Fig. 4

Schematic overview of the study design, with direct transesterification steps and methods, and internal standards (IS1–C13:0 TAG; IS2–C15:1 FAME; IS3–C17:1 FAME)
Schematic overview of the study design, with direct transesterification steps and methods, and internal standards (IS1–C13:0 TAG; IS2–C15:1 FAME; IS3–C17:1 FAME)