Table 3. Hunter’s color values of persimmon leaf tea prepared under different pH conditions
Samples1) | Parameters2) |
| L | a | b | ΔE |
pH 4 | 44.33±0.023),c | −2.54±0.02b | 10.52±0.02a | 11.66±0.02a |
pH 5 | 44.82±0.02b | −2.68±0.04a | 11.88±0.02b | 12.69±0.02b |
pH 6 | 43.24±0.03b | −1.57±0.03c | 15.21±0.02c | 16.32±0.02c |
pH 7 | 39.05±0.02a | 5.25±0.03d | 19.47±0.02d | 23.04±0.02d |
Different pH conditions were adjusted using McIlvaine buffer solution containing 10 mg/mL of persimmon leaf powder.
L, lightness; a, redness; b, yellowness.
Each value represents mean±SD (n=5).
Different superscripts within a column indicate significant differences (one-way ANOVA followed by the Duncan’s multiple range test, p<0.05).