The results showed puer arin significantly increased cerebral blood flow (CBF) and elevated cerebral metabolic rate for oxygen (CMRo2) and glucose (CMRglu) in a concentration-response fashi on.

• 结果表明，葛根素可以明显增加兔脑血流量，并显著提高兔脑耗氧量和葡萄糖摄取量，且呈剂量依赖性。