1, ingredient composition analysis: by analyzing the ingredient composition of corned beef samples, it is possible to detect whether there are additives or unaffirmed ingredients. For example, detecting whether preservatives, whiteners, coloring, etc. have been added.

2. Identification of beef species: Through methods such as DNA analysis or isotope analysis, specific beef species can be identified from corned beef samples to confirm whether they are consistent with the labeled beef species.

3. Detection of additives: Through chemical analysis or instrumental testing and other methods, the additives in the corned beef samples can be analyzed qualitatively and quantitatively to detect the presence of undeclared additives or additives exceeding the specified limits. So corned beef can also be tested for authenticity. Corned beef is a food product in which beef is treated with a marinade to increase its flavor and freshness.