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An Insulin Index Of Foods: The Insulin Demand Generated By 1000-kj Portions Of Common Foods.

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Project title: Determination of glycaemic and insulin index of nutrition of MANA drink Responsible investigator: Jan Gojda1, 2 Centre: 1) Centre for Research on Diabetes, Metabolism and Nutrition, 3rd Faculty of Medicine, Charles University in Prague and University Hospital Královské Vinohrady, Ruská 87, Prague 10 2) Division of Clinical Physiology, 2nd Department of Internal Medicine, University Hospital Královské Vinohrady, Šrobárova 50, Prague 10 Introduction Physiological minimum Living organisms require a supply of energy nutrients in order to ensure their survival. These nutrients include sugars, fats and proteins. Of all the nutrients, the most tightly regulated is the sugar metabolism, especially with regard to the fact that under normal conditions the nervous system is dependent exclusively upon the use of glucose (dextrose, the simplest hexose monosaccharide). A whole range of hormones play a role in the glucose metabolism on the level of the entire organism. In practical terms, the most important hormone is insulin. Insulin is released from the pancreas, and in the target tissues (skeletal muscle, fat tissue and liver) enables the entry of glucose int Continue reading >>

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  1. Valtor

    An insulin index of foods:the insulin demand generated by 1000-kJ portions of common foods. (http://www.ajcn.org/cgi/reprint/66/5/1264)
    ABSTRACT The aim of this study was to systematically compare postprandial insulin responses to isoenergetic 1000-U (240-kcal) portions of several common foods. Correlations with nutrient content were determined. Thirty-eight foods separated into six food categories (fruit, bakery products, snacks, carbohydrate rich foods, protein-rich foods, and breakfast cereals) were fed to groups of 11-13 healthy subjects. Finger-prick blood samples were obtained every 15 mm over 120 mm. An insulin score was calculated from the area under the insulin response curve for each food with use of white bread as the reference food (score = 100%). Significant differences in insulin score were found both within and among the food categories and also among foods containing a similar amount of carbohydrate. Overall, glucose and insulin scores were highly correlated (r = 0.70, P < 0.001, n = 38). However, protein-rich foods and bakery products (rich in fat and refined carbohydrate) elicited insulin responses that were disproportionately higher than their glycemic responses. Total carbohydrate (r = 0.39, P < 0.05, n = 36) and sugar (r = 0.36, P < 0.05, n = 36) contents were positively related to the mean insulin scores, whereas fat (r=-0.2N7S, , n 36) and protein (r=-0.2N4S, , n = 38) contents were negatively related. Consideration of insulin scores may be relevant to the dietary management and pathogenesis of non-insulin-dependent diabetes mellitus and hyperlipidemia and may help increase the accuracy of estimating preprandial insulin requirements. Am J Clin Nutr l997;66:l264-76.
    Patrick

  2. KJF

    Some of the discrepancies between glycemic index and insulin index are very interesting.

  3. Nancy LC

    I wonder if this was the study I'd been looking for? I can't see the charts, only the abstract.

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