Effects of dietary soybean peptides on hepatic production of ketone bodies and secretion of triglyceride by perfused rat liver.

Effects of dietary soybean peptides on hepatic production of ketone bodies and secretion of triglyceride by perfused rat liver. Research Abstract Details 

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Effects of dietary soybean peptides on hepatic production of ketone bodies and secretion of triglyceride by perfused rat liver. Abstract Text:

Shizuka Tamaru,Takayuki Kurayama,Masanobu Sakono,Nobuhiro Fukuda,Toshihiro Nakamori,Hitoshi Furuta,Kazunari Tanaka,Michihiro Sugano,Shizuka Tamaru,Takayuki Kurayama,Masanobu Sakono,Nobuhiro Fukuda,Toshihiro Nakamori,Hitoshi Furuta,Kazunari Tanaka,Michihiro Sugano,

Soybean protein isolate (SPI) was digested with protease to produce a peptides containing the low-molecular fraction (LD3) or a mixture of high- and low-molecular fractions (HD1). Rats were fed a diets containing SPI, LD3, or HD1 at a protein level equivalent to the 20% casein diet for 4 weeks. The serum triglyceride concentration was lower in rats fed SPI, LD3, and HD1 diets than in rats fed the casein diet, and the differences were significant for the cholesterol-enriched diet. The value for the LD3 group was the lowest among all groups for both the cholesterol-free and -enriched diets. The level of triglyceride in the post-perfused liver was significantly lower in the LD3 and HD1 groups and the SPI group than in the casein group irrespective of the presence of cholesterol in the diet. In the cholesterol-free diet, LD3 feeding as compared to casein feeding caused a reduction in triglyceride secretion from the liver to perfusate and an increment of hepatic ketone body production. The addition of cholesterol to the diets somewhat attenuated these effects of LD3. These results suggest that the low-molecular fraction in soybean peptides causes triglyceride-lowering activity through a reduction in triglyceride secretion from the liver to the blood circulation and the stimulation of fatty acid oxidation in the liver. There is a possibility that soybean peptides modulate triglyceride metabolism by changes in the hepatic contribution.

Effects of dietary soybean peptides on hepatic production of ketone bodies and secretion of triglyceride by perfused rat liver. Publishing Authors By Initials

S Tamaru,T Kurayama,M Sakono,N Fukuda,T Nakamori,H Furuta,K Tanaka,M Sugano,S Tamaru,T Kurayama,M Sakono,N Fukuda,T Nakamori,H Furuta,K Tanaka,M Sugano,

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Effects of dietary soybean peptides on hepatic production of ketone bodies and secretion of triglyceride by perfused rat liver. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Bioscience, biotechnology, and biochemistry

VOLUME: 71

Page Numbers: 2451-7

Journal Abbreviation: Biosci. Biotechnol. Biochem.

ISSN: 0916-8451

DAY: 7

MONTH: 10

YEAR: 2007

Effects of dietary soybean peptides on hepatic production of ketone bodies and secretion of triglyceride by perfused rat liver. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Effects of dietary soybean peptides on hepatic production of ketone bodies and secretion of triglyceride by perfused rat liver.

AFFILIATION: Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, Japan.

Country: Japan

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MEDLINETA: Biosci Biotechnol Biochem

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