Table 2. pH of ginger powder according to the number of steam-drying treatments

	Number of steam-drying treatments				F-value
	0	3	6	9	F-value
pH	8.66±0.01^1)d2)	7.53±0.01^b	7.64±0.01^c	7.44±0.01^a	78,883.79^***3)

All values are mean±SD (n=4).
Different superscripts (^a-d) in the same row indicate significant differences by Duncan’s multiple range test (p<0.05).
^***p<0.001.