Table 10. Functional components contents of ginger pomace extracts according to enzyme pretreatment conditions

Samples	TP1) (mg GAE/g)	TF (mg CE/g)	6-G (mg/100 g)	8-G (mg/100 g)	10-G (mg/100 g)	6-S (mg/100 g)	8-S (mg/100 g)	10-S (mg/100 g)	Total (mg/100 g)
GP3	1.75±0.01a2)	0.42±0.01a	83.61±3.38a	1.27±0.03a	N.D.3)	N.D.	0.25±0.08c	N.D.	86.28±0.03a
GP3-1	1.16±0.05c	0.28±0.03d	47.77±1.30d	0.54±0.14d	N.D.	N.D.	0.15±0.03c	N.D.	48.52±1.37d
GP3-2	1.20±0.07c	0.29±0.02cd	57.28±0.13c	0.90±0.14c	N.D.	N.D.	0.88±0.14ab	N.D.	58.66±0.67c
GP3-3	0.94±0.09d	0.25±0.02d	46.73±2.16d	0.78±0.02cd	0.32±0.00	0.40±0.17	0.53±0.08bc	N.D.	47.99±1.56d
GP3-4	1.41±0.02b	0.38±0.01ab	46.10±5.85d	0.86±0.09cd	N.D.	N.D.	0.19±0.06c	N.D.	47.14±6.01d
GP3-5	1.44±0.05b	0.40±0.04a	63.01±1.71c	1.24±0.12ab	0.20±0.03	0.71±0.10	0.84±0.08b	N.D.	65.58±1.37c
GP3-6	1.24±0.03c	0.35±0.01b	73.02±1.41b	0.94±0.33bc	N.D.	0.40±0.25	1.26±0.48a	N.D.	75.15±2.17b
GP3-7	1.19±0.05c	0.33±0.04bc	23.44±8.17e	0.79±0.13cd	N.D.	N.D.	0.17±0.01c	N.D.	24.24±8.06e
F-value/t-value	61.318***4)	16.493***	53.100***	7.152**	5.510n.s.	2.891n.s.	12.085**	-	52.617***

TP, total polyphenol content; TF, total flavonoid content; GAE, gallic acid equivalent; CE, catechin equivalent; 6-G, 6-gingerol; 8-G, 8-gingerol; 10-G, 10-gingerol; 6-S, 6-shogaol; 8-S, 8-shogaol; 10-S, 10-shogaol; Total, sum of the 6, 8, 10 gingerol and 6, 8, 10 shogaol.
Means with different letters within the same column are significantly different from each other at p<0.05 by Duncan’s multiple range test.
N.D., not detected.
p<0.01;
p<0.001; n.s., not significant.