Table 4 Analysis results of ET and TC in commercial mixture products (Etotio® tablets) using the multivariate calibration methods (PLS, PCR, and ILS)
Commercıal preparation | Method | Active substance | Mean ± SD | Recovery % | RSD % |
|---|---|---|---|---|---|
Etotio® tablets | PLS | ET (400 mg) | 396.5 ± 14.21 | 99.12 | 3.583 |
TC (8 mg) | 7.919 ± 0.284 | 98.98 | 3.591 | ||
PCR | ET (400 mg) | 395.57 ± 10.26 | 99.39 | 2.582 | |
TC (8 mg) | 7.94 ± 0.326 | 99.25 | 4.099 | ||
ILS | ET (400 mg) | 393.31 ± 4.23 | 98.33 | 1.08 | |
TC (8 mg) | 7.89 ± 0.24 | 98.73 | 3.08 |