Colour Interval Value Publication Food Name Reference
[ 0.79, 0.99 ) 0.79 mg/100 ml Walnut liqueur - Elit - 1st sampling (June 30th) Jakopic J., et al (2007) How much do cultivar and preparation tim.... Food Chemistry 104:100-105
0.92 mg/100 ml Walnut liqueur - Elit - 2nd sampling (July 7th) Jakopic J., et al (2007) How much do cultivar and preparation tim.... Food Chemistry 104:100-105
[ 1.40, 1.61 ) 1.57 mg/100 ml Walnut liqueur - Franquette - 1st sampling (June 30th) Jakopic J., et al (2007) How much do cultivar and preparation tim.... Food Chemistry 104:100-105
1.60 mg/100 ml Walnut liqueur - Franquette - 2nd sampling (July 7th) Jakopic J., et al (2007) How much do cultivar and preparation tim.... Food Chemistry 104:100-105