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Enhancement of colonic calcium absorption in rats fed dietary fiber

Enhancement of colonic calcium absorption in rats fed dietary fiber
膳食纤维喂养大鼠结肠钙吸收的增强
批准号:
06660141
负责人:
HARA Hiroshi
金额:
$1.22万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for General Scientific Research (C)
财政年份:
1994
资助国家:
日本
项目状态:
已结题
起止时间:
1994 至 1995

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英文摘要
1) Intensity of cecal calcium absorption was increased after feeding of eater-soluble and high fermentable dietary fiber, which was evaluated by arterio-cecal venous difference in calcium concentration.2) We estimate capacity of calcium absorption in the large intestine by infusion of calcium solution into the cecum. The large intestinal absorption was more than 80% of calcium administered into the cecum, and that is enhanced by dietary fiber feeding.3) Absorption of insoluble calcium source from the small intestine was lower than soluble calcium source, but the lower absorption was compensated with the large intestinal absorption.4) Calcium absorption was impaired by renal failure, but the lowered calcium absorption was increased by feeding of a soluble fiber, guar gum hydrolysate. The enhancement of calcium absorption by dietary fiber was completely ablished by cecectomy. The result demonstrates that the enhancement of calcium absorption in renal failure rats fed guar gum hydrolysate is responsible for the large intestinal absorption.
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H.Hara,Y.Saito,A,Idei S.Kiriyama: "Food Hydro colloids" Plenum Publishing Co., 510 (1994)
H.Hara,Y.Saito,A,Idei S.Kiriyama:“食品水胶体”Plenum Publishing Co.,510(1994)
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通讯作者:
A.Ohta,S.Baba,M.Ohtsuki,A.Taguchi,T.Adachi,H.Hara: "Prevention of coprophagy modified magnesium absorption in rats fed fructooligosaccharides." Br.J.Nutr.(in press).
A.Ohta、S.Baba、M.Ohtsuki、A.Taguchi、T.Adachi、H.Hara:“预防食粪改变喂食低聚果糖的大鼠的镁吸收。”
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通讯作者:
A. Ohta, S. Baba, M. Ohtsuki, A. Taguchi, T. Adachi, H. Hara: "Prevention of coprophagy modified magnesium absorption in rats fed fructooligosaccharides." Br. J. Nutr.(in press).
A. Ohta、S. Baba、M. Ohtsuki、A. Taguchi、T. Adachi、H. Hara:“预防食粪改变喂食低聚果糖的大鼠的镁吸收。”
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通讯作者:
H.Hara,Y.Saito,M.Nagata,M.Tsuji,K.Yamamoto: "Artificial fiber complexes composed of cellulose and guar gum or psyllium may be better sources of soluble fiber than comparable fiber mixtures in rats." J.Nutr.124. 1238-1247 (1994)
H.Hara、Y.Saito、M.Nagata、M.Tsuji、K.Yamamoto:“在大鼠中,由纤维素和瓜尔豆胶或车前子组成的人造纤维复合物可能是比同类纤维混合物更好的可溶性纤维来源。”
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14
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