in hexane and the quantification of single FFA was done from
calibration curves obtained from standards. The ranges of the calibration
curves for linoleic, oleic, stearic and palmitic acids were
61.2–611.7 lg/mL, 38.2–519.7 lg/mL, 45.1–451.1 lg/mL and
85.4–854.6 lg/mL, respectively.