In accordance with thermokinetic model,the parameter,such as K and TG was obtained,and the relation between quantity and effect of Rhubarb Roots in different areas was analyzed.

• 结果不同产地的大黄对大肠杆菌的生长代谢均有不同程度的抑制作用,使大肠杆菌生长速率常数减小,传代时间延长,而且以川大黄的抑菌效果最佳。