Stronger Suppression of Plasma Cholesterol and Enhancement of the Fecal Excretion of Steroids by a Buckwheat Protein Product than by a Soy Protein Isolate in Rats Fed on a Cholesterol-free Diet

Hiroyuki TOMOTAKE; Iwao SHIMAOKA; Jun KAYASHITA; Fumiyo YOKOYAMA; Misao NAKAJOH; Norihisa KATO

doi:10.1271/bbb.65.1412

Food & Nutrition Science

Stronger Suppression of Plasma Cholesterol and Enhancement of the Fecal Excretion of Steroids by a Buckwheat Protein Product than by a Soy Protein Isolate in Rats Fed on a Cholesterol-free Diet

Hiroyuki TOMOTAKE, Iwao SHIMAOKA, Jun KAYASHITA, Fumiyo YOKOYAMA, Misao NAKAJOH, Norihisa KATO

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Keywords: buckwheat protein, soy protein, cholesterol, fecal steroid, rat

JOURNAL FREE ACCESS

2001 Volume 65 Issue 6 Pages 1412-1414

DOI https://doi.org/10.1271/bbb.65.1412

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Abstract

We investigated the effects of a buckwheat protein product (BWP), soy protein isolate (SPI) and casein on the plasma cholesterol level and fecal steroid excretion in rats fed on a cholesterol-free diet. The consumption of BWP suppressed plasma cholesterol by enhancing the fecal excretion of both neutral and acidic steroids. These effects of BWP were stronger than those of SPI.

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