What are hydrocolloids??
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A hydrocolloid is defined as a colloid system wherein the colloid particles are dispersed in water. A hydrocolloid has colloid particles spread throughout water, and depending on the quantity of water available that can take place in different states, exa. gel or sol (liquid). Hydrocolloids can be either irreversible (single-state) or reversible. For exa. agar, a reversible hydrocolloid can exist in a gel and sol state, and alternate between states with the addition or elimination of heat.
Many hydrocolloids are derived from natural sources.