OMB Meeting Book_9-11-14

ISO/WD

Figure B.2 — Example of GC chromatogram (enlarged view of C18:1 TFA, C18:2 TFA, C18:3 TFA and CLA) using on-column injection

C18:0 (stearic acid)

t Δ4

C18:1 TFA C18:2 TFA C18:3 TFA

t Δ5

t Δ6-8

t Δ9

t Δ11

t Δ10

t Δ12

t Δ13,14 (cΔ6-8)

cΔ11

t Δ15

C18:1 cΔ9 (oleic acid) + cΔ10

cΔ12

cΔ13

t Δ16 (cΔ14)

C19:0

cΔ15

C18:2 cΔ12 (linoleic acid)

C20:0 (arachidic acid)

C20:1 (eicosenoic acid isomers)

C18:3 cΔ15 (α-linolenic acid)

C18:2 cΔ9, t 11 (conjugated linoleic acid)

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