Method: The extracted liquid from Yuquan Tea was poured into the intestine of small rats with hyperglycemia due to alloxan and adrenalin and then was observed, and then set as the controlled group.

• 方法:用玉泉茶浸提液分别对四氧嘧啶和肾上腺素所致高血糖小鼠灌胃观察并设对照组。