Table 3.
Quantification results obtained for GC, F7, F14 and F28 extracts. Values are means ± standard deviation (SD) of triplicate. LOD—limit of detection.
| Compound | Content (mg/100g of Dry Weight of Green Coffee Beans) | |||
|---|---|---|---|---|
| GC | F7 | F14 | F28 | |
| 5-CQA | 4944.9 ± 229.9 | 2486.7 ± 32.3 | 3198.4 ± 15.3 | 2649.0 ± 34.7 |
| 4-CQA | 562.9 ± 14.7 | 483.7 ± 3.8 | 426.2 ± 6.9 | 531.1 ± 5.5 |
| 3-CQA | 397.9 ± 13.0 | 390.7 ± 13.0 | 275.5 ± 0.3 | 429.1 ± 1.8 |
| 3.5-diCQA | 61.2 ± 0.7 | 49.9 ± 4.5 | <LOD | 71.2 ± 2.5 |
| 4.5-diCQA | 101.2 ± 2.0 | 41.5 ± 3.6 | <LOD | 61.5 ± 2.3 |
| 3.4-diCQA | 44.0 ± 0.6 | 33.7 ± 2.2 | <LOD | 50.1 ± 1.9 |
| 3-FQA | 20.7 ± 0.5 | 17.7 ± 2.7 | 9.2 ± 2.4 | 19.0 ± 0.3 |
| 4-FQA | <LOD | <LOD | <LOD | <LOD |
| 5-FQA | 544.1 ± 1.3 | 345.8 ± 5.9 | 319.3 ± 4.6 | 350.4 ± 2.7 |
| Sum of quantified phenolic compounds | 6677.0 | 3849.7 | 4228.6 | 4161.3 |
| Caffeine | 1956.1 ± 29.0 | 1403.4 ± 1.2 | 1165.3 ± 4.1 | 1349.4 ± 1.0 |
| Trigonelline | 1205.5 ± 22.1 | 922.3 ± 1.2 | 910.4 ± 1.4 | 839.8 ± 1.0 |
| Sum of quantified compounds | 9838.6 | 6175.5 | 6304.4 | 6350.6 |