1, 2-propanediol is an excellent solvent for flavoring and pigment. Because of its low toxicity, it is used as a solvent for spices and edible pigments in the food industry.
The use of propylene glycol in the food industry, propylene glycol and fatty acid reaction to generate propylene glycol fatty acid ester, mainly used as food emulsifier; Propylene glycol is an excellent solvent for flavoring and pigment.
