Study of the Physiochemical and Nutraceutical Properties of Sour and Sweet Pomegranate Juice in Northern Jordan
Table 5
Individual phenolic contents (ppm) for different pomegranate juice samples.
Individual phenol
PJ
Sour
Sweet
A1
D1
K1
A2
D2
K2
Gallic acid
2.68 ± 0.83c
3.37 ± 1.87c
11.55 ± 1.52a
4.44 ± 0.85bc
2.94 ± 0.84c
7.14 ± 1.41b
3,4-Dihydroxyphenethyl alcohol
91.95 ± 1.38c
101.53 ± 0.07a
74.17 ± 0.07d
95.33 ± 1.74b
75.46 ± 1.07d
93.16 ± 1.30bc
Catechin
65.15 ± 1.07d
88.22 ± 2.16b
51.24 ± 1.36e
75.52 ± 1.37c
151.48 ± 1.89a
41.96 ± 0.41f
2-Hydroxyphenethyl alcohol
31.22 ± 1.42f
352.86 ± 0.07a
144.60 ± 0.14b
103.46 ± 0.96d
52.91 ± 0.47e
118.82 ± 0.27c
Chlorogenic acid
15.76 ± 0.86e
30.03 ± 0.98b
20.24 ± 1.09d
44.89 ± 1.20a
26.80 ± 0.39c
17.18 ± 0.51e
Vanillic acid
4.93 ± 1.24e
13.43 ± 0.06d
4.64 ± 0.23e
59.83 ± 0.21b
84.30 ± 0.07a
31.75 ± 0.07c
Epicatechin
81.98 ± 0.44a
13.42 ± 1.94d
47.12 ± 1.44b
8.39 ± 0.92e
23.23 ± 0.81c
16.06 ± 0.98d
Caffeic acid
16.76 ± 0.79e
36.46 ± 0.09b
23.03 ± 0.69d
43.67 ± 0.87a
34.35 ± 0.42c
22.95 ± 1.20d
Syringic acid
2.55 ± 0.79a
0.68 ± 0.52bc
0.34 ± 0.47c
0.58 ± 0.26c
2.25 ± 1.02ab
1.39 ± 0.49abc
P-Coumaric acid
22.33 ± 0.21b
20.23 ± 0.26c
24.58 ± 0.12a
15.26 ± 0.76e
16.95 ± 0.12d
14.82 ± 0.47e
Sinapic acid
26.29 ± 0.01b
38.75 ± 0.12a
18.58 ± 0.35c
n.d
n.d
n.d
Ferulic acid
4.25 ± 0.87b
8.92 ± 0.18a
3.72 ± 0.82b
4.99 ± 0.55b
3.58 ± 0.13b
4.09 ± 0.53b
Rutin
n.d
68.71 ± 0.35a
31.83 ± 0.35b
12.32 ± 0.14d
21.48 ± 0.28c
n.d
Rosmarinic acid
27.49 ± 0.21a
28.52 ± 0.41a
n.d
n.d
27.47 ± 0.79a
27.49 ± 0.71a
Quercetin
2.94 ± 0.01a
n.d
n.d
n.d
n.d
n.d
Thymol
n.d
n.d
n.d
n.d
n.d
n.d
Ellagic acid
85.09 ± 0.62d
90.98 ± 0.85b
88.02 ± 0.74c
99.37 ± 0.14a
86.25 ± 0.91cd
84.84 ± 0.97d
Delphinidin
809.15 ± 1.15b
1667.61 ± 1.41a
759.22 ± 0.56c
627.81 ± 1.05d
213.76 ± 1.04f
267.03 ± 1.43e
#All values are calculated as a wet basis and means of three replicates. Means ± SD in the same row with the same letter are not significantly different ( ≤ 0.05). A1: Ajloun sour cultivar, D1: Deir Abi Said sour cultivar, k1: Kufur Soum sour cultivar, A2: Ajloun sweet cultivar, D2: Deir Abi Said sweet cultivar, k2: Kufur Soum sweet cultivar.