coumaric acid definition

  • noun:
    • Any of three isomeric fragrant carboxylic acids, 3-(4-hydroxyphenyl)-2-propenoic acid, found in many plants
  • adjective:
    • certainly one of some aromatic acids, pertaining to cinnamic acid, the most crucial which is a white crystalline material, HO.C6H4.C2H2.CO2H, gotten through the tonka-bean, nice clover, etc., and produced artificially.
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