Table 2.

Comparison of phenolic acid and catechin contents in persimmon juice harvested from different regions of Korea

Phenolic acid composition	Phenolic acid contents (mg/kg)1)
	Sancheong	Hadong	Sacheon	Jinju	Yeongam	Gurye
Gallic acid	11.80 ± 0.92	15.16 ± 0.95	13.10 ± 10.25	10.83 ± 0.94	14.50 ± 0.87	12.98 ± 7.45
Protocatechuic acid	4.02 ± 0.55	2.01 ± 2.07	4.45 ± 0.79	5.59 ± 0.35	5.65 ± 0.34	4.32 ± 0.52
Tannic acid	3.16 ± 0.43	5.02 ± 0.29	3.30 ± 0.71	4.28 ± 0.19	2.11 ± 0.20	4.33 ± 0.39
p-Hydroxybenzoic acid	4.89 ± 0.81	6.27 ± 0.73	4.09 ± 0.95	5.49 ± 0.53	4.67 ± 0.12	4.41 ± 0.31
Vanillic acid	5.27 ± 0.97	7.38 ± 0.86	4.87 ± 1.03	3.11 ± 0.67	5.77 ± 0.19	4.93 ± 0.26
Chlorogenic acid	ND2)	ND	ND	ND	ND	ND
Caffeic acid	ND	ND	ND	ND	ND	ND
p-Coumaric acid	ND	ND	0.98 ± 0.23	1.94 ± 0.19	ND	1.23 ± 0.10
Ferulic acid	5.58 ± 0.73	6.43 ± 0.25	4.10 ± 0.64	5.91 ± 0.73	6.73 ± 0.07	4.47 ± 0.27
Catechin composition	Catechin contents (mg/kg)
	Sancheong	Hadong	Sacheon	Jinju	Yeongam	Gurye
Epigallocatechin	11.34 ± 0.72	11.19 ± 0.61	11.55 ± 0.97	10.98 ± 0.47	12.77 ± 0.62	12.28 ± 0.47
Catechin	21.39 ± 1.54	24.62 ± 1.29	23.68 ± 2.11	23.84 ± 0.23	30.55 ± 2.35	25.58 ± 1.75
Epicatechin	9.15 ± 1.27	12.02 ± 0.93	7.63 ± 0.39	8.15 ± 0.61	13.65 ± 0.51	12.16 ± 0.41
Epigallocatechin gallate	9.87 ± 0.79	10.60 ± 0.75	9.95 ± 0.53	5.98 ± 0.35	11.32 ± 0.93	11.18 ± 0.54
Gallocatechin gallate	4.51 ± 0.35	5.04 ± 0.27	2.37 ± 0.13	2.84 ± 0.19	5.65 ± 0.49	5.75 ± 0.36
Epicatechin gallate	335.15 ± 13.98	367.05 ± 12.67	186.74 ± 9.76	106.81 ± 3.75	153.03 ± 0.25	176.94 ± 7.35
Catechin gallate	124.38 ± 5.74	97.44 ± 3.82	83.37 ± 3.62	52.74 ± 1.82	70.14 ± 5.77	99.00 ± 4.93

¹⁾All values are presented as the mean ± SD of triplicate determinations.

²⁾ND: not detected.