Table 2 Content of compounds in different extract solvent compositions
From: Anti-diabetic functional food with wasted litchi seed and standard of quality control
Solvent composition (EtOH/water) (%) | Protocatechuic acid (mg/g) | Pavetannin B2 (mg/g) | Procyanidin A2 (mg/g) | 5-p-coumaroylquinic acid (mg/g) |
|---|---|---|---|---|
30 | 34.72 | 130.55 | 107.09 | 288.21 |
50 | 36.20 | 154.62 | 113.86 | 300.76 |
70 | 31.92 | 117.36 | 80.75 | 228.38 |
100 | 11.89 | 27.04 | 25.97 | 55.82 |