Reaction time (d) | Ca caffeine (mg/L) | Ca theophylline (mg/L) | Ca3-methylxanthine (mg/L) | % of caffeine degraded |
---|---|---|---|---|
3 | 994.9 ± 35.2 | 62.8 ± 11.3 | NF | 7.1 ± 2.9 |
6 | 804.1 ± 26.5 | 201.2 ± 8.4 | 28.4 ± 1.5 | 33.0 ± 2.2 |
9 | 566.3 ± 16.5 | 274.7 ± 14.7 | 38.4 ± 3.4 | 52.8 ± 1.4 |
12 | 375.3 ± 15.3 | 426.3 ± 20.8 | 68.1 ± 6.9 | 68.7 ± 1.3 |
15 | 105.0 ± 16.9 | 549.4 ± 29.3 | 178.7 ± 10.8 | 90.1 ± 3.0 |