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Fig. 5 | BMC Biology

Fig. 5

From: A bacterial route for folic acid supplementation

Fig. 5

Folate preparations contain PABA-glu and PABA. Concentrations of (a) PABA-glu and (b) PABA as determined by LC-MS/MS in 10 and 100 μM folic acid preparations. Samples were folic acid from Schircks, Sigma, Boots and Schircks folic acid after addition to the agar media and incubation for 4 days at 25 °C. Error bars represent standard deviation over triplicate independent preparations. Full data in Additional file 4: Table S3

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