[发明专利]一种快速同步测定稻米粉表观直链淀粉、直链淀粉和支链淀粉含量的方法

权利要求书

1.一种快速同步测定稻米粉表观直链淀粉、直链淀粉和支链淀粉含量的方法，其特征在于，包括以下步骤：

（1）采用近红外分析仪对待测稻米粉进行扫描，录入近红外漫反射光谱；

（2）将近红外漫反射光谱数值代入表观直链淀粉、直链淀粉和支链淀粉含量的近红外光谱预测模型中，获得待测稻米粉中的表观直链淀粉、直链淀粉和支链淀粉含量；

所述表观直链淀粉含量的近红外光谱预测模型为：

Y_AAC=-14.6+385.7X₁-1327X₂-5740.7X₃-3246.4X₄+579.9X₅-444.5X₆-2964.2X₇+642.0X₈+358.0X₉+495.3X₁₀-554.8X₁₁-7841.9X₁₂-2228.2X₁₃+48.9X₁₄+904.6X₁₅+25192.9X₁₆+4194.8X₁₇-4028.8X₁₈+4273.5X₁₉+19272.0X₂₀-1317.8X₂₁-3854.7X₂₂+29185.9X₂₃+2716.4X₂₄-3854.0X₂₅+3668.7X₂₆-1525.9X₂₇+6873.7X₂₈+2262.0X₂₉+3351.0X₃₀-531.7X₃₁-3829.7X₃₂+17739.7X₃₃-1501.1X₃₄-1243.8X₃₅+1260.6X₃₆-1059.5X₃₇-51.8X₃₈+532.8X₃₉+117.6X₄₀+330.4X₄₁-976.2X₄₂-481.0X₄₃+1511.5X₄₄+475.8X₄₅+387.2X₄₆-7619.4X₄₇+75.5X₄₈+1102.1X₄₉+4276.4X₅₀+698.1X₅₁+2065.3X₅₂-1891.5X₅₃+974.6X₅₄+9648.1X₅₅+3715.5X₅₆+4197.8X₅₇+1217.5X₅₈+1983.5X₅₉-2184.2X₆₀+457.9X₆₁+1191.4X₆₂-312.2X₆₃，

所述直链淀粉含量的近红外光谱预测模型为：

Y_AC=-71.9+1715.1X₁-964.1X₂-6396.3X₃-6938.2X₄-1796.9X₅+3030.7X₆+21.9X₇+525.0X₈+324.2X₉+1117.8X₁₀+1920.9X₁₁-4347.3X₁₂-206.9X₁₃-5358.2X₁₄-1166.4X₁₅+40372.8X₁₆+5280.6X₁₇-6727.9X₁₈-3762.3X₁₉+15294.3X₂₀-302.3X₂₁-7017.0X₂₂+1583.9X₂₃+2378.3X₂₄-4171.7X₂₅+3844.9X₂₆-1020.7X₂₇+2882.7X₂₈+2549.8X₂₉+2318.9X₃₀-3650.4X₃₁-1178.9X₃₂+20222.2X₃₃-4188.7X₃₄+314.1X₃₅+713.4X₃₆-958.4X₃₇-251.7X₃₈+769.4X₃₉-739.8X₄₀-883.8X₄₁-1843.9X₄₂+2527.5X₄₃+3736.7X₄₄+86.8X₄₅-1003.7X₄₆-15207.3X₄₇-62.5X₄₈+2034.2X₄₉+10420.7X₅₀+309.2X₅₁+4020.0X₅₂-2694.7X₅₃-2594.2X₅₄+6062.6X₅₅+6176.7X₅₆+3794.4X₅₇-331.1X₅₈+1338.9X₅₉-2184.2X₆₀+457.9X₆₁+1191.4X₆₂-4690.8X₆₃，

所述支链淀粉含量的近红外光谱预测模型为：

Y_AP=113.7-2071.3X₁+684.7X₂+5779.0X₃+5225.6X₄-2868.2X₅-2165.2X₆+1257.0X₇-1043.4X₈-1586.7X₉+750.9X₁₀+3137.2X₁₁+2118.3X₁₂+3117.6X₁₃+6795.3X₁₄+4407.7X₁₅-29828.6X₁₆-11311.1X₁₇+3921.9X₁₈-1886.9X₁₉-14290.1X₂₀+3044.6X₂₁-331.8X₂₂-10775.6X₂₃-351.3X₂₄+3080.3X₂₅-3500.2X₂₆+1004.3X₂₇-1271.4X₂₈-1506.5X₂₉-2971.1X₃₀+3560.6X₃₁-2696.8X₃₂-18816.5X₃₃+3296.9X₃₄-2213.7X₃₅-1150.7X₃₆+175.7X₃₇+67.1X₃₈-518.0X₃₉+677.6X₄₀+1559.8X₄₁+431.7X₄₂-3451.5X₄₃-1755.5X₄₄+992.3X₄₅+1403.3X₄₆+21511.2X₄₇+362.0X₄₈+100.3X₄₉-2812.4X₅₀-706.3X₅₁-3794.9X₅₂+5325.0X₅₃+3839.7X₅₄-3180.2X₅₅-4430.9X₅₆-2511.7X₅₇+2047.2X₅₈+60.1X₅₉-286.6X₆₀+987.6X₆₁-427.7X₆₂+4271.8X₆₃，

其中，Y_AAC为表观直链淀粉含量，Y_AC为直链淀粉含量，Y_AP为支链淀粉含量，X₁, X₂, X₃,……, X₆₃分别为待测稻米粉的近红外漫反射光谱中波长为1300 nm, 1316 nm, 1332 nm,1348 nm, 1364 nm, 1380 nm, 1396 nm, 1412 nm, 1428 nm, 1444 nm, 1460 nm, 1476nm, 1492 nm, 1508 nm, 1524 nm, 1540 nm, 1556 nm, 1572 nm, 1588 nm, 1604 nm,1620 nm, 1636 nm, 1652 nm, 1668 nm, 1684 nm, 1700 nm, 1716 nm, 1732 nm, 1748nm, 1764 nm, 1780 nm, 1796 nm, 1812 nm, 1828 nm, 1844 nm, 1860 nm, 1876 nm,1892 nm, 1908 nm, 1924 nm, 1940 nm, 1956 nm, 1972 nm, 1988 nm, 2004 nm, 2020nm, 2036 nm, 2052 nm, 2068 nm, 2084 nm, 2100 nm, 2116 nm, 2132 nm, 2148 nm,2164 nm, 2180 nm, 2196 nm, 2212 nm, 2228 nm, 2244 nm, 2260 nm, 2276 nm, 2292nm下的吸光度值。