Colour Interval Value Publication Food Name Reference
[ 0.13, 0.18 ) 0.13 mg/100 g FW Apple 1 Ping L., et al (1993) High Performance Liquid Chromatographic .... Biomedical and Environmental Sciences 6:389-398 PubMed (20919719)
[ 0.24, 0.30 ) 0.25 mg/100 g FW Apple 2 Ping L., et al (1993) High Performance Liquid Chromatographic .... Biomedical and Environmental Sciences 6:389-398 PubMed (20919719)
0.29 mg/100 g FW Apple 3 Ping L., et al (1993) High Performance Liquid Chromatographic .... Biomedical and Environmental Sciences 6:389-398 PubMed (20919719)