Biotechnology
DPPH-radical scavengers are isolated from soybean miso
Published in Cancer Weekly, September 7th, 2004
According to A. Hirota and colleagues of the University Shizuoka, "We isolated from soybean miso 8-hydroxyglycitein and 6-hydroxydaidzein as DPPH-radical scavengers, and elucidated their chemical structures by mass spectrometric, and H-1- and C-13-NMR spectrosopic analyses."
"These compounds showed DPPH-radical scavenging activity as high as that of alpha-tocopherol, 8-hydroxygenistein, and 8-hydroxydaidzein," they reported.
The researchers concluded, "This is the first report of the isolation of 8-hydroxyglycitein from a natural source."
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Source: Cancer Weekly (2004-09-07)
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