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Original Research Communication |
1 From the Lipid Clinic (ÅLA and LO) and the MSD Cardiovascular Research Center (MSN), National Hospital, Oslo, and the Unilever Health Institute, Unilever Research, Vlaardingen, Netherlands (FYN).
Background: Naturally occurring plant sterol esters (SEs) favorably affect serum cholesterol concentrations in humans and could aid in the treatment of children with familial hypercholesterolemia (FH).
Objective: We studied the effect of SE-enriched spread on serum lipids, lipoproteins, carotenoids, fat-soluble vitamins, and physiologic variables in children with FH aged 7–12 y.
Design: In a randomized, double-blind crossover study comprising two 8-wk interventions, 38 children with FH consumed 18.2 ± 1.5 g SE spread/d, corresponding to 1.60 ± 0.13 g SEs, or a control spread. Blood samples were analyzed at the start and end of each diet period.
Results: Plasma LDL-cholesterol concentrations decreased by 10.2% (P = 0.003) during the SE period compared with the control period. Total cholesterol and apolipoprotein B concentrations were reduced by 7.4% (P = 0.007 and P = 0.020, respectively) during the SE period. No changes were observed in HDL cholesterol, triacylglycerol, or apolipoprotein A-I. Serum concentration of lipid-adjusted lycopene decreased by 8.1% (P = 0.015) in the SE period, with no changes in the other carotenoids. Lipid-adjusted retinol and 
-tocopherol concentrations increased by 15.6% (P < 0.001) and 7.1% (P = 0.027), respectively. There was an increase (16.8%, P = 0.04) in alanine transaminase in the SE period, but this was explained by a significantly lower starting concentration in the SE period than in the control period. The children consumed a recommended American Heart Association Step I diet during both intervention periods.
Conclusion: A daily intake of 1.6 g SEs induces an additional reduction in LDL-cholesterol concentrations in children with FH consuming a recommended diet.
Key Words: Plant sterol ester • plant sterol supplement • sitosterol ester • familial hypercholesterolemia • serum cholesterol • children • LDL cholesterol
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