糖尿病および骨粗鬆症関連指標に及ぼす難消化性デキストリン負荷の影響について

概要

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We investigated the influence of indigestible dextrin (ID) consumption using blood sugar- and bone metabolism-associated biochemical indices in 46 healthy adults, with a mean age of 61 years (standard deviation: 9.5). In a crossover study, the subjects consumed 13.8 g/day of ID for 3 months. We examined the influence of ID on osteoporosis/diabetes prevention based on changes in osteoporosis-/diabetes-associatedindices in high-risk subjects. Bone metabolism was evaluated by measuring the right heel bone mass as an acoustic bone index (OSI), as well as the urinary β CrossLaps and serum bone-type alkaline phosphatase levels. A 3-day dietary survey showed a significant increase in the consumption of ID. Dietary fiber intake increased from 10.3 (standard deviation: 3.1) to 17.8 (4.6) g per 1,000 kcal/day. The ID consumption for 3 months reduced the postprandial blood sugar level, but did not increase the HbA1c or OSI values. On the other hand, an increase in the exercise intensity elevated the OSI regardless of ID consumption. In conclusion, exercise increased the OSI even in the presence of dietary-fiber consumption.
徳島文理大学の論文