| http://www.w3.org/ns/prov#value | - As thickeners may be used water-soluble polymers such as carboxymethyl cellulose, methyl cellulose, hydroxy ethyl cellulose, hydroxypropyl cellulose and other water-soluble cellulose derivatives, polyvinyl alcohol, polyvinylpyrrolidone, polyacrylic acid, carboxyvinyl polymers, gelatin, starch, agar, etc.
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