摘要
利用11种大孔吸附树脂对乌饭树树叶黑色素进行纯化分析,AB-8、NKA-9和S-8型大孔吸附树脂的静态吸附量和解吸率较高。由吸附与时间的关系曲线选择AB-8型大孔吸附树脂进行动态分析,得出最佳的纯化条件为:pH为5.05左右,溶液浓度为0.68-1.33mg/mL,吸附流速为3mL/mln。使用7倍体积的95%乙醇解吸率可以超过95%。树脂使用三次后必须进行再生处理。
We purified the black pigment from Vaccinium bracteatum Thunb leaves by resin. The adsorption rote and desorption rate of AB-8 resin were better than others. The optimum conditions were as following: pH 5.05, concentration 0.68 - 1.33 mg/ mL,flow rate 3 mL/min. The resin should be retextured after using for three times.
出处
《天然产物研究与开发》
CAS
CSCD
2006年第1期20-24,共5页
Natural Product Research and Development
关键词
树脂
乌饭树
黑色素
纯化
resin
Vaccinium bracteatum Thunb
black pigment
purification