| http://www.w3.org/ns/prov#value | - The polyvalent unsaturated fatty acid ester includes, for instance, esters formed between a polyvalent unsaturated fatty acid and a monohydric alcohol such as methanol or ethanol, a polyhydric alcohol such as glycerol or sucrose, or other components having hydroxyl groups, and the present invention is not limited to those exemplified above.
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