ZHAIShuo-li.StudyonSupercriticalCO2ExtractionofFlavonoidsfromPortulacaoleraceaL.[J].Northern Horticulture,2012,36(12):45-47.
超临界CO2萃取马齿苋中总黄酮的工艺研究
- Title:
- StudyonSupercriticalCO2ExtractionofFlavonoidsfromPortulacaoleraceaL.
- 文章编号:
- 1001-0009（2012）12-0045-03
- Keywords:
- supercriticalCO2; PortulacaoleraceaL.; flavonids
- 分类号:
- Q946-33
- 文献标志码:
- A
- 摘要:
- 采用单因素和正交实验方法，从萃取压力、萃取温度、萃取时间、夹带剂用量4个因素上对超临界CO2萃取技术萃取马齿苋中总黄酮进行了研究。结果表明：最佳萃取工艺条件为：压力为30MPa，温度为45℃，时间为2h，夹带剂用量4.0mL/g可使马齿苋中黄酮萃取率达到8.55%;影响萃取率的各因素大小顺序为：压力＞夹带剂用量＞温度＞时间。
- Abstract:
- Bysinglefactorandorthogonalexperiment,thesupercriticalCO2technologywasusedtoextractflavonidsfromPortulacaoleraceaL.Theeffectsofpressure，temperature,timeanddosageofchemicalpreparationonextractabilitiesofflavonewerestudied.Theresultsshowedthatthebestcraftconditionswere：extractiontressure30MPa,extractiontemperature45℃,extractiontime2.0h,dosageofchemicalpreparation4.0mL/g,andtheextractionratewas8.55%.Thesuccessiveorderofdifferenteffectfactorswasextractionpressure>dosageofchemicalpreparation>extractiontemperature>extractiontime.
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备注/Memo
作者简介：翟硕莉（1982-），女，河北邢台人，硕士，讲师，研究方向为食品分析及食品微生物，现主要从事生物技术方面的教学与研究工作。E-mail：zsl811210@163.com。
收稿日期：2012-03-15