Effects of Lactitol-Oligosaccharides on Calcium and Magnesium Absorption in Rats
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概要
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Lactitol-oligosaccharide (LO) was prepared from lactitol by transglycosylation reaction with Aspergillus oryzae β-galactosidase. LO is resistant to metabolism in the small intestine but not in the large intestine. The effects of LO, lactose (Lac), lactitol (Lacol) and galacto-oligosaccharide (GL) on calcium and magnesium absorption were deter-mined by feeding 8-week-old Sprague-Dawley male rats diets containing 5% of the above carbohydrates for two weeks. The results obtained were as follows. 1) A significant increase of calcium absorption was observed in the LO diet. 2) A significant increase of magnesium absorption was observed in the LO, GL and Lacol diets. 3) The concentration of total volatile fatty acids (VFA) in the cecal contents increased significantly in the LO, GL and Lacol diets. The main constituent of VFA in the cecal contents was found to be acetic acid. 4) The correlations between calcium and magnesium absorption ratios and total VFA concentration in the cecum were found to be significantly related. These findings suggest that LO is metabolized to VFA, among which acetic acid concentration seems to have the most stimulatory effect on the absorption of calcium.
- 財団法人 学会誌刊行センターの論文
著者
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守田 稔
岐阜大農化
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TAKADA Yukihiro
Technology and Research Institute, Snow Brand Milk Products Co., Ltd.
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Aoe Seiichiro
Technology And Research Institute Snow Brand Milk Products Co. Ltd.
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NAKAJIMA ICHIRO
Technical Research Institute, Snow Brand Milk Products Co. Ltd.,
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Suguri Toshiaki
Technical Research Institute Snow Brand Milk Products Co. Ltd.
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Yanahira Shuichi
Technology And Research Institute Snow Brand Milk Products Co. Ltd.
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MIURA Susumu
Technology and Research Institute, Snow Brand Milk Products Co. Ltd.
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守田 稔
Technical Research Institute Snow Brand Milk Products Co.
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MORITA Minoru
Technology and Research Institute, and Nutritional Science Laboratory
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Nakajima Ichiro
Technical Research Institute Snow Brand Milk Products Co. Ltd.
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NAKAJIMA Ichiro
Technology and Research Institute, and Nutritional Science Laboratory
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YANAHIRA Shuichi
Technology and Research Institute, and Nutritional Science Laboratory
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MIURA Susumu
Technology and Research Institute, and Nutritional Science Laboratory
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AOE Seiichiro
Technology and Research Institute, and Nutritional Science Laboratory
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SUGURI Toshiaki
Technology and Research Institute, and Nutritional Science Laboratory
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TAKADA Yukihiro
Technology and Research Institute, and Nutritional Science Laboratory
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TAKADA Yukihiro
Technology & Research Institute, Snow Brand Milk Products Co., Ltd.
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MORITA Minoru
Technical Research Institute, Snow Brand Milk Products Co. Ltd.
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AOE Seiichiro
Technical Research Institute, Snow Brand Milk Products Co. Ltd.
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YANAHIRA Shuichi
Technical Research Institute, Snow Brand Milk Products Co. Ltd.
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