Table 1.
Yield and sugar and phenolic composition of melanoidins and melanoidins population isolated from instant soluble coffee and instant soluble barley.
| Yield | Sugars (g/100 g) | Phenolic Compounds (g caffeic acid equivalents/100 g) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fuc | Rha | Ara | Xyl | Gal | Glc | Man | Total | Adsorbed | Esterified | Condensed | Total | ||
| Coffee | |||||||||||||
| HMWM | 34.8 | 0.41 ± 0.19 | 0.92 ± 0.11 | 3.39 ± 0.05 | 0.64 ± 0.25 | 37.97 ± 1.7 | 2.05 ± 0.45 | 13.47 ± 0.44 | 58.84 ± 3.1 | n.d | 0.50 ± 0.04 | 16.6 ± 0.4 | 17.1 ± 0.4 |
| Et50 | 8.3 | 0.61 ± 0.05 | 0.42 ± 0.04 | 0.98 ± 0.03 | 0.19 ± 0.05 | 10.24 ± 0.02 | 1.81 ± 0.04 | 56.02 ± 0.04 | 70.26 ± 2.3 | n.d | 0.15 ± 0.04 | 6.5 ± 0.3 | 6.7 ± 0.3 |
| Et75 | 49.5 | 0.31 ± 0.00 | 0.70 ± 0.05 | 3.35 ± 0.06 | 0.29 ± 0.04 | 47.44 ± 1.3 | 1.74 ± 0.11 | 8.79 ± 0.14 | 62.61 ± 1.7 | n.d | 0.22 ± 0.03 | 3.8 ± 0.2 | 4.0 ± 0.2 |
| EtSn | 42.3 | 0.34 ± 0.04 | 1.01 ± 0.09 | 3.38 ± 0.03 | 0.34 ± 0.04 | 30.48 ± 0.84 | 1.30 ± 0.14 | 6.10 ± 0.15 | 42.98 ± 1.2 | n.d | 0.21 ± 0.0 | 14.4 ± 0.2 | 14.6 ± 0.2 |
| Barley | |||||||||||||
| HMWM | 55.8 | 0.48 ± 0.04 | 0.89 ± 0.54 | 0.35 ± 0.01 | 1.03 ± 0.36 | 0.99 ± 0.09 | 88.48 ± 2.3 | 0.64 ± 0.18 | 92.86 ± 3.5 | n.d | 0.002 ± 0.002 | 8.3 ± 0.3 | 8.3 ± 0.3 |
| Et50 | 3.3 | – | – | – | – | – | – | – | – | – | – | – | – |
| Et75 | 2.6 | 0.05 ± 0.02 | 0.09 ± 0.05 | 0.04 ± 0.00 | 0.07 ± 0.01 | 0.09 ± 0.02 | 7.31 ± 0.48 | 0.05 ± 0.02 | 7.70 ± 0.38 | n.d | n.d | 2.2 ± 0.2 | 2.2 ± 0.2 |
| EtSn | 94.2 | 0.43 ± 0.11 | 0.66 ± 0.05 | 0.39 ± 0.09 | 0.85 ± 0.40 | 0.72 ± 0.09 | 76.13 ± 5.0 | 0.97 ± 0.22 | 80.15 ± 4.3 | n.d | n.d. | 3.0 ± 0.3 | 3.0 ± 0.3 |
n.d., not detected; –, not analysed due to low amount of material obtained.