Evaluation of gastric processing and duodenal digestion of starch in six cereal meals on the associated glycaemic response using an adult fasted dynamic gastric model
作者： Simon Ballance , Stefan Sahlstrøm , Per Lea , Nina E Nagy , Petter V Andersen
DOI: 10.1007/S00394-012-0386-5
关键词: Food science 、 Meal 、 In vivo 、 Starch 、 Gastric emptying 、 Digestion 、 Chemistry 、 Duodenum 、 Glycaemic index 、 Area under the curve
摘要: To identify the key parameters involved in cereal starch digestion and associated glycaemic response by utilisation of a dynamic gastro-duodenal model. Potential plasma glucose loading curves for each meal were calculated fitted to an exponential function. The area under curve (AUC) from 0 120 min total digestible was used calculate vitro index (GI) value normalised against white bread. Microscopy additionally examine samples collected at different stages gastric duodenal digestion. Where vivo GI data available (4 out 6 meals) no significant difference observed between these values corresponding value. It is possible simulate cereals when emptying rate (duodenal loading) kinetics hydrolysis duodenum are known.
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