Colour Interval Value Publication Food Name Reference
[ 1.44, 3.31 ) 1.44 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)
[ 3.31, 5.19 ) 5.18 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)