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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611


OLVERA-HERNANDEZ, Viridiana et al. Effects of modified banana (Musa cavendish) starch on glycemic control and blood pressure in rats with high sucrose diet. Nutr. Hosp. [online]. 2018, vol.35, n.3, pp.588-595. ISSN 1699-5198.


insulin resistance (IR) is the preliminary stage of diseases such as diabetes and hypertension. These diseases can be controlled through medication, yet the consumption of functional foods (FF) may be one complementary treatment option. Ingredients for these FF could be the pyrodextrin and enzymatically resistant maltodextrin (ERM) obtained from the native starch (NS) of M. cavendish in this study.


to evaluate the effects of modified banana starch on glycemic control and blood pressure in rats with high sucrose diet (HSD).


we utilized 25 male Wistar rats 20 of which received a HSD and five were fed a normal diet and purified water (PW) for 12 weeks. At the end of week 8, the rats fed a HSD were divided into four groups: positive control (PC), native starch (NS), pyrodextrin (PI), and enzymatically resistant maltodextrin (ERM). The negative control (NC) comprised the five rats fed PW. We evaluated the glucose tolerance test, blood pressure (BP), insulin levels, total cholesterol (TC), high-density lipoproteins (HDL), and triglycerides.


differential scanning calorimetry and scanning electron microscopy of the modified starches demonstrated that the pyroconversion treatment did not visibly affect the NS granules, while ERM was modified by the action of α-amylase. Starch treatments reduced glucose, insulin, HOMA-IR, and BP in comparison with PC (p < 0.05). Glucose AUC (0-120 min) was also decreased after starch treatments with respect to PC (p < 0.05).


NS and its modified products exerted beneficial effects on glycemic control, lipid metabolism, and BP in obese rats fed a HSD. Although the modified starches presented lower resistance to digestion than NS, their expected properties were maintained.

Keywords : Blood glucose; Enzymatically resistant maltodextrin; High sucrose diet; Pyrodextrinization. Resistant starch.

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