Table 1.
The inhibitory activity on rat alpha-glucosidase by 12 GTEs infused with 70% EtOH (25 °C, 24 h), RT H2O (25 °C, 24 h), and Hot H2O (90 °C, 1.5 min) (1).
| Area | Breed | Inhibitory Activity (%) | ||
|---|---|---|---|---|
| 70% EtOH (25 °C, 24 h) | H2O (25 °C, 24 h) | H2O (90 °C, 1.5 min) | ||
| Nishinoomote | Kuritawase | 97.0 ± 0.6 c | 91.1 ± 2.9 c | 72.9 ± 0.9 a |
| Saemidori | 92.6 ± 1.9 b | 92.2 ± 1.6 c | 81.6 ± 0.4 cde | |
| Yabukita | 96.5 ± 0.8 c | 92.9 ± 1.4 c | 78.1 ± 0.4 c | |
| Chiran | Yutakamidori | 82.5 ± 1.9 a | 91.3 ± 0.7 c | 77.9 ± 0.7 c |
| Saemidori | 86.3 ± 2.0 a | 81.4 ± 3.2 ab | 79.0 ± 0.5 cd | |
| Yabukita | 93.1 ± 1.0 bc | 79.8 ± 7.0 a | 84.9 ± 0.3 e | |
| Ariake | Yutakamidori | 94.4 ± 0.7 bc | 89.5 ± 1.1 bc | 80.0 ± 0.3 cd |
| Saemidori | 95.1 ± 0.6 bc | 86.7 ± 0.9 abc | 83.2 ± 0.9 de | |
| Yabukita | 95.4 ± 0.2 bc | 91.1 ± 1.0 c | 79.3 ± 1.7 cd | |
| Mizobe | Semidry | 93.8 ± 0.3 bc | 92.9 ± 1.0 c | 73.1 ± 2.4 ab |
| Asanoka | 95.4 ± 0.3 bc | 92.3 ± 1.2 c | 78.5 ± 2.2 cd | |
| Yabukita | 96.3 ± 0.1 bc | 88.4 ± 1.4 abc | 77.8 ± 2.1 bc | |
| Mean ± SD | 93.2 ± 4.21 a | 89.1 ± 4.23 a | 78.7 ± 3.37 b | |
(1) GTEs of all infusion methods were diluted two-fold to measure the inhibitory activity of GTEs infused using the three methods. The numerical values with different letters significantly differ (p < 0.05) in the same column. In the “Mean ± SD” row, the numerical values with different letters significantly differ (p < 0.05).