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. 2022 Apr 12;11(8):1107. doi: 10.3390/foods11081107

Table 4.

Folate vitamers (µg/100 g DW) and total folate (expressed as µg folic acid equivalents/100 g DW) (n = 4).

Folate Vitamer RT m/z Mean Value Chemical Structure
THF
C19H23N7O6 		1.98 446.1783 22.40 ± 0.44 graphic file with name foods-11-01107-i001.jpg
5FTHF
C20H23N7O7 		2.44 474.1732 16.98 ± 0.46 graphic file with name foods-11-01107-i002.jpg
FA
C19H19N7O6 		3.35 442.147 16.57 ± 0.23 graphic file with name foods-11-01107-i003.jpg
5MTHF
C20H25N7O6 		3.42 460.1939 13.82 ± 0.13 graphic file with name foods-11-01107-i004.jpg
Total Folate content 69.77 ± 0.45

THF: 5,6,7,8-tetrahydrofolic acid; 5FTHF: 5-Formyl-5,6,7,8-tetrahydrofolic acid; FA: folic acid; 5MTHF: 5-methyl-5,6,7,8-tetrahydrofolic acid.