Application of nanocellulose in food field

The application of nanocellulose in the food field is receiving increasing attention and research, mainly because of its natural origin, biodegradability and functional properties, which have broad potential in food processing and modification.Here are some of the main applications of nanocellulose in the food sector:

1. Food packaging:

Nanocellulose can be used as an additive in food packaging materials to improve packaging performance.Nanocellulose-based films have excellent gas barrier properties and mechanical strength, which can effectively extend the shelf life of food and provide better packaging protection.

2. Food stabilizers and thickeners:

Nanocellulose can be used as a food stabilizer and thickener to improve the texture and taste of food.Nanocellulose has good emulsification and dispersion properties, which can stabilize emulsion and suspension systems while increasing the viscosity and taste of food.For example, adding a certain concentration of nanocellulose to ice cream recipes can help maintain its original shape at room temperature and improve the viscosity and taste of ice cream.

3. Nutritional health products:

Nanocellulose can be used as a carrier or encapsulant for nutraceuticals.For example, nanocellulose can be used to prepare nanoscale nutrient delivery systems, improve the bioavailability and stability of nutrients, and enhance the functionality of nutritional and health products.

4. Food surface coating:

Nanocellulose can be used as a coating on food surfaces to enhance the texture and appearance of food.Nanocellulose coating can improve the gloss, water resistance and mechanical strength of food, while increasing the quality and commercial value of food.Furthermore, since cellulases are not present in the human system, coatings made from cellulose can withstand adverse conditions within the human gastrointestinal tract and protect the encapsulated bioactive compounds such as vitamins, fatty acids, curcumin, and probiotics.

5. As a functional food ingredient

As one of the seventh major nutrients, cellulose is an indispensable nutrient for maintaining human health. It can soften intestinal substances, stimulate gastric wall peristalsis, assist defecation, and reduce blood cholesterol and glucose absorption. Therefore, nanocellulose can also be used as a Functional food ingredients.In research on controlling food viscosity and glucose absorption, it was found that nanocellulose can significantly inhibit glucose diffusion and delay starch decomposition, which can play a 'weight loss' effect in a certain sense.

In general, the application of nanocellulose in the food field covers food packaging, stabilizers, nutritional supplements, food additives and other aspects, providing new materials and technical support for the innovation and development of the food industry.