Effect of eating glutinous brown rice twice a day for 6 weeks on serum 1,5-Anhydroglucitol in japanese subjects without diabetes

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Abstract

We have previously demonstrated that eating glutinous brown rice (GBR) for 1 day or 8 weeks was well accepted and improved glycemic control in patients with type 2 diabetes. The present study evaluated whether eating GBR could also improve glucose metabolism in subjects without diabetes. A prospective 6-week, single-center, randomized, open-label, parallel-group study was carried out in subjects receiving annual medical checkup at our hospital. A total of 42 subjects were randomly assigned to continue their regular diet (RD group) or to switch GBR twice a day (GBR group). The primary outcome was the change in the serum concentration of 1,5-Anhydroglucitol (1,5-AG) from baseline after the 6-week dietary intervention. One subject was excluded from the analysis because of a traffic accident. After 6 weeks, the serum 1,5-AG was significantly increased in the GBR group and the mean treatment difference (GBR group-RD group) was 1.1 μg/mL (95% CI: 0.6 to 1.6, p=0.022). Body mass index decreased significantly in both groups, with no significant difference between them (p=0.210). There were no changes in fasting plasma glucose, fasting insulin, or eating behavior. Intake of GBR for 6 weeks significantly increased serum 1,5-AG in Japanese subjects without diabetes. The increase of 1,5-AG may have been due to the alleviation of postprandial hyperglycemia, which could be effective for the primary prevention of diabetes.

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APA

Nakayama, T., Nagai, Y., Yasunaka, Y., Uraguchi, T., Wada, Y., Sone, M., & Tanaka, Y. (2020). Effect of eating glutinous brown rice twice a day for 6 weeks on serum 1,5-Anhydroglucitol in japanese subjects without diabetes. Journal of Nutrition and Metabolism, 2020. https://doi.org/10.1155/2020/8847781

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