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Year : 2012  |  Volume : 3  |  Issue : 1  |  Page : 1

Adjusting the amount and type of carbohydrate in a meal strongly reduced the postprandial glycemic response in Pakistani immigrant women

Section of Preventive Medicine and Epidemiology, University of Oslo, Norway

Correspondence Address:
M.S.H. Lunde
Section of Preventive Medicine and Epidemiology, University of Oslo, Norway. Box 1130, Blindern, 0318, Oslo, Norway

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Source of Support: None, Conflict of Interest: None

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Ethnic minorities living in developed countries have a high prevalence of Type 2 Diabetes (T2D). Applying a crossover design, blood glucose was determined every 15 min after intake of various types and amounts of food; cornflakes with milk, chickpeas with tomato and onion or bread, in twenty female Pakistani immigrants living in Norway. Sustained elevated postprandial glycaemia (PPG) was found after intake of cornflakes providing 75g available carbohydrates (CHO). Intake of cornflakes giving 25g CHO reduced the blood glucose peak value (PV) by 11% (p=0.008) and Incremental Area Under the 2-h blood glucose vs. time Curve (IAUC) by 51% (p=0.003). IAUC was reduced by 40% (p=0.001) when bread intake was lowered by 50%. PPG was also lowered after intake of 50g CHO as chickpeas spiced with tomato and onion, compared with the intake of same amount of available CHO, as corn flakes with milk. Change to chick pea type of CHO resulted in a reduction in PV (15.7%, p=0.0001), and IAUC (50.9%, p=0.0001) and increased the time to reach PV, on average by 20 min (p=0.006), and the glycaemic profile by 73.5% p=0.002. The order of post meal blood PV to one CHO type or amount corresponded well with the response order to another CHO type or amount (r>0.9, p<0.001). In diabetes prone subjects, the PPG can be appreciably blunted both by reducing the quantity and changing the quality of the ingested carbohydrates. Below the diabetes threshold, there seems to be high and low responders to a carbohydrate load.

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