Limited information is available on the changes of the isoflavone
profiles and the interconversion of soy isoflavones in soy
germ via soaking in vinegar. In this work, Yongchun Monascus aged
vinegar could increase free isoflavones (aglycone forms) so as to
enhance the nutritional values of soy germs. Effects of the solidto-
liquid ratios on the interconversions of soy isoflavone forms