A Novel HPLC Method for the Concurrent Analysis and Quantitation of Seven Water-Soluble Vitamins in Biological Fluids (Plasma and Urine): A Validation Study and Application

Table 7

Average concentration of individual water-soluble vitamins (±SEM) in urine samples obtained from study participants.

	C	B1	B2	B5	B6	B9	B12
Average concentration (𝑛=24), mg dL^−1	0.04	0.15	0.01	0.14	0.23	0.02	0.02
S.E.M. (mg dL^−1)	0.02	0.03	0.00	0.01	0.09	0.01	0.01
Av. Creat. (mg dL^−1)	96.86	96.86	96.86	96.86	96.86	96.86	96.86
Vitamin/creatinine ratio	0.00038	0.00153	0.00012	0.00143	0.00237	0.00020	0.00025