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Comparable reduction in cholesterol absorption after two different ways of phytosterol administration in humans.
MedLine Citation:
PMID:  22878782     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: Consumption of phytosterols is a nutritional strategy to reduce cholesterol absorption, but the efficacy of various phytosterol intake modalities remains uncertain. The main objective was to investigate the effects of phytosterol esters (PE) provided either as a spread (dispersed in fat) during a mixed meal or as a minidrink (micro-dispersed in liquid form) after a meal. METHODS: In a randomized, single-blinded crossover design, 12 healthy intubated volunteers tested three different liquid meal sequences with and without PE. The liquid meal (500 mL, Fortisip) contained an oral dose (80 mg) of deuterium-enriched cholesterol (D7C). The intubation was stopped at 240 min, and the fate of sterols was determined in the different phases of duodenal content samples as function of time. A second solid fat-containing meal without sterols was consumed at 270 min. D7C was quantified in chylomicrons and plasma for 8 h. The conditions tested were as follows: (1) no PE added (control), (2) PE in a spread added into a liquid meal (PE-spread meal) and (3) PE given 30 min after a liquid meal as 100-g yoghurt drink (PE-minidrink meal). RESULTS: Addition of PE decreased the incorporation of cholesterol into the duodenum aqueous phase including micelles. PE added as a spread or as a minidrink significantly and comparably lowered meal cholesterol occurrence in chylomicrons (-40 % for PE-spread and -54 % for PE-minidrink, p < 0.0001) compared with the control meal. CONCLUSIONS: PE either dispersed in fat during a meal or micro-dispersed in a liquid form after a meal resulted in a markedly reduced occurrence of meal-derived cholesterol in the circulation at a comparable extent.
Authors:
Marie Josèphe Amiot; Diny Knol; Nicolas Cardinault; Marion Nowicki; Romain Bott; Claudine Antona; Patrick Borel; Jean-Paul Bernard; Guus Duchateau; Denis Lairon
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-10
Journal Detail:
Title:  European journal of nutrition     Volume:  -     ISSN:  1436-6215     ISO Abbreviation:  Eur J Nutr     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888704     Medline TA:  Eur J Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
"Nutrition, Obesity and Thrombotic Risk," INRA, UMR 1260, Université Aix-Marseille, Campus Santé La Timone, 27 Boulevard Jean Moulin, 13385, Marseille Cedex 05, France, marie-josephe.amiot-carlin@univ-amu.fr.
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