Chemometric Characterization of Alembic and Industrial Sugar Cane Spirits from Cape Verde and Ceará, Brazil

Table 4

Eigenvalues and cumulative variances of the first five principal components.

Variables	PC1	PC2	PC3	PC4
Alcoholic grade	0.6044	−0.4789	0.1078	−0.0229
pH	−0.6046	0.1420	0.1327	−0.0762
Acetaldehyde	0.1308	0.5791	0.4502	0.3579
n-propanol	0.0499	0.2163	0.7784	−0.4609
Acetic acid	0.5419	−0.4954	0.0932	0.4859
Isobutanol	0.3407	0.7691	0.2454	0.1995
Isoamylic	0.6277	0.6165	−0.2626	0.2052
Higher alcohols	0.6257	0.7344	0.1686	−0.0009
Sulfate	−0.6685	0.3758	−0.0599	0.3816
Acetate	−0.4949	0.2872	0.0876	0.4114
Copper	−0.2363	0.0275	0.6527	0.2403