稳定同位素技术在肉羊产地溯源中的应用
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王倩,李政,赵姗姗,郄梦洁,张九凯,王明林,郭军,赵燕
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Application of Stable Isotope Technology in the Origin Traceability of Sheep
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WANG Qian,LI Zheng,ZHAO ShanShan,QIE MengJie,ZHANG JiuKai,WANG MingLin,GUO Jun,ZHAO Yan
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表4 不同样品中δ13C、δ15N值对产地的判别分析结果
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Table 4 Linear discriminant analysis results of δ13C and δ15N values on origins in different samples
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样品
Sample | 脱脂羊肉
De-fatted mutton | 全骨粉
Whole bone meal | 脱脂骨粉
De-fatted bone meal | 骨胶原
Bone collagen | | 中国宁夏 Ningxia, China | 60.0% | 40.0% | 40.0% | 40.0% | | 中国甘肃 Gansu, China | 90.0% | 80.0% | 80.0% | 85.0% | | 中国安徽 Anhui, China | 95.0% | 90.0% | 50.0% | 75.0% | | 新西兰 New Zealand | 94.4% | 72.2% | 88.9% | 77.8% | | 原始判别正确率 Original Discriminant Accuracy | 84.9% | 70.6% | 64.7% | 69.5% | | 中国宁夏 Ningxia, China | 50.0% | 30.0% | 35.0% | 35.0% | | 中国甘肃 Gansu, China | 90.0% | 75.0% | 80.0% | 80.0% | | 中国安徽 Anhui, China | 95.0% | 90.0% | 50.0% | 75.0% | | 新西兰 New Zealand | 94.4% | 72.2% | 88.9% | 77.8% | | 交叉验证判别正确率 Cross-validation discrimination accuracy | 82.4% | 66.8% | 63.5% | 67.0% |
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