Colour Interval Value Publication Food Name Reference
[ 0.08, 0.09 ) 0.08 mg/100 ml Coffee C Lang R., et al (2006) Development of a stable isotope dilution.... Journal of Agricultural and Food Chemistry 54:5755-5762 PubMed (16881674)
[ 0.10, 0.12 ) 0.11 mg/100 ml Coffee B Lang R., et al (2006) Development of a stable isotope dilution.... Journal of Agricultural and Food Chemistry 54:5755-5762 PubMed (16881674)
0.11 mg/100 ml Coffee A Lang R., et al (2006) Development of a stable isotope dilution.... Journal of Agricultural and Food Chemistry 54:5755-5762 PubMed (16881674)