期刊论文

中文

衡阳师范学院学报

1673-0313

2002

23

3

13-15

10.13914/j.cnki.cn43-1453/z.2002.03.004

本校为其他机构

采用超临界CO2萃取除虫菊中有效成分除虫菊酯.研究了萃取压力、萃取温度对产品的收率和品质的影响,以及CO2流量和萃取时间的关系.其最优化工艺条件为:压力16Mpa,温度40℃,当CO2流量为20m3/h时,萃取时间为2小时.

Extraction of active constit ue nts from pyrethrum by supercritical CO_2 at different conditions of pressure?t emperture to estimate the yield and quality,and the relation of CO_2 outflow an d contact time.The better conditions is pressure range 16MPa,temperture ran...