The analysis of stable isotopes applied to the lamb meat matrix is recognized as a technique of choice not only for geographical traceability but also for verifying the correspondence between the diet provided and the prescribed one. Indeed, a large amount of information is stored in animal tissues in terms of stable isotopes relative abundances of different elements. The purpose of this review is to critically analyze all the studies carried out on lambs, focusing in particular on the isotope ratios of carbon, nitrogen, sulfur, hydrogen and oxygen of different matrices, trying to define the different ranges of variability based on the origin and diet of the lambs. Carbon is certainly the most useful for identifying the animal diet while oxygen and hydrogen confirm their ability to geographically discriminate lambs. Overall, the results of statistical models validating isotope traceability systems can reach and exceed 90% of accuracy.

应用于羊肉基质的稳定同位素分析被认为是一种首选技术，不仅可用于地理可追溯性，还可用于验证所提供的饮食与规定的饮食之间的对应关系。事实上，就不同元素的稳定同位素相对丰度而言，大量信息存储在动物组织中。这篇综述的目的是批判性地分析对羔羊进行的所有研究，特别关注不同基质的碳、氮、硫、氢和氧的同位素比，试图根据起源定义不同的变异范围。和羔羊的饮食。碳对于识别动物饮食当然是最有用的，而氧和氢则证实了它们在地理上区分羔羊的能力。全面的，