E464

E464 is the European Union food additive number for hydroxypropyl methylcellulose, also known as HPMC. HPMC is a semi-synthetic, inert, and viscous polymer derived from cellulose. It is produced by treating cellulose with propylene oxide and then methyl chloride. This process creates a water-soluble polymer that can be used in a variety of applications.

In the food industry, E464 functions primarily as a thickener, emulsifier, stabilizer, and gelling agent. It is commonly found in a wide range of food products, including baked goods, sauces, dressings, dairy products, and confectionery. Its ability to absorb water and form a gel-like structure helps to improve the texture and consistency of these foods. It can also contribute to the stability of emulsions, preventing oil and water from separating.

Beyond its role as a food additive, HPMC has numerous industrial applications. It is used in pharmaceuticals as a binder, disintegrant, and coating agent for tablets. In construction, it serves as a water retention agent and thickener in mortars, tile adhesives, and plasters. It is also utilized in personal care products like shampoos and lotions as a thickener and stabilizer. E464 is considered safe for consumption by regulatory bodies like the European Food Safety Authority (EFSA) and the U.S. Food and Drug Administration (FDA).