Table 3 The concentrations of angoroside C, cinnamic acid and harpagoside in S. ningpoensis samples using different extraction methods under their optimal conditions (mg/g ± SD, n = 3)
IRAE | MAE | USE | |
|---|---|---|---|
Angoroside C (mg/g) | |||
Batch 1 | 0.83 ± 0.007 | 0.84 ± 0.024 | 0.76 ± 0.019 |
Batch 2 | 0.81 ± 0.032 | 0.84 ± 0.009 | 0.77 ± 0.004 |
Batch 3 | 0.81 ± 0.014 | 0.75 ± 0.018 | 0.76 ± 0.007 |
Cinnamic acid (mg/g) | |||
Batch 1 | 0.76 ± 0.019 | 0.78 ± 0.004 | 0.71 ± 0.009 |
Batch 2 | 0.77 ± 0.004 | 0.76 ± 0.015 | 0.71 ± 0.001 |
Batch 3 | 0.76 ± 0.007 | 0.76 ± 0.007 | 0.71 ± 0.005 |
Harpagoside (mg/g) | |||
Batch 1 | 0.94 ± 0.006 | 0.94 ± 0.002 | 0.86 ± 0.008 |
Batch 2 | 0.94 ± 0.006 | 0.93 ± 0.007 | 0.87 ± 0.001 |
Batch 3 | 0.94 ± 0.006 | 0.95 ± 0.002 | 0.86 ± 0.007 |