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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