Well-known organic gel-forming substances are gelatin, collagen, metallic soaps, and such carbohydrate polymers as starches, agar, dextran and pectin. A chemically related group of hydrophilic vegetable gums also swell in water but do not form gels (arabic, tragacanth, karaya, etc.). These are widely used in food products as protective colloids and thickeners.
Online Language Learning Tool SkELL allows users to search for phrases in sentences, collocates and similar words. These examples have been automatically selected and may contain errors.
