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利用Videometer多光谱成像系统预测牛肉肌肉化学和微观结构特征

发表时间:2021-01-05 11:23:45点击:26

来源:北京博普特科技有限公司

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最近,科学家利用Videometer多光谱成像系统发表了题为Visible and Near-Infrared Multispectral Features in Conjunction with Artificial Neural Network and Partial Least Squares for Predicting Biochemical and Micro-Structural Features of Beef Muscles的文章。

北京博普特科技有限公司是丹麦Videometer公司中国区总代,全面负责其系列产品在中国的推广、销售和售后服务。

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Abstract

The objective of this study was to determine the potential of multispectral imaging (MSI) data recorded in the visible and near infrared electromagnetic regions to predict the structural features of intramuscular connective tissue, the proportion of intramuscular fat (IMF), and some characteristic parameters of muscle fibers involved in beef sensory quality. In order to do this, samples from three muscles (Longissimus thoracis, Semimembranosus and Biceps femoris) of animals belonging to three breeds (Aberdeen Angus, Limousine, and Blonde d’Aquitaine) were used (120 samples). After the acquisition of images by MSI and segmentation of their morphological parameters, a back propagation artificial neural network (ANN) model coupled with partial least squares was applied to predict the muscular parameters cited above. The results presented a high accuracy and are promising (R2 test > 0.90) for practical applications. For example, considering the prediction of IMF, the regression model giving the best ANN model exhibited R2P = 0.99 and RMSEP = 0.103 g × 100 g−1 DM.

Keywords:

intramuscular lipidsmeatperimysiumendomysiumintramuscular connective tissue

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