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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