Table 1 Hunter ’s color value of acorn (Quercus species) tea treated by steaming, drying, and roasting methods

Sample1)	Hunter’s clor value
	L	a	b
	Control	62.54±1.122)c3)	0.17±0.03a	2.97±0.13c
SR	60.92±0.73d	-0.18±0.02c	2.76±0.11d
HDR	68.98±0.05a	-0.19±0.03c	3.47±0.04a
SHDR	65.93±0.53b	0.02±0.02b	3.19±0.02b

Control, roasting; SR, steaming and roasting; HDR, hot air drying and roasting; SHDR, steaming and hot air drying and roasting.
Values are means±SD of triplicate determinations.
Different superscripts within a column (a-d) indicate significant differences (p<0.05).