Industrial chemicals PG (Propylene Glycol) USP is a chemical that is a by-product of the fuel industry or plant fermentation which has characteristics such as a clear, colorless and odorless liquid, slightly viscous but soluble in water.
PG (Propylene Glycol) USP can be used as a food ingredient because propylene glycol has many properties that are potentially useful for packaged foods, its use is quite common in food products designed to have a long shelf life.