Table 5 Intraday and interday precision and accuracy of HPLC-PDA method with mixture of polyphenolic compounds injected at highest concentration

9,498,108

1,587,143

2,536,193

2,519,193

4,619,983

1,549,082

9,747,582

2,579,650

1,499,363

2,429,518

782,051

15,273

15,413

18,257

20,705

34,228

15,372

66,280

14,123

11,745

8846

2835

0.161

0.971

0.720

0.822

0.741

0.992

0.680

0.547

0.783

0.364

0.363

99.9

99.8

99.7

99.4

99.7

99.5

99.7

99.8

99.0

99.9

99.9

9,488,221

1,589,559

2,529,570

2,519,830

4,625,180

1,551,030

9,751,220

2,579,215

1,496,578

2,428,618

782,443

24,151

12,751

24,681

22,101

37,601

16,210

68,152

12,489

12,930

9764

3956

0.255

0.802

0.976

0.877

0.813

1.05

0.699

0.484

0.864

0.402

0.505

99.8

99.9

99.4

99.4

99.8

99.6

99.8

99.8

98.8

99.8

100

9,501,364

1,586,062

2,541,010

2,522,814

4,629,476

1,548,746

9,743,617

2,582,113

1,503,104

2,432,157

782,007

16,429

14,829

24,319

24,128

34,215

14,814

74,613

12,056

13,689

7955

2245

0.173

0.935

0.957

0.956

0.739

0.957

0.766

0.467

0.911

0.327

0.287

99.9

99.7

99.9

99.5

99.9

99.4

99.7

99.9

99.2

100

99.9

9,495,898

1,587,588

2,535,591

2,520,612

4,624,880

1,549,619

9,747,473

2,580,326

1,499,682

2,430,098

782,167

14,065

14,331

25,336

23,613

36,348

16,041

71,681

13,849

13,280

9962

3142

0.148

0.903

0.999

0.937

0.786

1.04

0.735

0.537

0.852

0.410

0.401

99.8

99.8

99.6

99.4

99.8

99.5

99.7

99.9

99.0

99.9

100