期刊
INFRARED PHYSICS & TECHNOLOGY
卷 89, 期 -, 页码 247-254出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.infrared.2018.01.005
关键词
Aging time; Bos indices; Meat quality; Shortwave infrared; Warrner-bratzler shear force
资金
- Sao Paulo Research Foundation (FAPESP) [2013/07985-2]
- CNPq
- Coordination of Improvement of Higher Education Personnel (CAPES)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [13/07985-2] Funding Source: FAPESP
The aim of this study was to evaluate the accuracy of classification of Nellore beef aged for 0, 7, 14, or 21 days and classification based on tenderness and aging period using a bench-top hyperspectral imaging system. A hyperspectral imaging system (lambda = 928-2524 nm) was used to collect hyperspectral images of the Longissimus thoracis et lumborum (aging n = 376 and tenderness n = 345) of Nellore cattle. The image processing steps included selection of region of interest, extraction of spectra, and indentification and evalution of selected wavelengths for classification. Six linear discriminant models were developed to classify samples based on tenderness and aging period. The model using the first derivative of partial absorbance spectra (give wavelength range spectra) was able to classify steaks based on the tenderness with an overall accuracy of 89.8%. The model using the first derivative of full absorbance spectra was able to classify steaks based on aging period with an overall accuracy of 84.8%. The results demonstrate that the HIS may be a viable technology for classifying beef based on tenderness and aging period. (C) 2018 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据