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儿童期的植物甾醇酯和麸皮纤维:对学龄前儿童血脂、粪便重量及排便频率的影响

Plant stanol ester and bran fiber in childhood: effects on lipids, stool weight and stool frequency in preschool children.

作者信息

Williams C L, Bollella M C, Strobino B A, Boccia L, Campanaro L

机构信息

Department of Pediatrics, Columbia University, New York, New York 10032, USA.

出版信息

J Am Coll Nutr. 1999 Dec;18(6):572-81. doi: 10.1080/07315724.1999.10718891.

Abstract

OBJECTIVES

The objective of the study was to evaluate the effects of plant stanol esters and bran fiber on lipids, stool weight and stool frequency in preschool children.

METHODS

The present study was a 13 week open cross-over study designed to evaluate the effects of plant stanol ester in healthy two to five year old preschool children. After a one week lead-in, eligible children were randomly assigned to begin with either Diet Phase A (plant stanol ester) or Phase B (wheat bran fiber). Each diet phase was four weeks long, followed by a two-week wash-out, and then cross-over to the alternate diet. During Diet Phase A children consumed three eight-gram servings of a spread, each containing one gram of plant stanols, for total daily dose of three grams. During Diet Phase B, children added five grams of dietary fiber to their diet for the first two weeks and then ten grams for the second two weeks.

RESULTS

Overall, for the whole study group, plant-stanol-ester spread use yielded a decrease in total cholesterol of 19.9 mg/dL (12.4% reduction from baseline) and a 14.6 mg/dL decrease in LDL cholesterol (15.5% reduction from baseline). There were no significant changes in HDL-cholesterol or triglyceride levels. A predominately insoluble dietary fiber supplement derived from wheat bran, as expected, yielded a small but non-significant decrease in total cholesterol of 6.1 mg/dL, a four percent reduction from baseline.

CONCLUSIONS

Results demonstrated that preschool age children could adhere to a program requiring consumption of three daily servings of spread containing plant stanol ester and that this level of consumption resulted in a significant decrease in total cholesterol and LDL cholesterol after a four week period. In addition, consumption of plant stanol ester was not associated with any short-term adverse health effects.

摘要

目的

本研究的目的是评估植物甾醇酯和麸皮纤维对学龄前儿童血脂、粪便重量和排便频率的影响。

方法

本研究是一项为期13周的开放交叉研究,旨在评估植物甾醇酯对健康的2至5岁学龄前儿童的影响。经过一周的导入期后,符合条件的儿童被随机分配,开始饮食A阶段(植物甾醇酯)或B阶段(麦麸纤维)。每个饮食阶段为期四周,随后是两周的洗脱期,然后交叉到另一种饮食。在饮食A阶段,儿童每天食用三份8克的涂抹酱,每份含有1克植物甾醇,每日总剂量为3克。在饮食B阶段,儿童在最初两周的饮食中添加5克膳食纤维,然后在接下来的两周中添加10克。

结果

总体而言,对于整个研究组,食用植物甾醇酯涂抹酱使总胆固醇降低了19.9毫克/分升(较基线降低12.4%),低密度脂蛋白胆固醇降低了14.6毫克/分升(较基线降低15.5%)。高密度脂蛋白胆固醇或甘油三酯水平没有显著变化。如预期的那样,一种主要由麦麸衍生的不溶性膳食纤维补充剂使总胆固醇略有降低,但不显著,降低了6.1毫克/分升,较基线降低了4%。

结论

结果表明,学龄前儿童能够坚持一项要求每天食用三份含植物甾醇酯涂抹酱的计划,并且在四周后,这种食用水平导致总胆固醇和低密度脂蛋白胆固醇显著降低。此外,食用植物甾醇酯与任何短期不良健康影响均无关联。

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