Colonic Fermentation of Unavailable Carbohydrates from Unripe Banana and its Influence over Glycemic Control

The aim of this study was to evaluate the effect of the colonic fermentation of unavailable carbohydrates from unripe banana (mass - UBM - and starch - UBS) over parameters related to glucose and insulin response in rats. Wistar male rats were fed either a control diet, a UBM diet (5 % resistant sta...

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Bibliographic Details
Published in:Plant foods for human nutrition (Dordrecht) 2015-09, Vol.70 (3), p.297-303
Main Authors: Dan, Milana C. T, Cardenette, Giselli H. L, Sardá, Fabiana A. H, Giuntini, Eliana Bistriche, Bello-Pérez, Luis Arturo, Carpinelli, Ângelo R, Lajolo, Franco M, Menezes, Elizabete Wenzel
Format: Article
Language:English
Subjects:
Animals
bananas
Blood Glucose - metabolism
cecum
Cecum - metabolism
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Colon - metabolism
Diet
Dietary Carbohydrates - metabolism
Ecology
Fatty Acids, Volatile - metabolism
Feces
Fermentation
Food Science
glucose
Glucose Tolerance Test
glucose tolerance tests
glycemic control
insulin
Insulin - metabolism
Insulin Resistance
Insulin Secretion
islets of Langerhans
Islets of Langerhans - metabolism
Male
males
Musa - chemistry
Nutrition
Original Paper
Plant Physiology
rats
Rats, Wistar
resistant starch
short chain fatty acids
Starch - metabolism
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Summary:The aim of this study was to evaluate the effect of the colonic fermentation of unavailable carbohydrates from unripe banana (mass - UBM - and starch - UBS) over parameters related to glucose and insulin response in rats. Wistar male rats were fed either a control diet, a UBM diet (5 % resistant starch - RS) or a UBS diet (10 % RS) for 28 days. In vivo (oral glucose tolerance test) and in vitro (cecum fecal fermentation, pancreatic islet insulin secretion) analyses were performed. The consumption of UBM and UBS diets by Wistar rats for 28 days improved insulin/glucose ratio. Also, pancreatic islets isolated from the test groups presented significant lower insulin secretion compared to the control group, when the same in vitro glucose stimulation was done. Total short chain fatty acids produced were higher in both experimental groups in relation to the control group. These findings suggest that UBM and UBS diets promote colonic fermentation and can influence glycemic control, improving insulin sensitivity in rats.
ISSN:0921-9668
1573-9104
DOI:10.1007/s11130-015-0493-6