Table 6.
The % of moisture and free water contents per dry sample weight of duckweed sample 12 which was dried under different temperature and time conditions in a tray drier.
| Drying condition |
% Moisture | Water Activity | |
|---|---|---|---|
| Temperature (°C) | Time (h) | ||
| 50 | 4 | 4.008 ± 0.63b | 0.411 ± 0.01bc |
| 5 | 3.502 ± 0.11b | 0.408 ± 0.03b | |
| 6 | 2.174 ± 0.42a | 0.393 ± 0.03ab | |
| 60 | 4 | 4.156 ± 0.26b | 0.464 ± 0.01d |
| 5 | 3.834 ± 0.23b | 0.448 ± 0.01d | |
| 6 | 1.687 ± 0.17a | 0.374 ± 0.00a | |
| 70 | 4 | 3.942 ± 0.13b | 0.448 ± 0.01d |
| 5 | 3.752 ± 0.87b | 0.439 ± 0.01cd | |
| 6 | 1.794 ± 0.27a | 0.382 ± 0.00ab | |
Note: *Results are shown as the mean ± standard deviation of three iterations (n = 3) with different letters a–h in the same column (P < 0.05) (Duncan's New Multiple Range Test).