OBJECTIVE To compare between the effect of crude Radix Dioscoreae Oppositae and the water extract of the drug stir-baked with bran at different polarities on the gastrointestinal function of mice with spleen deficiency.

• 目的比较生山药及麸炒山药水提液不同极性部位对提高脾虚小鼠胃肠功能作用的差异。