Document Detail

Glycaemic response to quality protein maize grits.
MedLine Citation:
PMID:  20862364     Owner:  NLM     Status:  In-Data-Review    
Background. Carbohydrates have varied rates of digestion and absorption that induces different hormonal and metabolic responses in the body. Given the abundance of carbohydrate sources in the Philippines, the determination of the glycaemic index (GI) of local foods may prove beneficial in promoting health and decreasing the risk of diabetes in the country. Methods. The GI of Quality Protein Maize (QPM) grits, milled rice, and the mixture of these two food items were determined in ten female subjects. Using a randomized crossover design, the control bread and three test foods were given on separate occasions after an overnight fast. Blood samples were collected through finger prick at time intervals of 0, 15, 30, 45, 60, 90, and 120 min and analyzed for glucose concentrations. Results. The computed incremental area under the glucose response curve (IAUC) varies significantly across test foods (P < .0379) with the pure QPM grits yielding the lowest IAUC relative to the control by 46.38. Resulting GI values of the test foods (bootstrapped) were 80.36 (SEM 14.24), 119.78 (SEM 18.81), and 93.17 (SEM 27.27) for pure QPM grits, milled rice, and rice-QPM grits mixture, respectively. Conclusion. Pure QPM corn grits has a lower glycaemic response compared to milled rice and the rice-corn grits mixture, which may be related in part to differences in their dietary fibre composition and physicochemical characteristics. Pure QPM corn grits may be a more health beneficial food for diabetic and hyperlipidemic individuals.
Leonora N Panlasigui; Cecile L T Bayaga; Erniel B Barrios; Kim L Cochon
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Publication Detail:
Type:  Journal Article     Date:  2010-08-25
Journal Detail:
Title:  Journal of nutrition and metabolism     Volume:  2010     ISSN:  2090-0732     ISO Abbreviation:  J Nutr Metab     Publication Date:  2010  
Date Detail:
Created Date:  2010-09-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101526296     Medline TA:  J Nutr Metab     Country:  Egypt    
Other Details:
Languages:  eng     Pagination:  -     Citation Subset:  -    
Philippine Women's University, School of Nutrition, Taft Avenue, Manila 1004, Philippines.
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