Table 1.
Changes in the caffeine and 5-caffeoylquinic acid contents of the different types of coffee bean according to the roasting condition
Roasting conditions | Content of caffeine (mg/g) | Content of 5-caffeoylquinic acid (mg/g) |
CS1) | EY | IM | IMM | CS | EY | IM | IMM |
Raw | 11.71±0.472) | 9.58±0.65 | 11.91±0.60 | 13.90±0.70 | 37.68±2.48 | 36.70±1.12 | 34.74±0.39 | 46.64±0.87 |
200°C | 10 min | 11.68±0.57 | 9.08±0.42 | 11.77±0.52 | 13.40±0.30 | 14.56±0.99 | 15.36±0.41 | 13.05±1.02 | 15.45±0.13 |
15 min | 11.00±0.26 | 8.45±0.48 | 11.34±0.68 | 13.01±0.25 | 10.87±0.18 | 11.66±2.25 | 11.49±2.26 | 13.68±0.21 |
20 min | 9.82±0.22 | 8.01±0.24 | 10.81±0.64 | 12.98±0.16 | 9.58±0.23 | 9.04±0.17 | 9.15±0.17 | 9.89±0.04 |
250°C | 10 min | 11.68±0.79 | 8.78±0.47 | 11.17±0.39 | 13.48±0.41 | 7.39±0.31 | 7.97±0.87 | 7.91±0.18 | 8.00±0.10 |
15 min | 9.01±1.18 | 8.68±0.20 | 10.85±0.75 | 13.22±0.11 | 6.10±1.00 | 6.47±0.05 | 5.69±0.22 | 7.19±0.08 |
20 min | 8.42±0.52 | 8.61±0.48 | 10.84±0.22 | 12.99±0.21 | 4.50±0.41 | 5.05±0.11 | 5.22±0.29 | 5.13±0.24 |
CS, Colombia supremo; EY, Ethiopia yirgacheffee G2; IM, Indonesia mandhelingG1; IMM, India monsooned malabar AA.
The values represent the mean±SD (n=3).