The Effects of Zhigancao and Glycyrrhizic Acid on Transmural Potential of Reverted Mouse Small Intestine in Vitro / 中草药

ABSTRACT

Electrical potential difference (PD) was measured across the wall of reverted small intestinal saes of mice. The effect of glycyrrhizic acid on transmural potential related to Na+ and glucose transport were investigated. It was found that both zhigancao (100g/L ) and glycyrrhizic acid (2. 5mmol/L ) decreased the PD (P＜0.01).According to the theory of active transport of glucose, we inferred that zhigancao and glycyrrhizic acid possibly produce an inhibitiory effect on Na+. K+-ATP ase,resulted in a blocking effect on sodium channel.