Any of nine isomeric alcohols, C6H12O6?H2O, especially one found in plant and animal tissue and classified as a member of the vitamin B complex.

• 环已六醇，肌醇一种同分异构乙醇，C6H12O6?H2O，尤发现于植物和动物组织内部并被归类为维生素B合成物中的一种