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1材料GM32-1型超临界二氧化碳萃取装置:大连光明超临界技术开发中心。试药:北五味子,购于黑龙江省药材公司。2实验方法采用超临界CO2流体萃取(SFE-CO2)[1]及正交实验因素与水平设计。影响萃取效果的因素主要有萃取温度、萃取压力、萃取时间、药材投药量(堆积密度)、CO2流量、分
1 Materials GM32-1 type supercritical carbon dioxide extraction device: Dalian Guangming Supercritical Technology Development Center. Reagents: Schisandra, purchased from Heilongjiang Province herbs company. 2 Experimental methods Supercritical CO2 fluid extraction (SFE-CO2) [1] and orthogonal experimental design and level. Factors affecting the extraction efficiency are the extraction temperature, extraction pressure, extraction time, medicine dosage (bulk density), CO2 flow, points