Ratio (PAR:ASP:DIPH) | Claimed concentration (μg/mL) | % Recoverya | ||||
---|---|---|---|---|---|---|
D1 method | DWRS method | DD-RD method | ||||
PAR | ASP | DIPH | PAR | ASP | DIPH | |
1:1:1 | 10.0 | 10.0 | 10.0 | 99.42 | 98.08 | 100.18 |
1:1:0.15b | 10.0 | 10.0 | 1.5 | 99.71 | 98.58 | 100.00 |
4:1:4 | 20.0 | 5.0 | 20.0 | 101.97 | 100.17 | 98.77 |
3:2:1 | 15.0 | 10.0 | 5.0 | 101.96 | 99.56 | 99.18 |
1:3:1 | 5.0 | 15.0 | 5.0 | 101.86 | 100.01 | 100.35 |
Mean ± SD | 100.98 ± 1.300 | 99.28 ± 0.914 | 99.70 ± 0.684 |