1, soy protein edible packaging film: This film is a packaging structure by the American Frederick F · applied research group led by the successful development. It has many advantages, such as can maintain the water, but also to prevent oxygen to enter, but also to ensure that the flavor of fatty foods. After consumption of high nutritional value and easy to handle, in full compliance with environmental requirements. The trial works well. 2, chitosan edible packaging film: The packaging film is a successful trial by the U.S. Agricultural Research Institute, and is mainly used for packaging fruit and vegetable foods. It uses shellfish extract chitosan as the main raw material. The combination of chitosan and lauric acid can produce a homogeneous edible film, the thickness of only 0.2-0.3 mm. Packaging with the packaging film peeled fruit or fruit pieces (blocks), the role of good preservation. 3, protein, fatty acids, starch-based edible packaging film: The packaging film is developed by the University of Wisconsin's. Its main feature is, according to different needs, different proportions of protein, fatty acids and starch together to produce different physical properties of edible film. The packaging film of the fatty acid molecule the greater the slow escape of water resistance, the better the performance. 4, water protein film: This film is the packaging of food by the Japanese Forestry and Fisheries Research Institute successfully developed. It is suitable for expanded coverage of starchy foods. The film is a new alternative to polystyrene foam packaging materials, strength and general synthesis of thin films for food packaging quite. Because it is the main component of corn, so the performance of a biodegradable and will not pollute the environment. 5, soybean residue as raw material for edible packaging: edible wrapping paper that is a company recently launched by Japan. It is most suitable for the packaging of instant noodle seasoning. It features a foam will be dissolved with hot water, do not tear packaging is not only convenient, but also a certain degree of nutritional value. 6, edible packaging container: This container is a container of potato chips from the Queensland company has developed and produced. It is mainly used for packaging potato chips. In its trial process, the imitation of potato chip processing technology, insertion of a smoked flavor, butter flavor, chicken flavor, and sour, salty, spicy flavors, such as different spices, to meet the different tastes of consumers. Soon after the release of the container in Australia 45,000 sales outlets to use potato chips, but also attracted world attention. Now its production equipment has to enter the U.S. market. 7, corn protein packaging film (paper, coating): The packaging film is successfully developed by China. It is mainly used for fast food box and the other with oil, food packaging and coatings. The film is a corn protein synthesis by the paper and packaging materials, can not be fat and moisture permeable, put it into boiling does not change the nature of the pan. 8, insect protein coating film or wrapping paper (container): This package is successfully developed by the Chinese. It is non-toxic easy to handle can withstand a certain temperature and water erosion. The packaging or container is dissolved shellac or protein, prepared by a special process the films, or coated by the coating process on the cardboard or paper containers or wrapping paper prepared containers. 9, corn starch, sodium alginate or chitosan composite packaging film (paper): The two packaging films (paper) are developed by the Chinese, they can be used for preserved fruit, cakes, noodle soup and many other convenience foods within the packaging. Its main feature is, with high tensile strength and elongation, and good water resistance. These two types of packaging film (paper) soaked in boiling water for 10 minutes, the performance is almost not changed much. Both packaging film (paper) is a corn starch-based materials, were added to sodium alginate or chitosan, which together with a certain amount of plasticizer, tackifier, preservatives, processed by special technology. 10 of biological glue coated wrapping paper: This packaging is also successfully developed by the Chinese. Wrapping paper made from such coatings can be used in fast food containers or request under certain temperature and moisture of the food packaging. It is the use of special glue and starch glue, together with a certain amount of additives, will be prepared by coating the plastic material (or spray) on the paper surface and get the water, oil coated wrapping paper.

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