Research Article
HPLC Quantitative Analysis of Main Stilbenes and Flavones in Different Parts of Matteuccia struthiopteris
Table 3
Recovery of each compound as determined by standard addition method (in rhizome) (
).
| Compound no. | Initial concentration (μg/mL) | Amount added (μg) | Concentration after addition (μg/mL) | Recovery (%) | RSD (%) | Expected | Measured |
| 1 | 143.88 | 161.30 | 305.18 | 305.97 | 100.26 | 0.75 | 2 | 90.84 | 92.23 | 183.07 | 182.94 | 99.93 | 0.78 | 3 | 6.67 | 6.40 | 13.07 | 12.82 | 98.09 | 1.26 | 4 | 12.91 | 11.73 | 24.64 | 25.11 | 101.91 | 1.01 | 5 | 8.52 | 8.09 | 16.61 | 17.18 | 103.43 | 0.72 | 6 | 23.28 | 27.87 | 51.15 | 52.97 | 103.56 | 1.00 |
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The data was present as average of six determinations.
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