| http://www.w3.org/ns/prov#value | - As polymers applicable to the present invention, there can be listed, for example, protein such as gelatin, or gelatin derivatives; cellulose derivatives; natural compounds including polysaccharides such as starch, gum arabic, dextran, pullulan, carrageenan; and synthetic polymers such as polyvinyl alcohol, polyethylene glycol, polyvinyl pyrrolidone, acrylamide polymers, or derivatives thereof.
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