Table 5. Factor loadings of the eleven variables used in the principal component analysis on the first two principal components (PC1, PC2).

Variable	PC1	PC2
FRAP_F	0.795	−0.012
FRAP_B	0.781	−0.334
DPPH_F	0.791	−0.185
DPPH_B	0.778	0.118
F/P	0.616	−0.756
TNF	0.651	0.570
TNB	0.479	0.850
ML	−0.179	−0.347
RL	0.836	−0.036
MC	0.503	−0.785
RC	0.754	−0.250
Eigenvalue	3.506	1.747
% of variance	50.1	25.0

FRAP_F = FRAP activity of free polyphenol fraction; FRAP_B = FRAP activity of bound polyphenol fractions; DPPH_F = DPPH activities of free polyphenol fraction, DPPH_B = DPPH activities of bound polyphenol fraction; F/P = ratio of total flavonoids on total polyphenols, TNF = total number of free polyphenol species (including isomeric forms), TNB = total number of bound polyphenol species (including isomeric forms); ML = MTT viability test on leukemic cell line; RL = ROS test on leukemia cell line; MC = MTT viability test on cardiomyocytes; RC = ROS test on cardiomyocytes.