Table 3
Contents of trigonelline, caffeine and chlorogenic acid of coffee extracts
(mg/L)
| Samples1) | Trigonelline | Caffeine | Chlorogenic acid |
| G | N | 579.65±2.08e2) | 557.27±4.78d | 3080.07±23.85b |
| I | 895.20±2.62a | 825.85±8.52a | 3836.94±110.99a |
| F | 635.27±5.72d | 640.04±9.47b | 2634.53±117.00c |
| B | 641.86±0.68c | 586.18±1.54c | 3152.57±60.13b |
| S | 687.22±0.55b | 645.72±8.71b | 2996.94±124.45b |
| R | N | 464.48±2.56a | 606.29±6.66c | 629.26±37.99a |
| I | 402.40±1.65c | 645.26±3.21b | 544.60±28.20bc |
| F | 447.35±5.62b | 642.98±1.22b | 603.23±41.50ab |
| B | 341.51±0.64e | 431.75±1.45d | 517.09±29.33c |
| S | 330.81±5.27d | 670.48±0.94a | 392.44±29.34d |
1)G, green bean; R, roasted bean; N, non-defective; I, immature; F, fungus; B, broken; S, sour.
2)Means±SD (n=3) with different letters are significantly different at 5% level.