フィタン酸さんMeanings1nounphytanic acidA branched-chain fatty acid derived from phytol; relevant in biochemistry and medicine, especially in Refsum disease.フィタン酸さんは乳にゅう製せい品ひんや反はん芻すう動どう物ぶつの脂し肪ぼうに含ふくまれている。Phytanic acid is found in dairy products and the fat of ruminant animals.