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).