bulking agent

English

Noun

bulking agent (plural bulking agents)

1. An additive that increases the bulk of a product, often food, without affecting its main characteristics, such as taste.
   • 2007, Eugene J. McNally, Jayne E. Hastedt, editors, Protein Formulation and Delivery, CRC Press, →ISBN, page 205:

     Common bulking agents include mannitol, lactose, sucrose, dextran, trehalose, and glycine. In protein formulations, bulking agents often play a dual role as both bulking agent and lyoprotector.