Colour Interval Value Publication Food Name Reference
[ 0.50, 0.55 ) 0.50 mg/100 g FW Lemon - Pulp Justesen, et al (1998) Quantitative analysis of flavonols, flav.... Journal of Chromatography A 799:101-10 PubMed (9550103)
[ 0.55, 0.61 ) 0.60 mg/100 g FW Lemon - Supermarkets Mattila, et al (2000) Determination of flavonoids in plant mat.... Journal of Agricultural and Food Chemistry 48:5834-41. PubMed (11312761)