Objective: Discussion on color difference between imitation wild and artificial cultivated pieces of Saposhnikovia divaricata

provides a new method for objectively quantifying appearance color of Saposhnikoviae Radix. Method: HP-C220 colorimeter was used to determine total color of processed pieces of Saposhnikoviae Radix. SPSS statistical software were used to calculate the range of total color in different planting patterns of pieces and to analysis the relationship between planting pattern and skin color of Saposhnikoviae Radix. Result: Total color of 9 batches of imitation wild Saposhnikoviae Radix pieces were at 35.49-39.18 and the artificial cultivations' were at 48.11-56.10

the two average color difference is 14.7

wild and artificial cultivation of Saposhnikoviae Radix pieces skin color difference were significant. Conclusion: Colorimeter can provide objective data for imitation wild and artificial cultivation pieces of Fangfeng appearance color

not only can be used as a detection method for the identification of two pieces

but also can provide a reference for the establishment of Saposhnikoviae Radix pieces classification.