Fig. 7

loading plot of PCA milk spectra. (A) based on the results of the blood plasma ELISA test as a reference test. (B) based on the results of the milk ELISA test a reference test. The PC1 is blue and PC2 is red.
loading plot of PCA milk spectra. (A) based on the results of the blood plasma ELISA test as a reference test. (B) based on the results of the milk ELISA test a reference test. The PC1 is blue and PC2 is red.