Effect of Dietary Soybean Protein Level on the Plasma Homocysteine Concentration in Rats | Zendy

Hiroshi OKAWA | Zendy; Tatsuya Morita | Zendy; Kimio SUGIYAMA | Zendy

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Effect of Dietary Soybean Protein Level on the Plasma Homocysteine Concentration in Rats

Author(s) -

Hiroshi OKAWA,

Tatsuya Morita,

Kimio SUGIYAMA

Publication year - 2008

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.70797

Subject(s) - homocysteine , plasma homocysteine , cystathionine beta synthase , dietary protein , chemistry , medicine , endocrinology , soy protein , food science , biochemistry , methionine , biology , amino acid

There was an inverse correlation between the plasma homocysteine concentration and dietary protein level or protein intake when a soybean protein isolate (SPI) was used as a protein source for rats. The hepatic cystathionine beta-synthase activity increased in response to the dietary SPI level. The results suggest that a high-protein diet might be an effective means to lower the plasma homocysteine concentration, probably through enhancement of the homocysteine-metabolizing activity.

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