Table 4. Color value of hot-water extract from dried persimmon leaves treated with steaming and freezing

Sample1)	Color value
	L*	a*	b*
Control	22.64±0.47b2)	0.94±0.09a	4.87±0.37a
ST	24.34±0.62a	−0.36±0.06c	4.34±0.29a
FT	23.10±0.08b	0.63±0.03b	5.11±0.67a

Control, non-treated before drying for 12 h at 50°C; ST, treated with steam for 30 sec at 100°C; FT, treated with cold air for 15 days at -20°C. The dried persimmon leaf powder (2 g) was extracted with hot-water (200 mL).
Means±SD (n=3) in the same column followed by different superscript letters are significantly different by Duncan’s multiple range test (p<0.05).