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Table 6 Determination of FPV, LDP and MFX in pharmaceutical preparations and co-formulated dosage form using the described models

From: Green chemometric-assisted UV-spectrophotometric methods for the determination of favipiravir, cefixime and moxifloxacin hydrochloride as an effective therapeutic combination for COVID-19; application in pharmaceutical form and spiked human plasma

Favipiravir®

400 mg/tablet

Moxinow®

400 & 400 mg/tablet

Co-formulated dosage form

FPV

CEF

MFX

FPV

CEF

MFX

Conc (μg/mL)

PLS

% R*

GA-PLS

% R*

Conc (μg/mL)

PLS

% R*

GA-PLS

% R*

Conc (μg/mL)

PLS

% R*

GA-PLS

% R*

Conc (μg/mL)

PLS

% R*

GA-PLS

% R*

Conc (μg/mL)

PLS

% R*

GA-PLS

% R*

Conc (μg/mL)

PLS

% R*

GA-PLS

% R*

3

97.65

99.31

3

100.59

101.24

3

98.94

99.45

3

101.46

100.60

3

102.21

98.17

3

98.20

101.13

4

101.13

98.42

4

99.79

100.96

4

101.36

100.87

4

99.73

98.84

4

101.59

97.69

4

97.48

100.45

5

100.46

100.15

5

97.56

98.54

5

101.81

98.39

5

101.34

100.44

5

101.46

97.44

5

99.32

102.24

6

99.52

99.83

6

101.47

101.63

6

100.48

101.17

6

100.86

99.99

6

101.39

97.38

6

98.38

101.24

7

100.78

100.95

7

98.12

99.75

7

99.65

100.86

7

101.34

100.46

7

101.51

97.48

7

98.79

101.68

Mean

99.91

99.73

Mean

99.51

100.42

Mean

100.45

100.15

Mean

100.94

100.07

Mean

101.63

97.63

Mean

98.43

101.35

%RSD

1.398

0.947

%RSD

1.653

1.261

%RSD

1.178

1.187

%RSD

0.713

0.722

%RSD

0.327

0.333

%RSD

0.698

0.656

  1. *Average of three determinations