漆姑草总黄酮大孔树脂纯化工艺研究
2021-07-11耿亚赵喜兰张强
耿亚 赵喜兰 张强



【摘 要】 目的:探讨大孔树脂纯化漆姑草总黄酮工艺。方法:比较 6 种不同型号大孔吸附树脂对漆姑草中总黄酮的吸附和解吸效果,筛选出纯化漆姑草总黄酮的最佳树脂,并对其吸附和解吸条件进行考察和优化,应用单因素实验,确定最佳纯化工艺。结果:AB-8 树脂具有最佳吸附和解吸特性,最佳工艺为上样液浓度1.076 mg/mL,pH为5.7,上样体积6 BV,以 3 BV 70%乙醇在流速2 BV/h 洗脱,得黄酮的质量分数为75.50%。结论:AB-8 树脂用于纯化漆姑草总黄酮,工艺稳定可靠。
【关键词】 大孔树脂;漆姑草;黄酮;纯化
【中图分类号】R284.1 【文献标志码】 A 【文章编号】1007-8517(2021)08-0035-05
Abstract:Objective To explore the the technique of purifying the total flavonoids of Herba Saginae Japonicae(FHS)by macroporous resin. Method The adsorption and desorption effects of 6 different types of macroporous adsorption resins on FHS was compared to screen out the best resin for purifying FHS, and investigated and optimized its adsorption and desorption conditions. the best optimization process was determined by application single factor experiment. Results AB-8 resin had the best adsorption and desorption characteristics. The best process was the sample concentration 1.076 mg/mL, pH 5.7, sample volume 6 BV, 3 BV 70% ethanol at sampling velocity of 2 BV/h eluting, and the mass fraction of flavonoids was 75.50%. Conclusion The AB-8 resin is used to purify FHS and the technique is stable and reliable.
Key words:Macroporous Resin; Lavender; Flavonoids; Purification
漆姑草(Spergula japonica Sw.)為石竹科植物漆姑草的全草,分布于东北、华北、华东、中南、西南及陕西、广西等地,具有凉血解毒、杀虫止痒之功效[1]。文献显示[2],漆姑草总黄酮对肿瘤具有一定的抑制作用,其中已分离得到的主要黄酮衍生物有:6,8-二-C-葡萄糖基芹菜素、6-C-阿拉伯糖基-8-C-葡萄糖基芹菜素、8-C-葡萄糖基芹菜菜、x″-O-鼠李糖基-6-C-葡萄糖基芹菜素[3]。目前,漆姑草总黄酮多采用溶剂提取法,但该法溶剂用量比较大,所得黄酮含量不高[4],还需要进一步纯化。大孔树脂是一种重要的聚合物吸收剂,常用于自然资源中生物活性化合物的制备分离和纯化。由于其高效,低污染和操作简单的特点,大孔树脂已被广泛用于从天然植物中分离和纯化活性成分,包括黄酮、生物碱、类萜和皂甙等[5]。本研究系统分析不同极性的大孔树脂对漆姑草总黄酮的吸附和解吸能力,在最佳条件下,使用选定的树脂纯化漆姑草总黄酮。……
