Published 02.09.2020

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Publication details

Journal : British Journal of Nutrition , p. 1–11 , Wednesday 2. September 2020

Publisher : Cambridge University Press

International Standard Numbers :
Printed : 0007-1145
Electronic : 1475-2662

Publication type : Academic article

Contributors : Gaundal, Line; Myhrstad, Mari; Leder, Lena; Byfuglien, Marte Gjeitung; Gjøvaag, Terje; Rud, Ida; Retterstøl, Kjetil; Holven, Kirsten Bjørklund; Ulven, Stine Marie; Telle-Hansen, Vibeke

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Replacing intake of SFA with PUFA reduces serum cholesterol levels and CVD risk. The effect on glycaemic regulation is, however, less clear. The main objective of the present study was to investigate the short-term effect of replacing dietary SFA with PUFA on glycaemic regulation. Seventeen healthy, normal-weight participants completed a 25-d double-blind, randomised and controlled two-period crossover study. Participants were allocated to either interventions with PUFA products or SFA products (control) in a random order for three consecutive days, separated by a 1·5-week washout period between the intervention periods. Glucose, insulin and TAG were measured before and after an oral glucose tolerance test. In addition, fasting total cholesterol, NEFA and plasma total fatty acid profile were measured before and after the 3-d interventions. Fasting and postprandial glucose, insulin, and TAG levels and fasting levels of NEFA and plasma fatty acid profile did not differ between the groups. However, replacing dietary SFA with PUFA significantly reduced total cholesterol levels by 8 % after 3 d (P = 0·002). Replacing dietary SFA with PUFA for only 3 d has beneficial cardio-metabolic effects by reducing cholesterol levels in healthy individuals.