Table 6 Precision data for endogenous vitamins in DMEM medium.

From: Simultaneous quantification of 12 water-soluble vitamins in MDCK cell culture media by eco-friendly ion-pairing reagent-free HPLC-UV

Vitamin

Intra-day

Inter-day

Retention Time RSD (%)

Peak Area RSD (%)

Retention Time RSD (%)

Peak Area RSD (%)

Vitamin B1

0.80

0.90

0.27

0.78

Vitamin B6

0.87

1.21

0.73

0.60

Nicotinamide

0.62

0.17

0.37

0.66

Vitamin B5

1.06

1.71

1.04

1.47

Folic acid

0.63

0.04

0.76

0.89

Riboflavin

0.45

0.91

0.59

0.86

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