The detailed definition of thickener can be analyzed from the following perspectives:
1. Basic definition and core function
Thickener (English name thickener) is a kind of macromolecular substance that can dissolve in water and form a viscous or gel-like solution through hydration. Its core functions include:
Increase the viscosity of the system: Keep the liquid in a uniform and stable suspension or emulsion state.
Gel formation or texture improvement: For example, give a sticky taste in food, or enhance adhesion in detergents.
2. Classification and source
According to the source, it can be divided into two categories:
Natural thickeners: such as starch, gum arabic, agar, etc., mainly extracted from plants or seaweed.
Synthetic thickeners: such as sodium carboxymethyl cellulose, sodium polyacrylate, etc., prepared by chemical polymerization.
3. Application areas
Thickeners play a key role in many industries:
Food industry: used in sauces, ice cream, etc. to improve taste and stability. Daily chemical products: such as shampoo and detergent to adjust viscosity and enhance cleaning effect.
Medicine and coatings: as suspending agent or film-forming aid.
4. Other terms and nicknames
Thickeners are also called gelling agents, food glues or hydrophilic colloids in different scenarios, emphasizing their high molecular weight hydrophilic properties.