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转让专利
申请号 : CN202111193863.1
文献号 : CN114018859B
文献日 : 2023-03-17
发明人 : 胡培松 , 唐绍清 , 谢黎虹 , 魏祥进 , 圣忠华 , 焦桂爱 , 邵高能 , 胡时开 , 王玲
申请人 : 中国水稻研究所
摘要 :
权利要求 :
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:
YAAC=‑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:
YAC=‑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:YAP=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,YAAC为表观直链淀粉含量,YAC为直链淀粉含量,YAP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, 1476 nm, 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, 1748 nm, 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, 2020 nm, 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, 2292 nm下的吸光度值。
2.如权利要求1所述的方法,其特征在于,步骤(1)中,近红外漫反射光谱值转化为吸光度值储存。
3.如权利要求1所述的方法,其特征在于,步骤(1)中,近红外分析仪扫描的波长范围为
1300 2300 nm,平均扫描次数为64,采集间隔为16 nm。
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4.如权利要求1所述的方法,其特征在于,步骤(1)中,所述待测稻米粉的制备方法包括以下步骤:对待测精米进行研磨,过筛获得细度为0.150 0.180 mm的待测稻米粉。
~
5.如权利要求4所述的方法,其特征在于,步骤(1)中,所述待测精米的碾精率为86~
91%。
说明书 :
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
技术领域
背景技术
发明内容
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,
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,[0018] 其中,YAC为直链淀粉含量,X1,X2,X3,……,X63分别为待测稻米粉的近红外漫反射光谱中63个特征波长下的吸光度值。
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
1476nm,1492nm,1508nm,1524nm,1540nm,1556nm,1572nm,1588nm,1604nm,1620nm,1636nm,
1652nm,1668nm,1684nm,1700nm,1716nm,1732nm,1748nm,1764nm,1780nm,1796nm,1812nm,
1828nm,1844nm,1860nm,1876nm,1892nm,1908nm,1924nm,1940nm,1956nm,1972nm,1988nm,
2004nm,2020nm,2036nm,2052nm,2068nm,2084nm,2100nm,2116nm,2132nm,2148nm,2164nm,
2180nm,2196nm,2212nm,2228nm,2244nm,2260nm,2276nm,2292nm下的吸光度值。
附图说明
具体实施方式
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,
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,[0044] YAP=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,
1524nm,1540nm,1556nm,1572nm,1588nm,1604nm,1620nm,1636nm,1652nm,1668nm,1684nm,
1700nm,1716nm,1732nm,1748nm,1764nm,1780nm,1796nm,1812nm,1828nm,1844nm,1860nm,
1876nm,1892nm,1908nm,1924nm,1940nm,1956nm,1972nm,1988nm,2004nm,2020nm,2036nm,
2052nm,2068nm,2084nm,2100nm,2116nm,2132nm,2148nm,2164nm,2180nm,2196nm,2212nm,
2228nm,2244nm,2260nm,2276nm,2292nm下的吸光度值。
1.599%和1.479%,证明本发明的近红外光谱预测模型具有很好的预测能力(预测值与化学值具有很好的一致性),采用其进行稻米粉中表观直链淀粉、直链淀粉和支链淀粉含量的同步预测,具有较高的准确性。