bulking agent

noun

noun

An additive that increases the bulk of a product, often food, without affecting its main characteristics, such as taste.

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.2007, Eugene J. McNally, Jayne E. Hastedt, editors, Protein Formulation and Delivery, CRC Press, →ISBN, page 205:

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