The best equation was developed with the SECV= 0.6306,1-VR=0.9987,which eliminated the influence of moisture,sodium hydroxide,sodium acetate and protein.

• 该方法对水分、氢氧化钠、乙酸钠、蛋白质对脱乙酰度测定的影响进行了校正；最后建立的最优近红外测定方程的交叉验证标准误差(SECV)为0.；6306；交叉验证相关系数(1-VR)为0