Intake occasion affects the serum cholesterol lowering of a plant sterol-enriched single-dose yoghurt drink in mildly hypercholesterolaemic subjects
2006
Doornbos, A.M.E. | Meynen, E.M. | Duchateau, G.S.M.J.E. | Knaap, H.C.M van der | Trautwein, E.A.
Objective: To determine the impact of intake occasion (with or without a meal), and product fat level on the cholesterol-lowering efficacy of a plant sterol (PS)-enriched (3 g/day) single-dose yoghurt drink. Design: Double-blind, randomized, placebo-controlled, parallel study with a 4 weeks run-in and 4 weeks intervention period. Setting: Subjects recruited from the general community. Subjects: A total of 184 moderate hypercholesterolaemic subjects (81 men and 103 women) (age 57+/-2 years) completed the study. Interventions: The study product was a 100-g single-dose yoghurt drink with or without added PS in the form of PS esters. The subjects were randomly assigned to one of five 4-week treatments: (i) drink A (0.1% dairy fat, 2.2% total fat) with a meal, (ii) drink A without a meal, (iii) drink B (1.5% dairy fat, 3.3% total fat) with a meal, (iv) drink B without a meal and (v) placebo drink with a meal. Results: LDL-cholesterol (LDL-C) was significantly lowered when the single-dose drink was taken with a meal independent of its fat content (drink A: -9.5% (P<0.001, 95% CI: -13.8 to -5.2); drink B: -9.3% (P<0.001, 95% CI: -13.7 to -4.9)) as compared to placebo. When consumed without a meal, LDL-C was also significantly decreased (drink A: -5.1% (P<0.05, 95% CI: -9.4 to -0.8); drink B: -6.9% (P<0.01, 95% CI: -11.3 to -2.5) as compared to placebo, however the effect was significantly smaller as compared to the intake with a meal. Conclusion: These results indicate that a PS-ester-enriched single-dose yoghurt drink effectively reduces LDL-C irrespective of the fat content of the product. A substantially larger decrease in serum cholesterol concentration was achieved when the single-dose drink was consumed with a meal emphasizing the importance of the intake occasion for optimal cholesterol-lowering efficacy. Sponsorship: Unilever Research and Development, Vlaardingen, The Netherlands.
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