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  • Title: Comparison of the effects of plant sterol ester and plant stanol ester-enriched margarines in lowering serum cholesterol concentrations in hypercholesterolaemic subjects on a low-fat diet.
    Author: Hallikainen MA, Sarkkinen ES, Gylling H, Erkkilä AT, Uusitupa MI.
    Journal: Eur J Clin Nutr; 2000 Sep; 54(9):715-25. PubMed ID: 11002384.
    Abstract:
    OBJECTIVE: To investigate cholesterol-lowering effects of stanol ester (STAEST) and sterol ester (STEEST)-enriched margarines as part of a low-fat diet. DESIGN: According to a Latin square model randomized double-blind repeated measures design with three test margarines and three periods. SETTING: Outpatient clinical trial with free-living subjects. SUBJECTS: Thirty-four hypercholesterolaemic subjects completed the study. INTERVENTIONS: Subjects consumed three rapeseed oil-based test margarines (STAEST, STEEST and control (no added stanols or sterols)) as part of a low-fat diet each for 4 weeks. RESULTS: Mean daily intake of total plant sterols plus stanols was 2.01-2.04 g during the two test margarine periods. In reference to control, serum total cholesterol was reduced by 9.2 and 7.3% with the STAEST and STEEST margarine, respectively (P<0.001 for both). The respective reductions for low-density lipoprotein (LDL) cholesterol were 12.7 and 10.4% (P<0. 001). The cholesterol-lowering effects of the test margarines did not differ significantly. The presence of apolipoprotein E4 allele had a significant effect on LDL cholesterol response during the STAEST margarine only. Serum sitosterol and campesterol increased by 0.83 and 2.77 mg/l with the STEEST (P<0.001), respectively and decreased by 1.18 and 2.60 mg/l with the STAEST margarine (P<0.001). Increases of serum sitostanol and campestanol were 0.11 and 0.19 mg/l with the STAEST margarine (P<0.001), repsectively. No significant changes were found in serum fat-soluble vitamin and carotenoid concentrations when related to serum total cholesterol. CONCLUSIONS: STAEST and STEEST margarines reduced significantly and equally serum total and LDL cholesterol concentrations as part of a low-fat diet. SPONSORSHIP: Grant to the University of Kuopio by Raisio Benecol Ltd, Raisio, Finland.
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