Table 5. PCA results in relation to different charcoals and different meat products by evaluation of PAHs

Parameters	PC1	PC2
Eigenvalue	14.63	1.50
Variability (%)	86.04	8.81
Cumulative (%)	49.23	87.89
Correlation
Naphthalene	0.942	–0.202
Acenaphthylene	0.968	–0.015
Acenaphthene	0.734	0.656
Fluorene	0.876	0.451
Phenanthrene	0.928	0.361
Anthracene	0.920	0.370
Fluoranthene	0.991	0.077
Pyrene	0.983	0.153
Benzo[a]anthracene	0.942	–0.202
Chrysene	0.942	–0.202
Benzo[b]fluoranthene	0.836	–0.374
Benzo[k]fluoranthene	0.942	–0.202
Benzo[a]pyrene	0.905	–0.233
Indeno[1,2,3-cd]pyrene	0.911	–0.234
Dibenzo[a,h]anthracene	0.528	0.218
Benzo[ghi]perylene	0.976	–0.199
PAH4	0.959	–0.276
PAH16	0.980	0.196

PCA, principal component analysis; PAHs, polycyclic aromatic hydrocarbons.