Edible packaging developed overseas

This is a kind of food package that can be digested with protein, fat, or starch as a base material without affecting the flavor of the packaged food. After the packaging function is completed, the packaged product can be eaten or used as animal feed, which can save resources without causing environmental pollution.

The cereal film developed by the University of Clemson in the United States uses corn, soybean, and wheat as raw materials, and the extracted vegetable protein is processed into a film, which can not only maintain moisture, but also has good moisture-proof and oxygen-blocking ability, and also has certain antibacterial properties. It is suitable for packaging of sausages and other foods. After use, it can be used for poultry consumption or as fertilizer.

The collagen film developed by Natick of the United States is made of animal protein collagen and has characteristics such as high strength, water resistance and oxygen permeability. It can be melted and consumed when thawed and used for packaging meat products without changing its flavor. .

The American Bureau of Agricultural Research combined chitosan extracted from shellfish with lauric acid with 12 carbon atoms to produce an edible film. This kind of transparent film can be used for packaging of peeled or sliced ​​fruits, with a thickness of 0.2-0.3mm, not only can achieve the purpose of preservation, but also can not be perceived by consumers and can be eaten together with fruits.

Australia's Queensland Potato Chip Containers Corporation has developed an edible container of fried potato chips. The taste of the container is not inferior to the taste of the potato chips. People can eat this kind of container after they have finished eating the potato chips. The company also uses the equipment it has developed to make edible hamburger boxes and containers for meat and eggs.

In Japan, following the development of edible rice paper, people used chitosan extracted from shellfish to produce an edible wrapping paper that was used to package instant noodles, seasonings, etc. Can be cooked directly into the pan without removing the bag.