Table 4. The content (mg/g) of individual components in green tea extract by plasma treatment times
Compounds | tR (min) | Plasma treatment time (min) |
0 (control) | 20 | 40 | 60 |
Caffeine | 8.6 | 110.7±1.6b1) | 109.5±1.0b | 108.7±0.9b | 109.6±1.0b |
EGCG | 10.2 | 150.6±1.5a | 124.4±0.8b | 87.8±1.0c | 14.7±1.7e |
1 | 12.5 | ND2) | 14.2±0.6e | 18.9±0.9e | 20.4±1.1e |
2 | 13.8 | ND | ND | 12.7±0.8e | 49.9±0.7d |
All tested samples were examined in triplicated experiments. Means with different letters (a-e) within the column differ significantly (p<0.05)
ND, not detected.