The purification effect of five macroporous adsorptive resins on red cabbage pigment is studied in this paper, and the optimum resin type, adsorption temperature and adsorption time as well as the optimum eluting solvent and eluting temperature are hence determined. 研究了五种大孔吸附树脂对紫甘蓝色素的纯化作用,确定了色素纯化的最适树脂、吸附温度和时间,以及解吸的溶剂和解吸温度。