1. Edible ink
1. Research status
Edible inks have already begun to take shape in foreign countries. Many research institutes and powerful companies have introduced their own more mature ink formulations and application equipment, and have been successfully applied in many consumer goods companies.
The edible ink developed by Japan's Toyo Ink Co., Ltd. is relatively mature and has been put into use in the market; Procter & Gamble has printed its own edible ink on the surface of its branded potato chips, and achieved good market results; Speclin's melinfc and apollojetxpress4/256fg food imaging systems use edible inks for digital printing on food surfaces with bright colors and performance. In addition, the Japanese printer manufacturer Masta Ma Yingde has successfully developed and produced An edible ink printer that prints directly on the surface of a food using an edible ink. There are few research reports on edible inks in China, the research technology is not mature enough, and the price is expensive. The average price is above 1000rmb/kg, which is not suitable for mass printing.
2. Development prospects
Surface printing of edible products, including food, pharmaceuticals and edible packaging materials, is a new concept and a new and attractive market opportunity, for example, on the surface of biscuits, candies, chocolates, etc. Some exquisite patterns are bound to increase the appeal of people, especially children, to these foods, and printing on edible food bags with edible inks can greatly reduce the pollution of traditional inks. However, there are few applications of edible inks on the market at present, mainly printing on the surface of drugs, and the color is monotonous and the image is simple. The main reason is that the current edible ink technology is not very mature, and it is believed that with the study of edible inks. In-depth, technology development, it will be applied to a wider range of fields, people will explain the current application field of edible inks and its development prospects and a detailed introduction to its main components, edible ink environmentally friendly pigment binder More and more products are in contact with edible inks.
Second, edible labels
With the advent of edible labels invented by American scientists, RFID on pharmaceutical packaging may become an eye-opener because the new edible labels can be used to track, trace and identify each tablet.
Cellular Bioengineering Inc. (CBI), which is based in Hawaii, has used high-purity silicon to make a label that can be eaten without affecting the efficacy of the drug. This is the TruTag tag.
It is reported that the cost of each TruTag tag is less than 1 cent, and each tag has its own unique "spectral signal", which can be used for product identification. Currently, CBI has received a cooperation agreement from the US government, and the US government hopes to develop this technology to fight counterfeit drugs.
It is reported that this label can be used not only for medicines, but also for many other fields, such as aircraft parts, art, currency, electronic components, cosmetics and products.
Appraisers of this invention can raise the safety performance and identification of products to a new level, which is a guarantee for the government, enterprises and individuals.
3. Edible packaging
1. Research status
The food department of at least eight universities in the United States has established research topics for edible packaging. The Department of Food Science and Nutrition at the University of Minnesota has a research group that specializes in edible food preservation films containing different ingredients. The Department of Agriculture and Bioengineering at Clemens University has extensively studied the production of edible films from protein film materials. The research team led by Finima at the University of Wisconsin used polysaccharides and fats to develop a two-layer edible film with a moisture barrier that is no less than a polyethylene film, and used it for a "simulated food" to achieve superior results.
Research groups led by Gobert in France have also conducted extensive research on edible films. Japan and Germany have also conducted extensive research in this field. It is particularly worth mentioning that the United States and Japan have accumulated a large amount of technology in this field.
2. Development prospects
The multi-purpose edible packaging edible packaging film as a carrier has broad prospects.
For example, the white rice can be immersed in an edible film liquid rich in vitamin B1 for nutrient strengthening. Additives incorporating various functions have been mentioned above, such as edible films rich in sorbic acid for surface preservation of meat products and cheese. This method of high local preservative content and low overall preservative content greatly improves the efficiency of the preservative and reduces the amount of additives, thereby reducing their negative effects on consumers.
There are many unique uses for edible packaging. For example, a potato chip container made by a potato chip container company in Queensland, Australia, is not inferior to the potato chips in the container, so that people can enjoy the big chewing container. The use of pigment-containing edible coatings for surface dyeing of foods that are not easily colored can reduce the total amount of pigments, expand the dyeing range, and improve the dyeing effect and stability. The United States invented and has applied ice soda bottles commercially. People buy a bottle of iced soda on the beach in the summer, and it is very cool to drink. Of course, the bottle after drinking will not pollute the beautiful environment.
Since the inherent properties of edible packaging materials have various limitations compared with synthetic polymer materials, it is far from replacing the position of synthetic polymers in food packaging materials. At the same time, the further development and development of edible packaging and natural decomposable plastics cannot be separated from the development of high technology.
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