The results showed that the method of TCA,repeating 2 times was the best for removing proteins,the rate of deproteinization reached 23.87% while the rate of polysaccharide losing was only 0.40%.

• 结果表明:TCA法沉淀两次脱蛋白效果最佳；脱蛋白率达23.；87%25；多糖损失率仅为0