SERUM 25-HYDROXYVITAMIN-D CONCENTRATIONS OF FREE-LIVING SUBJECTS CONSUMING OLESTRA

被引:36
作者
JONES, DY
MILLER, KW
KOONSVITSKY, BP
EBERT, ML
LIN, PYT
JONES, MB
DELUCA, HF
机构
[1] UNIV WISCONSIN,DEPT BIOCHEM,MADISON,WI 53706
[2] PROCTER & GAMBLE CO,WINTON HILL TECH CTR,CINCINNATI,OH 45224
关键词
OLESTRA; SUCROSE POLYESTER; VITAMIN-D; 25-HYDROXYVITAMIN-D; BIOAVAILABILITY; ABSORPTION; ERGOCALCIFEROL; CHOLECALCIFEROL;
D O I
10.1093/ajcn/53.5.1281
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
The effect of olestra on vitamin D status was assessed in a 6-wk, double-blind, placebo-controlled study involving 202 free-living adults. Subjects consumed a total of 20 g/d of olestra or triglycerides in cookies eaten at each meal. A 20-mu-g ergocalciferol capsule was taken with each morning meal. Serum 25-hydroxyergocalciferol (25-OHD2) concentrations rose from approximately 5.7 to 39.0 and 31.7 nmol/L in the placebo and olestra groups, respectively, at week 6. At week 6, 25-OHD2 contributed 46-54% to total serum 25-OHD concentration compared with 11% at baseline. The 19% decrease in serum 25-OHD2 concentrations produced by olestra in this study is equivalent to a decrease of approximately 1.2 nmol/L under nonsupplemented dietary conditions. Ingesting 20 g olestra/d in the diet is thus not expected to affect vitamin D nutritional status.
引用
收藏
页码:1281 / 1287
页数:7
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