Table 12. Functional components contents of ginger pomace extracts based on enzyme pretreatment time

Samples	Pretreatment time (h)	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	2	1.39±0.09b2)	0.34±0.02b	56.17±2.51b	1.61±0.25	N.D.3)	N.D.	0.69±0.05a	N.D.	57.57±3.58c
	4	1.42±0.04b	0.33±0.02b	59.51±0.09b	1.28±0.08	N.D.	N.D.	0.68±0.08a	N.D.	61.45±0.27bc
	10	1.39±0.02b	0.33±0.01b	62.15±1.52b	1.49±0.09	N.D.	N.D.	0.63±0.06a	N.D.	64.26±1.48b
	24	1.75±0.01a	0.42±0.01a	83.61±3.38a	1.27±0.03	N.D.	N.D.	0.25±0.08b	N.D.	86.28±0.03a
F-value		32.165***4)	21.529***	64.596***	2.794n.s.	-	-	17.056**	-	88.057***

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.