Hydrocolloid
Hydrocolloid
Hydrocolloid (pronunciation: /ˌhaɪdrəˈkɒlɔɪd/) is a substance that forms a gel in the presence of water.
Etymology
The term "hydrocolloid" is derived from the Greek words "hydro", meaning water, and "kolla", meaning glue.
Definition
A hydrocolloid is a type of colloid in which the colloidal particles are dispersed in water. A colloid is a mixture in which one substance is evenly dispersed in another. The particles in a colloid can be solid, liquid, or gas.
Types of Hydrocolloids
There are many types of hydrocolloids, including gelatin, pectin, xanthan gum, and guar gum. These are often used in food production for their ability to thicken and stabilize products.
Uses
Hydrocolloids have a wide range of uses. In the food industry, they are used as thickeners, gelling agents, emulsifiers, and stabilizers. In medicine, they are used in wound care to create dressings that are highly absorbent and protective.
Related Terms
External links
- Medical encyclopedia article on Hydrocolloid
- Wikipedia's article - Hydrocolloid
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