Known as methyl ethyl glycol, 1,2-propanediol, or propane-1,2-diol, propylene glycol, is a synthetic, clear, colorless liquid that is widely used as an additive or antifreeze within the food, chemical ...

Some foods and drinks contain a small amount of propylene glycol, a food additive that helps maintain moisture and structure. The U.S. Food and Drug Administration has determined propylene glycol is ...

Coca-Cola. has filed a patent for a method to refine bio-based crude ethylene glycol. The method involves diluting the crude ethylene glycol with water and passing it through an adsorption bed filled ...