Abstract: The purplish red pigment was extracted from Lonicera caerulea with resins, and its characteristic was studied. The results showed that AB-8 resin had the best performance of absorbing the purplish red pigment. In the course of desorbing the absorbed pigment, 50% ethanol was optimal. AB-8 resin was selected during the experiment. After repeating 20 times, the absorption factor was only at a loss of 1.29%. The pigment was stable in acid solution, and the light, heat and common food additions also had no evident influences on its stability. So the pigment from Lonicera caerulea might be used as a good addition.

Key words:  , Lonicera caerulea； purplish red pigment； extracting； characteristic；