Parameters Initial MF UF
Mean ± SD Mean ± SD Mean ± SD
L 16.66 ± 0.03a 14.54 ± 0.01b 14.34 ± 0.03c
a 2.16 ± 0.05a 0.31 ± 0.04b 0.38 ± 0.04b
b 1.12 ± 0.01a -0.03 ± 0.04c 0.03 ± 0.04b
c 4.24 ± 0.08a 0.57 ± 0.06 b 0.70 ± 0.08b
h 29.46 ± 0.44b 34.27 ± 1.10a 33.00 ± 0.00a
A520 1.24 ± 0.21a 1.38 ± 0.04a 1.08 ± 0.03a
A700 0.22 ± 0.06a 0.19 ± 0.02a 0.14 ± 0.04a
BI 4.96 ± 0.54a 4.48 ± 0.52a 4.16 ± 0.08a
TCD 7.73 ± 0.11a 6.71 ± 0.14 b 5.73 ± 0.12c
TSS (°Brix) 15.26 ± 0.42a 15.00 ± 0.00a 13.87 ± 0.12b
TPC (mg GAE/L) 2581.37 ± 62.76a 2569.43 ± 209.90a 2370.85 ± 47.39a
Dp3,5dG (mg/L) 0.95 ± 0.12c 1.42 ± 0.02a 1.18 ± 0.01b
Cy3,5dG (mg/L) 17.96 ± 0.88a 18.92 ± 0.06a 17.53 ± 0.51a
Pg3,5dG (mg/L) 1.82 ± 0.26a 1.93 ± 0.05a 1.71 ± 0.02a
Dp3G (mg/L) 1.06 ± 0.17ab 1.21 ± 0.02a 0.91 ± 0.02b
Cy3G (mg/L) 6.71 ± 1.06b 8.30 ± 0.01a 7.30 ± 0.03ab
Pg3G (mg/L) 1.00 ± 0.37a 1.20 ± 0.01a 0.93 ± 0.02a
Total anthocyanins (mg/L) 29.50 ± 2.59b 32.97 ± 0.13a 29.56 ± 0.46b
Punicalin α (mg/L) 427.04 ± 31.14a 428.90 ± 0.10a 402.89 ± 1.83a
Punicalin β (mg/L) 276.27 ± 22.29a 280.78 ± 0.72a 260.08 ± 0.88a
Total punicalins (mg/L) 703.30 ± 53.40a 709.67 ± 0.71a 662.97 ± 2.67a
Punicalagin α (mg/L) 210.02 ± 16.59a 104.62 ± 0.54b 101.38 ± 1.51b
Punicalagin β (mg/L) 344.86 ± 18.72a 258.28 ± 2.84b 214.09 ± 0.36c
Total punicalagins (mg/L) 554.87 ± 13.39a 362.91 ± 3.39b 315.48 ± 1.21c
Ellagic acid (mg/L) 322.26 ± 61.65a 111.47 ± 1.38b 19.16 ± 0.05c
Table 4: Analyses of pomegranate juice clarified by microfiltration (MF) and ultrafiltration (UF) technologies [mean and standard deviation (SD) are given] (L, a and b: CIE (Committee International d’Eclairage) parameters; C: Chroma and h: Hue angle; A520: Absorbance at 520 nm; A700: Absorbance at 700 nm; BI, Browning index; TCD, Total color density; TSS, total soluble solids; TPC, Total phenolic content; Dp3,5dG: delphinidin 3,5-diglucoside; Cy3,5dG: cyanidin 3,5-diglucoside; Pg3,5dG: pelargonidin 3,5-diglucoside; Dp3G: delphinidin 3-O-glucoside; Cy3G: cyanidin 3-O-glucoside; Pg3G: pelargonidin 3-O-glucoside. a-cMeans within same row followed by different letters are significantly different (P ≤ 0.05).)