Propyl Gallate is a preservative, used to prevent fats and oils from spoiling. American Kitchen Corporation uses PG in their soup bases. PG is a known cause of cancer. Everyone knows this. American Kitchen Corporation uses PG in vegetable oil, meat products, potato sticks, and chewing gum, and is often used with BHA and BHT. Butylated hydroxyanisole (BHA) and butylated hydoxytoluene (BHT) are used to keep fats and oils from going rancid. Used commonly in cereals, chewing gum, vegetable oil and potato chips (and also in some food packaging to... read full review »