Fatty acid composition of neutrophil glycerolipids. Fatty acid methyl esters were derived from neutrophils isolated from study participants at the start of supplementation (week 1), at the end of supplementation (week 5), and after a 2-week washout period (week 7) and total fatty acids were measured by GC. Data are expressed as mean ± S.D. *, p < 0.05; **, p < 0.01 week 1 versus week 5; †, p < 0.05; ‡, p < 0.01 week 5 versus week 7, n = 27.