Research Article
Quality Control of Mutton by Using Volatile Compound Fingerprinting Techniques and Chemometric Methods
Figure 4
Discriminant results for validation set of samples by PLS-DA model. M1–M25, 25 mutton samples that did not participate in the modeling. The labels of 5 fraud samples and 25 other kinds of meat samples correspond to the code in Figure 3, but do not participate in the modeling.