Propylene glycol is an organic compound (diol), usually slightly A sweet, odorless, colorless and transparent oily liquid that absorbs moisture and is easily mixed with water, acetone, and chloroform. Food-grade propylene glycol is an extremely excellent raw material in flavors, fragrances, and baked pastries, and has an irreplaceable position in the production of many products.
It is understood that propylene glycol can be used as various additives in the food industry:
Propylene glycol is used as a carrier solvent; wetting agent; humectant; anti- Binders; antioxidants; texture improvers; surfactants; stabilizers; thickeners; dough conditioners; emulsifiers; flavoring agents; excipients; processing aids (listed as food processing aids in GB2760~96).
Propylene glycol is mainly used as a solvent for various spices, pigments, and preservatives, and as an extraction solvent for vanilla beans, roasted coffee grains, natural spices, etc. Moisturizing and softening agent for candies, bread, packaged meats, cheese, etc. It can also be used as an anti-mold additive for noodles and stuffing cores. Adding 0.006% to soy milk can keep the flavor unchanged when heated, making white and shiny packaged tofu, and the volume will expand when fried.
Propylene glycol is used as a solvent, which can dissolve food additives such as preservatives, pigments, and antioxidants that are difficult to dissolve in water, and then add them to food. It has strong hygroscopicity and has moisturizing and anti-freezing properties for food. effect. Propylene glycol is an excellent solvent for flavorings and colorings. Our country stipulates that it can be used in pastries, and the maximum usage is 3.0g/kg.
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