By using enzyme-hot water method the polysaccharides isolated could markedly elongate the blood coagulation time in mice, the prothrombin time and KPTT in rats.

• 采用酶解-热水浸提法提取的枝管藻多糖能够显著延长小鼠全血凝血时间、大鼠体外凝血酶原时间和白陶土部分凝血活酶时间,且呈明显的量-效关系。