizers, or molecules that could make starch-based films more flexible. Starch is biodegradable and edible, and therefore is a good candidate for packaging that people can consume.
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