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Glycemic index, insulinemic index, and satiety index of kefir.
MedLine Citation:
PMID:  23378456     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
OBJECTIVES: To determine glycemic, insulinemic, and satiety indices of 3 types of kefir.
METHODS: This study was divided into 3 phases. In phase 1, 50 g of available carbohydrate from low-fat strawberry kefir or orange kefir was tested, and in phase 2, low-fat plain kefir containing 25 g of available carbohydrates was tested for glycemic index (GI), in both cases compared with an equivalent amount of glucose. In phase 3, 1000-kJ portions of all 3 types of kefirs were compared with white bread with the same energy content to determine the insulinemic index (II) and satiety index (SI) of all 3 kefirs. In all phases, a single-meal, randomized crossover design was performed in which the test meals were given to healthy adults, 5 men and 5 women.
RESULTS: The total incremental plasma glucose area under the curve (iAUC) for strawberry, orange, and plain kefirs was significantly lower compared with the respective high-GI control food, which was glucose solution. However, the IIs and SIs of kefir did not differ significantly from the white bread.
CONCLUSION: Kefir is a low- to moderate-GI food; however, its II was high. Although kefir had higher water content, the SI of kefir was not significantly different from white bread.
Authors:
Kai Ling Kong; Suzanne Hendrich
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the American College of Nutrition     Volume:  31     ISSN:  1541-1087     ISO Abbreviation:  J Am Coll Nutr     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2013-02-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8215879     Medline TA:  J Am Coll Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  280-7     Citation Subset:  IM    
Affiliation:
Iowa State University, Department of Food Science and Human Nutrition, 2312 Food Science Bldg, Ames, IA 50011. shendric@iastate.edu.
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