Table 5. Total polyphenol content of hot-water extract from dried persimmon leaves treated with steaming and freezing

Sample¹⁾	Total polyphenols (mg/100 mL)
Control	45.71±1.56^b2)
ST	50.30±0.46^a
FT	32.43±0.60^c

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 a column followed by different superscript letters are significantly different by Duncan’s multiple range test (p<0.05).