Glycerin Monostearate 1 white powder do as emulsifier for food and feed additives 2 competitive price and high quality Glycerin Monostearate Glycerol monostearate, commonly known as GMS, is an organic molecule used as an emulsifier.[2] GMS is a colorless, odorless, and sweet-tasting flaky powder that is hygroscopic. It is a glycerol ester of stearic acid. It occurs naturally in the body as a by- ...