Functional groups | Quantity (mmol/g) | |
CA-1 | CA-2 | |
Carboxylic (-COOH) | 0.15 | 1.07 |
Phenolic (-AR-OH) | 0.95 | 1.24 |
Lactones (-COOR) | 0.05 | 1.50 |
Basic groups | 2.60 | 1.40 |