This refined wood pulp is a highly useful compound in a variety of applications for the food industry as a texturizer, anti-caking agent, fat substitute, emulsifier, extender, and bulking agent. The most common use in food production is in vitamin supplements and tablets, and it is also employed in plaque assays when counting viruses as opposed to carboxymethylcellulose.As a naturally occurring polymer, microcrystalline cellulose is composed of glucose units linked via 1-4 beta glycosidic bonds. This makes it an excellent thickener, stabilizer, and emulsifier in food production, and also has numerous applications in the cosmetics and pharmaceutical industries as well. Varying grades of microcrystalline cellulose are determined by the particle size, density, compressibility index, powder porosity, angle of repose, hydration swelling capacity, moisture content, moisture sorption capacity, crystallite size, crystallinity index, Â and size and mechanical properties such as hardness and tensile strength. While it is widely considered hypoallergenic, there has been at least one documented case of an allergic reaction.