Propylene glycol is an organic Compound (diol), usually a slightly sweet, odorless, colorless and transparent oily liquid that absorbs moisture and is easily mixed with water, acetone, and chloroform. It is widely used in the food, pharmaceutical and cosmetic industries.
In the application of food-grade propylene glycol, in flavors, fragrances, and baked pastries, propylene glycol is an extremely excellent raw material and has irreplaceable properties in the production of many products. status.
In the food industry, propylene glycol reacts with fatty acids to form propylene glycol fatty acid esters, which are mainly used as food emulsifiers; propylene glycol is an excellent solvent for condiments and pigments. It can be used as a solvent to dissolve food additives that are insoluble in water, such as preservatives, pigments, and antioxidants, and then add them to food. It has strong hygroscopicity and has moisturizing and anti-freezing effects on food.
According to the relevant provisions of the “GB2760-2014 National Food Safety Standard for the Use of Food Additives”, propylene glycol functions as a stabilizer, coagulant, and anti-caking agent , defoaming agent, emulsifier, moisture retaining agent, thickening agent, the maximum usage amount is 1.5g/kg in raw and wet noodle products (such as noodles, dumpling wrappers, wonton wrappers, siu mai wrappers), and the maximum usage amount in pastry production The requirement is 3.0g/kg.
Reminder: In addition, food-grade propylene glycol requires manufacturers to have a food additive (propylene glycol) production license and import it Food-grade propylene glycol requires suppliers to provide inspection and quarantine certificates for the corresponding batches of propylene glycol.