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    Duplicaat 24-uurs voedingonderzoek 1994 sterolen ; methode ontwikkeling en inname per persoon per dag

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    Authors
    Jekel AA
    Vaessen HAMG
    Schothorst RC
    Series/Report no.
    RIVM Rapport 515004003
    Type
    Report
    Language
    nl
    
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    Title
    Duplicaat 24-uurs voedingonderzoek 1994 sterolen ; methode ontwikkeling en inname per persoon per dag
    Translated Title
    Duplicate 24-hour diet study 1994 Sterols ; method development and intake per person per day
    Publiekssamenvatting
    In spring and fall 1994, 123 respondents participated in duplicate 24-hour diet study. Each respondent collected one duplicate of the food and drinks, including drinking water he/she consumed in a continuous 24-hour period. A gas chromatographic method was developed and validated for the determination of sterols. The sterols in the extract are determined by GCGC with FID. Lyophilised subsamples were analysed for cholesterol, coprosterol, brassicasterol, campesterol, stigmasterol and beta-sitosterol content. From these data the sterol intake per capita per day was calculated. The average intake was: for cholesterol 202 mg/person/day, for brassicasterol 1 mg/person/day, for campesterol 27 mg/person/day, for stigmasterol 15 mg/person/day and for beta-sitosterol 102 mg/person/day. The coprosterol intake was below the limit of determination for all samples. The average intake for the plantsterols was 146 mg/person/day and the average total sterol intake was 348 mg/person/day. The cholesterol intake of 32 respondents was above the recommendation of the Netherlands Food and Nutrition Council of a maximum of 33 mg/MJ. The average intake of cholesterol of 25 mg/MJ is below this recommendation. The total sterol intake found in this study corresponds well with the results found in the 1984/1985 duplicate diet study. The sterol intake in mg/MJ found in this study corresponds well with the results from the Dutch National Food Consumption Survey and the Market Basket study.
    In het voor- en najaar van 1994 hebben 123 respondenten deelgenomen aan een duplicaat voedingenonderzoek. Elke respondent verzamelde een duplicaat van zijn voeding, inclusief drank en drinkwater, in een aaneengesloten periode van 24 uur. Voor het bepalen van de sterolen is een gaschromatografische methode ontwikkeld en gevalideerd. De sterolen in het cyclohexaanextract werden bepaald met behulp van GCGC met FID detectie. Gevriesdroogde deelmonsters zijn onderzocht op het gehalte aan cholesterol, coprosterol, brassicasterol, campesterol, stigmasterol en beta-sitosterol. De gemiddelde inname aan cholesterol bedroeg 202 mg/persoon/dag, aan brassicasterol 1 mg/persoon/dag, aan campesterol 27 mg/persoon/dag, aan stigmasterol 15 mg/persoon/dag en aan beta-sitosterol 102 mg/persoon/dag. Coprosterol is in geen enkel monster aangetoond. De gemiddelde inname aan plantsterolen bedroeg 146 mg/persoon/dag en de gemiddelde totale inname aan sterolen was 348 mg/persoon/dag. Van 32 respondenten was de cholesterolinname hoger dan de huidige aanbeveling van de Voedingsraad van maximaal 33 mg/MJ. De gemiddelde inname aan cholesterol bleef met 25 mg/MJ echter onder deze aanbeveling. De nu bepaalde totale inname aan sterolen kwam goed overeen met de in het 24-uurs duplicaatvoedingenonderzoek van 1984/1985 gevonden inname. Wordt de inname aan sterolen uitgedrukt per energie-eenheid, dan komen de resultaten van de studie goed overeen met die van onderzoeken gebaseerd op Voedselconsumptiepeiling (VCP) en het Market Basket onderzoek.
    Publisher
    Rijksinstituut voor Volksgezondheid en Milieu RIVM
    URI
    http://hdl.handle.net/10029/10090
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