摘要
用孔状结构和一定生物活性的矿物保健药石——麦饭石和生理相容性较好的N-乙烯基吡咯烷酮(NVP)为原料,采用水溶液聚合法制备了交联聚乙烯吡咯烷酮(PVPP)/麦饭石复合凝胶吸附材料,研究了PVPP/麦饭石复合凝胶和PVPP对绿茶饮料的处理效果与条件。研究表明,5 g/L PVPP/麦饭石复合凝胶于50℃条件下处理绿茶饮料100 min,对茶多酚的去除率达到18.40%,且PVPP/麦饭石复合凝胶对茶多酚的去除效果较PVPP好。
With porous structure and biological active mineral health care medicine--maifan stone and physiological compati- bility better N-pyrrolidone （NVP） as raw materials,a PVPP/maifan stone composite gel adsorption material was synthesized by aqueous solution polymerization method. Treatment effect on green tea beverage and treating conditions were studied. The re- suits showed that the adsorption rate of PVPP/maifan stone composite gel to tea polyphenol was 18.40% when the tea bever- age was treated with 5 g/L of PVPP/maifan stone composite gel concentration at 50℃ for 100 min. The removal effect of tea polyphenols with PVPP/maifan stone composite gel was better than with PVPP.
出处
《湖北农业科学》
2015年第10期2374-2376,共3页
Hubei Agricultural Sciences
基金
国家自然科学基金项目(21464005)
贵州省科学技术基金计划项目[黔科合J字(2013)2245号]
贵州省教育厅招标项目[黔教合KY字(2013)166]
贵州省应用化学特色重点学科项目[黔教科研发(2012)442号]
贵州师范学院校级课题项目(13BS016)
关键词
PVPP
麦饭石
绿茶
茶多酚
polyvinyrrolidone（PVPP）
maifanshi
green tea
tea polyphenol
