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Table 1 Composition of the two intervention diets as measured by direct chemical analysis

From: Assessment of erythrocyte phospholipid fatty acid composition as a biomarker for dietary MUFA, PUFA or saturated fatty acid intake in a controlled cross-over intervention trial

  High SFA High USFA
Energy intake, EI (range, MJ/d) 10.5–15.5 10.5–16.0
EI (mean, MJ/d) 13.1 ± 0 13.2 ± 0.2
CHO, % of energy 47 ± 0.6 48 ± 0.6
Protein, % of energy 13 ± 0.7 13 ± 0.7
Fat, % of energy 40 ± 0.8 39 ± 0.8
Cholesterol (mg/d) 298 ± 2 280 ± 2
Total SFA (calculated, en%) 20 ± 0.3 15 ± 0.3
   SFA profile (g/d)   
   C10:0 Capric acid 2.2 ± 0.2 1.7 ± 0.3*
   C12:0 Lauric acid 8.7 ± 0.9 9.7 ± 1.4*
   C14:0 Myristic acid 7.8 ± 0.7 5.9 ± 0.6**
   C15:0 Pentadecanoic acid 0.8 ± 0.1 0.6 ± 0.1***
   C16:0 Palmitic acid 24.6 ± 1.3 17.8 ± 0.8***
   C17:0 Heptadecanoic acid 0.35 ± 0.04 0.42 ± 0.03***
   C18:0 Stearic acid 8.3 ± 0.4 11.3 ± 0.4***
Total MUFA (calculated, en%) 6 ± 0.2 8 ± 0.1
   MUFA profile (g/d)   
   C16:1n-7 Palmitoleic acid 1.8 ± 1.1 0.9 ± 0.8
   C18:1n-9 Oleic acid 21.3 ± 1.7 29.5 ± 1.5***
Total PUFA (calculated, en%) 14 ± 0.1 16 ± 0.2
   PUFA profile (g/d)   
   C18:2n-6 Linoleic acid [LA] 23.1 ± 1.0 30.0 ± 0.9***
   C18:3n-3 α-Linolenic acid [ALA] 1.8 ± 0.3 2.4 ± 0.3**
   C20:4n-6 Arachidonic acid [AA] 3.6 ± 0.4 4.1 ± 0.4***
   C20:5n-3 Eicosapentaenoic acid [EPA] 0.6 ± 0.1 0.6 ± 0.1
   C22:4n-6 Docosatetraenoic acid nd nd
   C22:6n-3 Docosahexaenoic acid [DHA] 0.5 ± 0.1 0.6 ± 0.1
  1. Results are the mean values for 6 duplicate portions. Mean ± sd. SFA, saturated fatty acid; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid. Minor fractions of fatty acid profiles not shown. Significantly different from high SFA diet: *P < 0.05, ** P < 0.01, ***P < 0.001, nd, not detectable