リン酸架橋でん粉のラットにおける脂質代謝改善作用

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  • リンサン カキョウ デンプン ノ ラット ニ オケル シシツ タイシャ カイゼン サヨウ
  • Effect of distarch phosphate from potato starch on lipid metabolism in rats

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We investigated the effect of raw distarch potato starch (DPS) on lipid metabolism in rats. Rats were fed a 60% sucrose diet (control) and or one of 3 test diets containing 100 g/kg of DPS, native potato starch (NPS) or alkali-treated starch (ATS). DPS, NPS, and ATS contain 837 ppm, 818 ppm, and 818 ppm of phosphorous, respectively. There were no differences in final body weight among the rats fed the control, NPS, ATS, and DPS diets for 4 weeks. Rats fed the DPS diet had significantly smaller epididymal and perirenal fat pads than did the control rats (P<0.05). We also found that rats fed the DPS and NPS diets had significantly lower plasma triglyceride levels than did the control rats. Lower hepatic triglyceride concentrations were also seen in the DPS-and ATS-fed rats (-47 and -50%, respectively)compared to the controls. From these results, DPS, NPS and ATS can be seen to affect lipid metabolism in rats, with the greatest effect seen in the DPS group. The digestion of distarch phosphate of potato origin in the small intestine is suggested to have a large effect on the above mechanism.

identifier:12

identifier:KJ00007044610

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