Journal
FOOD CHEMISTRY
Volume 256, Issue -, Pages 367-372Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2018.02.150
Keywords
Potato starch; Glucose delivery; Starch digestion; Insulin sensitivity; Fat accumulation
Funding
- Main Research Program of the Korea Food Research Institute (KFRI) [E0170602-02]
- Basic Science Research Program through the National Research Foundation of Korea [NRF-2015R1C1A1A02036467]
- Ministry of Science ICT
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Starch digestion in the gastrointestinal tract has different properties depending on its botanical source. In this study, corn, wheat, rice, and potato starches were used to test the digestion properties of mammalian mucosal alpha-glucosidase in an in vitro assay, and their physiological effects were investigated in male C57BL/6 mice. The results clearly demonstrated that potato starch caused the lowest rates of glucose generation, suggesting that it can attenuate the postprandial glucose spike. Interestingly, a potato starch-based diet caused significantly (P < 0.05) lower weight gain and fat accumulation compared to diets based on other starches, through increased insulin sensitivity. This result suggests that potato starch-based products can be used to regulate postprandial blood glucose levels, aiding in the control of metabolic diseases.
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