International Journal of Interdisciplinary Research
Table 5 Result of hydrolysis of Flos Sophorae extracted by water
Sample | Reaction time | λmax (nm) | Absorbance | Relative yield of quercetin (%) |
|---|---|---|---|---|
Untreated Flos Sophorae water extract | 357 | 2.46 | – | |
Untreated Flos Sophorae methanol extract | 358 | 1.54 | – | |
Hydrolyzed Flos Sophorae | ||||
0.5 M HCl | 30 min | 371 | 0.82 | 33.33 |
60 min | 371 | 1.28 | 52.03 | |
1 M HCl | 30 min | 371 | 1.63 | 66.26 |
60 min | 369 | 2.29 | 93.09 | |