| 近红外光谱法快速测定豆粕蛋白质含量 |
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| 引用本文： | 庄树华,张广利,卢利军.近红外光谱法快速测定豆粕蛋白质含量[J].中国油料作物学报,1991(2). |
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| 作者姓名： | 庄树华 张广利 卢利军 |
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| 作者单位： | 吉林省进出口商品检验局
(庄树华，张广利)，吉林省进出口商品检验局(卢利军) |
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| 摘 要： | 本文应用近红外分析仪(NZR)测定黄豆粕蛋白质含量。通过对不同蛋白质含量的样品进行光谱扫描,找出最佳吸收波长和校准常数值。21份豆粕样品的测定结果表明,近红外法与经典的凯氏法所测结果呈密切的线性相关(R=0.91),标准偏差为0.5％,无显著性差异。
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| 关 键 词： | 近红外分析法 黄豆粕 蛋白质 |
DETERMINATION OF CRUDE PROTEININ SOYBEAN MEAL WITH NEAR INFRARED REFLECTANCE SPECTROSCOPY |
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| Zhang shuhua Zhang Guangli Lu Lijun.DETERMINATION OF CRUDE PROTEININ SOYBEAN MEAL WITH NEAR INFRARED REFLECTANCE SPECTROSCOPY[J].Chinese Journal of Oil Crop Sciences,1991(2). |
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| Authors: | Zhang shuhua Zhang Guangli Lu Lijun |
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| Institution: | Jilin Import and Export Commodity Inspection Bureau |
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| Abstract: | In The present paper was studied the crude protein content of soybean meal with near infrared reflectance analyzer(NIR).The optimum absorption wavelength and the calibration constant were obtained by scanning various standard samples of soybean meal containing various crude protein content.Through analysing 21 soybean meal and statistically dialing with results determined,it was shown clearly that there was high correlativity and no significant difference with NIR and Kjeldahl method.The regression coefficient(R)was 0.91 and standard deviation was 0.51% |
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| Keywords: | Near infrared absorption spectrometry Soybean meal Protein |
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