FFA (%) Men (n =122) Women (n = 119)
 Total SFA 28.02 (3.68) 28.67 (3.38)
C14:0 0.18 (0.03) 0.17 (0.02)
C16:0 21.94 (2.72) 22.57 (2.74)
C18:0 5.90 (2.05) 5.94 (1.62)
Total MUFA 22.56 (2.98) 21.72 (3.125)
C16:1 2.43 (0.66) 2.21 (0.42)*
C18:1 20.14 (2.85) 19.51 (3.00)
Total PUFA 49.46 (4.28) 49.66 (5.52)
Total n-3 4.30(0.98) 4.33(1.09)
C18:3 0.68 (0.30) 0.66 (0.28)
C20:5 0.20 (0.13) 0.26 (0.16)*
C22:5 0.88 (0.64) 0.96 (0.70)
C22:6 2.53 (0.64) 2.45 (0.53)
Total n-6 45.17 (4.17) 45.32 (5.10)
C18:2 35.64 (3.88) 35.61 (4.31)
γ-C-18:3 0.54 (0.11) 0.53 (0.09)
C20:3 0.67 (0.20) 0.61(0.26)
C20:4 8.31 (1.85) 8.59 (1.92)
D9D-16(16:1n-7/16:0) 0.11 (0.03) 0.10(0.02)*
D9D-18(18:1n-9/18:0) 3.88 (1.63) 3.48 (0.88)
D6D(18:3n-6/18:2 n-6) 0.015 (0.003) 0.015 (0.003)
D5D(20:4n-6/20:3 n-6) 13.20 (3.65) 15.35 (4.59)*
Abbreviations: SFA, saturated fatty acids; MUFA, monounsaturated fatty acids; PUFA, polyunsaturated fattyacids; Delta-9-desaturase (D9D); Delta-6-desaturase (D6D); Delta-5-desaturase (D5D). (ANCOVA analysis by adjustingfor alcohol consumption, 2h-PG,fasting insulin and DHEA-S; * p< 0.05.)
Table 2: Free fatty acids composition and desaturase activities in serum (mean ± SD).