Propylene glycol plays a variety of roles in food additives, the following are the main application:
1. In the food industry, it is an excellent solvent that can dissolve food coloring and other insoluble ingredients well, so it commonly used as an excellent solvent for various spices, colors and preservatives, and can also be used as an extraction solvent for vanilla beans, roasted curry granules and natural spices, as well as a moisturizing and softening agent for candies, breads and packaged meats.
2. In the tobacco industry, it can be used as a moisturizer.
3. It also used for the production of food emulsifier propylene glycol ester, the main varieties are propylene glycol monostearate, propylene glycol monooleate, propylene glycol monolaurate.
4. It can be used as stabilizer, coagulant, antisolution in pastry, and can also be used as softener and emulsifier for gum-based candies.
5. Propylene glycol can reduce the crystallization point of water and prevent food from freezing at low temperatures, so as to maintain the quality and stability of food and avoid physical or chemical changes caused by freezing.
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