文献类型：期刊文献

中文题名：超微粉碎与常规粉碎对白花泡桐叶中熊果酸提取率的影响

英文题名：Study on Ursolic Acid Extraction Rate by Ultramicro Smashing and Conventional Smashing from Leaves of Paulownia fortunei

作者：余晓晖[1];赵磊[1];邵晶[1];陈旅翼[1];陈宇红[2]

第一作者：余晓晖

机构：[1]甘肃中医学院,甘肃兰州730000;[2]西北第二民族大学,宁夏银川750001

第一机构：甘肃中医药大学

年份：2008

卷号：31

期号：10

起止页码：1562

中文期刊名：中药材

外文期刊名：Journal of Chinese Medicinal Materials

收录：MEDLINE(收录号：19230417);CSTPCD;;Scopus(收录号：2-s2.0-70350754602);北大核心:【北大核心2004】；CSCD:【CSCD2011_2012】；PubMed;

基金：国家民委粉体材料与特种陶瓷重点开放实验室项目(0504)

语种：中文

中文关键词：白花泡桐;熊果酸;常粉;微粉

外文关键词：Paulowniafortunei （Seem.） Hemsl. ; Ursolie acid; Conventional powder; Ultramicro powder

摘要：目的:研究白花泡桐叶常粉与超微粉中熊果酸的提取率。方法:用不同时间超声提取常粉与超微粉中熊果酸,用HPLC测定其含量并进行比较。结果:相同量的常粉和微粉白花泡桐叶,超微粉碎后熊果酸的提取量几乎是常规粉碎熊果酸中提取量的2倍;从提取时间来看,超微粉到达提取上限的时间为5 min,而常粉达到提取上限的时间为20 min。结论:白花泡桐叶中熊果酸采用超微粉碎比常规粉碎提取效率高。
Objective ：To study on ursolic acid extraction rate from leaves of Paulownia fortunei by conventional powder and ultramicro powder. Methods：We spent different time extracting ursolic acid from coventional powder and ultramicro powder,then determined the content by HPLC and compared. Results ： In uhramiero powder the extraction of ursolic acid was nearly twice of conventional powder;The time reaching the maximum extraction of ultramicro powder was 5 minutes, but that of conventional powder was 20 minutes. Conclusions：The extraction of ursolie acid from leaves of Paulownia fortunei by ultramicro smashing is more efficient.