Soybean Resistant Protein Elevates Fecal Excretion of Cholesterol and Bile Acids and Decreases Hepatic Cholesterol Content in Comparison with Soybean Protein Isolate

Keiko YAMATANI; Tohru SAEKI; Kimikazu IWAMI; Tomohiko SUZUKA; Ryuhei KANAMOTO

doi:10.1271/bbb.80113

Food & Nutrition Science Notes

Soybean Resistant Protein Elevates Fecal Excretion of Cholesterol and Bile Acids and Decreases Hepatic Cholesterol Content in Comparison with Soybean Protein Isolate

Keiko YAMATANI, Tohru SAEKI, Kimikazu IWAMI, Tomohiko SUZUKA, Ryuhei KANAMOTO

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Keywords: fecal steroid excretion, soybean protein isolate (SPI), high-molecular-weight fraction (HMF), resistant protein (RP)

JOURNAL FREE ACCESS

2009 Volume 73 Issue 4 Pages 921-922

DOI https://doi.org/10.1271/bbb.80113

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Abstract

The effect of soybean resistant protein (RP) on serum and hepatic cholesterol levels and fecal excretion of steroids was examined. RP decreased cholesterol in the liver, probably due to the stimulated excretion of cholesterol and its metabolites, bile acids. The serum cholesterol level was not different as between RP and other soy-derived proteins.

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