In Sevags method, after extractions of 15 times, the final APS recovery was 62.8%, protein residual contents was 1.98% and amount of protein removed was 69.9%.

• 用Sevag法脱除黄芪多糖中的蛋白；反复进行15次萃取；最后多糖得率为62.；8%25；蛋白质含量为1