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Table 6 Factor loadings, eigenvalue, cumulative variance (%) and score for the first two principal (F1–F2) components based on pomegranate peel from two different drying methods

From: Effect of drying on the bioactive compounds, antioxidant, antibacterial and antityrosinase activities of pomegranate peel

Loadings F1 F2
Catechin 0.864 0.487
Epicatechin 0.930 0.363
Punicalin −0.543 0.653
Hesperedin 0.999 0.033
RSA −0.649 0.760
Vit C −0.300 −0.511
TF 0.983 0.182
TP 0.964 0.264
TT 1.000 0.014
FRAP 0.875 0.165
Rutin 0.564 0.652
p-coumaric −0.715 0.457
Lightness (L*) 0.945 0.315
Chroma (C*) −0.984 0.174
Hue angle (h°) −0.791 0.303
Redness (a*) −0.930 0.053
TCD −0.551 0.821
MCwb −0.969 0.236
RMC −0.994 −0.114
Scores
Freeze dried 6.147 0.816
 40 °C −1.067 −2.055
 50 °C −1.511 −1.356
 60 °C −3.569 2.595
  1. RSA radical scavenging activity, Vit C Vitamin C, TF total flavonoid, TP total phenolic, TT total tannin, FRAP ferric reducing antioxidant power, TCD total color difference, MC wb moisture content (wet basis), RMC residual moisture content