Colour Interval Value Publication Food Name Reference
[ 0.86, 2.95 ) 0.86 mg/100 g FW Natto Chan S.G., et al (2009) Isoflavonoid Content of Hong Kong Soy Fo.... Journal of Agricultural and Food Chemistry 57:5386-90 PubMed (19530716)
[ 2.95, 5.06 ) 5.05 mg/100 g FW Natto Franke A.A., et al (1999) Isoflavone levels in soy foods consumed .... Journal of Agricultural and Food Chemistry 47:977-86 PubMed (10552401)