Effects of soy polysaccharide on gastrointestinal functions, nutrient balance, steroid excretions, glucose tolerance, serum lipids, and other parameters in humans

Effects of soy polysaccharide on gastrointestinal functions, nutrient balance, steroid excretions, glucose tolerance, serum lipids, and other parameters in humans

A diet-controlled study with a cross-over design was conducted to determine the effect of soy polysaccharide on gastrointestinal functions, nutrient balance, steroid excretion, blood lipid levels, postprandial serum glucose response, and other blood parameters in healthy male human subjects. A total...

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Bibliographic Details
Published in:The American journal of clinical nutrition Vol. 38; no. 4; pp. 504 - 511
Main Authors: Tsai, AC, Mott, EL, Owen, GM, Bennick, MR, Lo, GS, Steinke, FH
Format: Journal Article
Language:English
Published: Bethesda, MD Elsevier Inc 01-10-1983
American Society for Clinical Nutrition
Subjects:
Adult
Bile Acids and Salts - analysis
Biological and medical sciences
Cholesterol - blood
Diet
Dietary Fiber - metabolism
fecal transit time
fecal weight
Feces - analysis
Feeding. Feeding behavior
fiber
Fundamental and applied biological sciences. Psychology
Gastrointestinal Motility
glucose tolerance
Glucose Tolerance Test
Glycine max
Humans
Lipoproteins - blood
Male
Minerals - analysis
Polysaccharides - metabolism
Proteins - analysis
Soy polysaccharide
Sterols - analysis
Vertebrates: anatomy and physiology, studies on body, several organs or systems
fiber
Soy polysaccharide
glucose tolerance
fecal transit time
fecal weight
Human
Feces
Soybean
Dietary fiber
Polysaccharide
Feeding
Digestive transit
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Description
Summary:A diet-controlled study with a cross-over design was conducted to determine the effect of soy polysaccharide on gastrointestinal functions, nutrient balance, steroid excretion, blood lipid levels, postprandial serum glucose response, and other blood parameters in healthy male human subjects. A total of 14 college students was selected to participate in the study on a voluntary basis and each served as his own control. The study had two 17-day feeding periods. During the first feeding period, half of the subjects served as controls, the other as experimentais. During the second feeding period, treatments were crossed. When serving as controls, subjects consumed a low-fiber basal diet; when serving as experimentais, the same diet was supplemented with 25 g/day of soy polysaccharide. Blood samples taken at the beginning (days −1 and 1) and at the end (days 17 and 18) of each period revealed no changes in serum lipid levels or other blood parameters by soy polysaccharide supplementation. Nutrient balance and fecal transit studies revealed a significant increase in fecal wet weight and fecal water content, but no changes in total dry weight, fecal neutral steroid, bile salt, protein, and mineral contents. Glucose tolerance tests conducted during each period revealed that addition of soy polysaccharide to the glucose solution significantly reduced the reactive hypoglycemia at 180 min. Results of the present study suggest that in healthy male subjects, supplementation of soy polysaccharide can result in an increase in wet fecal content and possibly some improvement in glucose tolerance response.
Bibliography:S20
8473091
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ISSN:0002-9165
1938-3207
DOI:10.1093/ajcn/38.4.504