Exudate gums and latexes Plant-based gums are solids which consist of mixtures of polysaccharides (carbohydrates).1 When placed in water, they either dissolve or absorb water and swell up to form a gel or jelly. In contrast, they are insoluble in oils and organic solvents, such as diethyl ether, ethanol and hydrocarbons. The polysaccharide mixtures are
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