Table 3.
PA, WA, and BRS aqueous fractions MALDI-TOF [M+Na]+ mass spectra.
| PA | WA | BRS | |||||
|---|---|---|---|---|---|---|---|
| DP | Predicted [M + Na]+ (Da) |
Observed [M + Na]+ (Da) | Observed [M + Na]+ (Da) | Observed [M + Na]+ (Da) | Monomeric Units | ||
| (epi)catechin | (epi)gallocatechin | Galloyl | |||||
| 3 | 889.8 | 889.7 | 889.9 | 889.6 | 3 | 0 | 0 |
| 905.8 | 904.8 | 905.8 | 905.5 | 2 | 1 | 0 | |
| 4 | 1178.0 | 1177.8 | 1178.2 | 1177.9 | 4 | 0 | 0 |
| 1194.0 | 1193.3 | 1194.2 | 1193.8 | 3 | 1 | 0 | |
| 1330.1 | 1329.4 | - | 1330.0 | 4 | 0 | 1 | |
| 5 | 1466.3 | 1466.1 | 1466.6 | 1466.2 | 5 | 0 | 0 |
| 1482.3 | 1481.5 | 1482.8 | 1482.0 | 4 | 1 | 0 | |
| 1618.4 | 1618.6 | - | 1618.3 | 5 | 0 | 1 | |
| 6 | 1754.5 | 1754.5 | 1755.7 | 1754.4 | 6 | 0 | 0 |
| 1770.5 | 1770.0 | 1771.3 | 1770.1 | 5 | 1 | 0 | |
| 1906.6 | 1906.5 | - | 1906.4 | 6 | 0 | 1 | |
| 7 | 2042.8 | 2042.6 | 2043.9 | 2042.7 | 7 | 0 | 0 |
| 2058.8 | 2058.0 | 2060.1 | 2058.6 | 6 | 1 | 0 | |
| 2194.9 | 2193.4 | - | 2194.4 | 7 | 0 | 1 | |
| 8 | 2331.0 | 2330.8 | 2332.6 | 2330.9 | 8 | 0 | 0 |
| 2347.0 | 2346.0 | 2347.8 | 2346.3 | 7 | 1 | 0 | |
| 2483.1 | 2483.5 | - | 2483.5 | 8 | 0 | 1 | |
| 9 | 2619.3 | 2619.0 | 2621.3 | 2619.1 | 9 | 0 | 0 |
| 2635.3 | 2634.3 | 2636.4 | 2634.4 | 8 | 1 | 0 | |
| 2771.4 | 2771.0 | - | 2770.9 | 9 | 0 | 1 | |
| 10 | 2907.6 | 2907.0 | 2907.5 | 2907.1 | 10 | 0 | 0 |
| 2923.5 | 2921.9 | 2924.6 | 2922.6 | 9 | 1 | 0 | |
| 3059.6 | 3058.1 | - | 3059.7 | 10 | 0 | 1 | |
| 11 | 3195.8 | 3195.4 | 3196.2 | 3195.1 | 11 | 0 | 0 |
| 3211.8 | 3211.0 | - | 3210.6 | 10 | 1 | 0 | |