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Updated: Feb 12, 2026

Analysis and Specification of Starch Granule Size Distributions
Published on: March 4, 2021
Effects of raw potato starch on body weight with controlled glucose delivery
Eun-Sook Lee1, Hansol Shin2, Jung-Min Seo2
1Research Group of Gut Microbiome, Korea Food Research Institute, Wanju 55365, Republic of Korea.
Abstract:
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 α-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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