Colour Interval Value Publication Food Name Reference
[ 0.67, 1.70 ) 0.67 mg/100 g FW Endive - Fine frisee - Glory DuPont, et al (2000) Effect of variety, processing, and stora.... Journal of Agricultural and Food Chemistry 48:3957-3964 PubMed (10995297)
[ 1.70, 2.73 ) 2.72 mg/100 g FW Endive - Coarse frisee DuPont, et al (2000) Effect of variety, processing, and stora.... Journal of Agricultural and Food Chemistry 48:3957-3964 PubMed (10995297)