稳定同位素技术在肉羊产地溯源中的应用

王倩,李政,赵姗姗,郄梦洁,张九凯,王明林,郭军,赵燕

Application of Stable Isotope Technology in the Origin Traceability of Sheep

WANG Qian,LI Zheng,ZHAO ShanShan,QIE MengJie,ZHANG JiuKai,WANG MingLin,GUO Jun,ZHAO Yan

表1 不同部位脱脂羊肉中δ13C和δ15N值

Table 1 The δ13C and δ15N values in de-fatted mutton from different parts

样品名称 Sample name 胸叉 Chest fork (n=12) 腹腩 Abdomen (n=12) 脖子 Neck (n=11) 后腿 Hind legs (n=12) 排骨 Pork ribs (n=12) δ13C (‰) -11.97±0.35a -12.14±0.38a -12.19±0.40a -12.60±0.45b -13.13±0.55c δ15N (‰) 3.25±0.43 3.37±0.26 3.15±0.51 3.23±0.43 3.52±0.39