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首页> 外文期刊>Journal of near infrared spectroscopy >Detection and quantification of ruminant meal in processed animal proteins: a comparative study of near infrared spectroscopy and near infrared chemical imaging
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Detection and quantification of ruminant meal in processed animal proteins: a comparative study of near infrared spectroscopy and near infrared chemical imaging

机译：加工动物蛋白中反刍动物粉的检测和定量：近红外光谱和近红外化学成像的比较研究

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摘要

This study compared the performance of single-point near infrared spectroscopy (NIR) and near infrared chemical imaging (NIR-CI) for the detection and quantification of ruminant meat meal in processed animal proteins (PAPs). A set of 126 fish-meal samples adulterated with controlled amounts (0.25% to 16%) of ruminant meal were analysed using the two techniques. Comparison of results showed that spectra obtained by NIR-CI provided better qualitative information, whereas more accurate quantitative predictions were obtained using NIR spectroscopy. NIR-CI thus offers greater potential for species discrimination/identification, whilst NIR spectroscopy is better suited for the quantification of meal derived from a given species in PAPs. These findings represent a first step in the analysis of mixed-species processed animal proteins and suggest that NIR-CI, by providing valuable information on species origin, is a promising tool that could be used as part of the EU feed control programme aimed at eradicating and preventing Bovine Spongiform Encephalopathy (BSE) and related diseases.
机译：这项研究比较了单点近红外光谱（NIR）和近红外化学成像（NIR-CI）在检测和定量加工动物蛋白（PAP）中反刍动物肉粉的性能。使用这两种技术分析了一组掺有受控量（0.25％至16％）的反刍动物粉的126鱼粉样品。结果比较表明，通过NIR-CI获得的光谱提供了更好的定性信息，而使用NIR光谱获得了更准确的定量预测。因此，NIR-CI为物种识别/鉴定提供了更大的潜力，而NIR光谱法更适合于对PAP中来自给定物种的粗粉进行定量。这些发现代表了混合物种加工的动物蛋白分析的第一步，并表明NIR-CI通过提供有关物种起源的有价值的信息，是一种有前途的工具，可以用作旨在消灭欧盟的饲料控制计划的一部分并预防牛海绵状脑病（BSE）和相关疾病。

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