Colour Interval Value Publication Food Name Reference
[ 0.50, 0.54 ) 0.50 mg/100 g FW Pear 1 Ping L., et al (1993) High Performance Liquid Chromatographic .... Biomedical and Environmental Sciences 6:389-398 PubMed (20919719)
[ 0.54, 0.59 ) 0.58 mg/100 g FW Pear 2 Ping L., et al (1993) High Performance Liquid Chromatographic .... Biomedical and Environmental Sciences 6:389-398 PubMed (20919719)