An encapsulated antifoam of glucose and an imbedded silica-filled polydimethylsiloxane antifoam. Anhydrous glucose is the encapsulating material although other meltable sugars and biocompatible materials such as d-sorbitol, maltose, d-xylose, fructose, citric acid monohydrate and ascorbic acid can be used. The compositions have utility in the food, drug, pharmaceutical, medical, detergent, agricultural, fermentation and cosmetic fields.