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Glycaemic index values in the Finnish food composition database: an approach to standardised value documentation.
MedLine Citation:
PMID:  21045854     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
BACKGROUND/OBJECTIVES: The glycaemic index (GI) is used to describe the blood glucose-raising potential of carbohydrate-containing foods. Only a few descriptions of the addition of GI values to national food composition databases (FCDBs) exist. We tested whether the value documentation framework established within the European Food Information Resource (EuroFIR) Network could be used for GI values when adding them to the Finnish FCDB.
METHODS: The list of foods requiring GI values was based on the National FINDIET 2007 Survey data and extended with foods encoded in a food-frequency questionnaire used in other nationally representative studies. The minimum quality of GI measurements was verified when gathering values from various sources, using earlier defined criteria. If a measured GI value for a food was directly available, or could be imputed or estimated, the value was added to the Finnish FCDB and documented using core standard vocabularies of EuroFIR. The GI values of composite foods were calculated using recipe calculation software.
RESULTS: A total of 2210 foods required a GI value. GI values for 1322 foods were available and added to the FCDB. The remaining 888 foods were composite foods and received a GI value through recipe calculation. The standard vocabularies describing the origin of the GI values, the methods used in their derivation and their qualitative characteristics were suitable for GI values.
CONCLUSIONS: GI values can be added to FCDBs and documented using terms similar to those used for traditional food composition data. Standardised value documentation may provide transparency for GI database compilation processes.
Authors:
N E Kaartinen; M E Similä; H Pakkala; T Korhonen; S Männistö; L M Valsta
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  European journal of clinical nutrition     Volume:  64 Suppl 3     ISSN:  1476-5640     ISO Abbreviation:  Eur J Clin Nutr     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804070     Medline TA:  Eur J Clin Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  S68-72     Citation Subset:  IM    
Affiliation:
Department of Chronic Disease Prevention, National Institute for Health and Welfare, Helsinki, Finland. niina.kaartinen@thl.fi
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