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以蒲公英为原料,采用70%乙醇在pH4,温度为60℃的条件下回流2 h,得绿原酸粗提液。分别使用本实验室自制的中空型聚苯乙烯基阴离子交换纤维,D290树脂和NKA-9树脂对粗提液进行分离,分别考察了3种材料对绿原酸粗提液的最大吸附容量、吸附动力学行为、动态吸附行为以及解吸情况。结果表明,实验室自制的中空型聚苯乙烯基阴离子交换纤维对绿原酸吸附容量大、吸附速率快,而且解吸效果好,是一种较理想的绿原酸吸附分离材料。
Using dandelion as raw material, 70% ethanol was refluxed for 2 h under the conditions of pH4 and temperature of 60 ° C to obtain crude chlorogenic acid extract. The hollow polystyrene-based anion exchange fiber, D290 resin and NKA-9 resin were separated by our laboratory. The maximum adsorption capacity, adsorption Dynamic behavior, dynamic adsorption behavior and desorption. The results showed that the hollow polystyrene-based anion exchange fiber made by our laboratory is an ideal material for adsorption and separation of chlorogenic acid, which has a large adsorption capacity for chlorogenic acid, fast adsorption rate and good desorption effect.