GASTROINTESTINAL EFFECTS AND ENERGY VALUE OF POLYDEXTROSE IN HEALTHY NONOBESE MEN

被引:51
作者
ACHOUR, L [1 ]
FLOURIE, B [1 ]
BRIET, F [1 ]
PELLIER, P [1 ]
MARTEAU, P [1 ]
RAMBAUD, JC [1 ]
机构
[1] HOP ST LAZARE,INSERM,U290,UNITE RECH FONCT INTESTINALES METAB & NUTR,F-75010 PARIS,FRANCE
关键词
POLYDEXTROSE; COLONIC FERMENTATION; ENERGY VALUE;
D O I
10.1093/ajcn/59.6.1362
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
We studied seven healthy volunteers before and during acute (PD1) and chronic (PD2) ingestion of 30 g polydextrose (PD)/d. The energy value of PD was assessed after [U-C-14]PD was added to the 10-g morning dose of PD during PD1 and at the end of PD2. Thirty-one +/- five percent ((x) over bar +/- SD) (PD1) and 29 +/- 4% (PD2) of the dose appeared in breath within 48 h. A small fraction of the ingested radioactivity was recovered in urine (4 +/- 1%) and excreted in flatus (less than or equal to 1%) and in feces as volatile fatty acids (VFAs) (< 1%) and bacteria (3-4%); the remaining radioactivity in stools, 33 +/- 3% (PD1) and 32 +/- 4% (PD2), was assumed to be intact PD. Breath excretion of the label was 49 +/- 5% after intracolonic infusion of [U-C-14] acetate. The energy value of PD, calculated by means of Miller and Wolin's stoichiometric equation of colonic fermentation, was similar during PD1 and PD2: 4.0 and 6.1 kJ/g, respectively, when breath (CO2)-C-14 and VFA production from PD were used for calculation.
引用
收藏
页码:1362 / 1368
页数:7
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