Research Article

Total Active Compounds and Mineral Contents in Wolffia globosa

Table 3

The contents of all minerals in W. globosa and their validation results.

ParametersFeKCaMgZnNa

Range (μg/milliliter)1.60–4.800.80–4.000.80–4.000.032–0.8000.40–2.000.48–3.84

Linearity
 Regression equationy = 0.039x − 0.424y = 0.231x + 0.281y = 0.052x + 0.094y = 0.981x + 0.073y = 0.267x + 0.109y = 0.210x + 0.090
 Coefficient of determination0.99710.99230.99880.99380.99270.9943

Percentage recovery99.33 ± 2.85100.49 ± 10.71100.99 ± 2.83101.84 ± 4.87101.50 ± 5.18103.39 ± 6.54

Precision (% RSD)
 Within-day0.00–1.891.18–1.702.32–3.760.49–4.570.00–0.911.01–2.98
 Between-day0.00–2.791.43–2.810.33–0.761.09–3.780.49–2.210.56–5.56
 Limit of detection (μg/milliliter)0.0370.0030.0160.0010.0090.009
 Limit of quantitation (μg/milliliter)0.1200.0120.0580.0050.0300.030

Amount
 Wet sample (mg/g)0.419 ± 0.0201.007 ± 0.0440.059 ± 0.0061.447 ± 0.3210.425 ± 0.0201.087 ± 0.543
 Dry sample (mg/g)0.137 ± 0.0110.279 ± 0.0360.282 ± 0.0540.937 ± 0.0760.001 ± 0.0000.647 ± 0.259