クマル酸さんMeanings1nouncoumaric acidchemistryA hydroxycinnamic acid found in many plants; used in chemistry and biochemistry contexts.クマル酸さんは植しょく物ぶつの細さい胞ぼう壁へきに含ふくまれる化か合ごう物ぶつの一ひとつです。Coumaric acid is one of the compounds found in plant cell walls.