Document Detail

A provisional database for the silicon content of foods in the United Kingdom.
MedLine Citation:
PMID:  16277785     Owner:  NLM     Status:  MEDLINE    
Si may play an important role in bone formation and connective tissue metabolism. Although biological interest in this element has recently increased, limited literature exists on the Si content of foods. To further our knowledge and understanding of the relationship between dietary Si and human health, a reliable food composition database, relevant for the UK population, is required. A total of 207 foods and beverages, commonly consumed in the UK, were analysed for Si content. Composite samples were analysed using inductively coupled plasma-optical emission spectrometry following microwave-assisted digestion with nitric acid and H(2)O(2). The highest concentrations of Si were found in cereals and cereal products, especially less refined cereals and oat-based products. Fruit and vegetables were highly variable sources of Si with substantial amounts present in Kenyan beans, French beans, runner beans, spinach, dried fruit, bananas and red lentils, but undetectable amounts in tomatoes, oranges and onions. Of the beverages, beer, a macerated whole-grain cereal product, contained the greatest level of Si, whilst drinking water was a variable source with some mineral waters relatively high in Si. The present study provides a provisional database for the Si content of UK foods, which will allow the estimation of dietary intakes of Si in the UK population and investigation into the role of dietary Si in human health.
J J Powell; S A McNaughton; R Jugdaohsingh; S H C Anderson; J Dear; F Khot; L Mowatt; K L Gleason; M Sykes; R P H Thompson; C Bolton-Smith; M J Hodson
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The British journal of nutrition     Volume:  94     ISSN:  0007-1145     ISO Abbreviation:  Br. J. Nutr.     Publication Date:  2005 Nov 
Date Detail:
Created Date:  2005-11-09     Completed Date:  2005-12-13     Revised Date:  2007-08-13    
Medline Journal Info:
Nlm Unique ID:  0372547     Medline TA:  Br J Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  804-12     Citation Subset:  IM    
MRC Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK.
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MeSH Terms
Beverages / analysis
Bread / analysis
Databases, Factual*
Food Analysis / methods*
Great Britain
Silicon / analysis*
Grant Support
//Wellcome Trust
Reg. No./Substance:

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