Methods SD rats irrigates stomach Isosorbide mononitrate, L-NAME hinders cutting off NO coming into being with SD rat abdominal cavity injection, measure SD rat blood pressure , SD rat SOD value.

• 方法SD大鼠灌胃单硝酸异山梨酯,用SD大鼠腹腔注射L-NAME阻断NO生成,测SD大鼠血压和SOD值。