吉きっ草そう酸さんMeanings1nounvaleric acid; pentanoic acidchemistryA straight-chain alkyl carboxylic acid with the formula CH₃(CH₂)₃COOH. Used in organic chemistry and as a flavoring agent.吉きっ草そう酸さんは、バレリアン根こんに含ふくまれる化か合ごう物ぶつの一ひとつです。Valeric acid is one of the compounds found in valerian root.