Table 3.
CIE L*, a*, and b* values for beverages containing processed tigernut extracts
| Sample | L* (lightness) | a* (redness) | b* (yellowness) |
|---|---|---|---|
| Fresh | |||
| TEO | 77.21±0.22a | 0.99±0.03c | 5.67±0.05a |
| TWG | 76.53±0.14a | 1.01±0.01c | 5.21±0.02a |
| THG | 40.47±0.21d | 7.51±0.08a | 4.36±0.05b |
| TMG | 64.32±0.17b | 2.41±0.04b | 2.07±0.03c |
| Germinated | |||
| TEO | 76.36±0.12a | 1.06±0.01c | 5.11±0.06a |
| TWG | 75.81±0.17a | 1.14±0.03c | 5.02±0.04a |
| THG | 42.08±0.26d | 6.91±0.08a | 4.32±0.02b |
| TMG | 61.11±0.31b | 2.14±0.04b | 1.99±0.03c |
| Roasted | |||
| TEO | 68.48±0.31b | 1.09±0.02c | 5.36±0.04a |
| TWG | 67.14±0.24b | 1.11±0.02c | 5.41±0.04a |
| THG | 36.42±0.16e | 8.21±0.07a | 4.44±0.04b |
| TMG | 55.29±0.21c | 2.09±0.03b | 2.01±0.03c |
Values are mean±SD (n=3). Within each column, values not sharing the same superscript letter are significantly different from one another (P<0.05) by Duncan’s multiple range test. TEO, tigernut extract only; TWG, tigernut/water/ginger; THG, tigernut/hibiscus extract/ginger; TMG, tigernut/moringa extract/ ginger.