1) Supercritical fluid extraction(CO2)
CO2超临界流体萃取法
2) Supercritical CO_2 fluid extraction
超临界CO2流体萃取
1.
Technology for supercritical CO_2 fluid extraction of tocotrienols from hulless-barley;
采用四元二次通用旋转设计研究了裸大麦中生育三烯酚的超临界CO2流体萃取工艺。
3) supercritical CO_2 extraction
超临界CO2流体萃取
1.
) fruit was studied using technique of supercritical CO_2 extraction with suitable cosolvent.
采用超临界CO2流体萃取技术选择适合的夹带剂,进行了从杜仲果实中提取桃叶珊瑚苷的工艺研究。
4) SFE-CO_2
超临界CO2流体萃取
1.
The extracts from fructus Cnidii were obtained by different methods including supercritical carbon dioxide fluid extraction(SFE-CO_2) and ethyl acetate solvent extraction(SE).
用超临界CO2流体萃取(SFE-CO2)和乙酸乙酯提取(SE)蛇床子中的有效成分,采用气相色谱-质谱法(GC-MS)对SFE-CO2和SE提取物进行了化学成分的对比研究。
2.
Celery seed essential oils were extracted for tobacco casing by different methods including supercritical carbon dioxide fluid extraction(SFE-CO_2), simultaneous water distillation-solvent extraction(SDE) and organic solvent extraction(SE).
应用超临界CO2流体萃取(SFE-CO2)、同步水蒸气蒸馏-溶剂萃取(SDE)和有机溶剂提取(SE)方法提取芹菜籽中的香味成分,对不同提取方法制备的芹菜籽精油进行了得率、制备工艺、闻香评价、化学组成和卷烟加香应用效果等方面的对比研究。
3.
RESULTS: SFE-CO_2 extraction gained 32 known constituents and steam distillation 33 ones.
方法:采用超临界CO2流体萃取法(SFE-CO2)和水蒸气蒸馏法(SD)从苗药双肾草中提取挥发油,应用气相色谱-质谱联用技术(GC-MS)对其化学成分进行分析鉴定,测定了各化合物的相对百分含量,并对两种方法提取的挥发油进行比较。
6) supercritical CO2 fluid extraction
超临界CO2流体萃取
1.
To degrease and to decolor on mongolia mushroom through supercritical CO2 fluid extraction, the effects of this methodon polysaccharide extraction were studied .
采用超临界CO2流体萃取技术脱除蒙古口蘑中脂类及色素物质,并研究其对蒙古口蘑多糖提取率的影响。
2.
Two extraction methods(the supercritical CO2 fluid extraction and organic solvent extraction) were tested to select the better method for extracting α-linolenic acid from kiwi fruit seeds.
传统猕猴桃加工工艺中大量富含α-亚麻酸的猕猴桃籽残渣被丢弃而造成极大浪费,为了研究猕猴桃籽中α-亚麻酸的提取工艺,进行了利用有机溶剂萃取技术和超临界CO2流体萃取技术萃取猕猴桃籽中α-亚麻酸试验。
3.
[Methods] The volatile oil was extracted from Artemisia indica and Artemisia argyi respectively by Supercritical CO2 Fluid Extraction.
[方法]采用超临界CO2流体萃取法分别提取艾叶和广西产五月艾中的挥发油,并通过GC-MS技术对艾叶和五月艾的挥发油成分进行分析。
补充资料:萃取法
利用溶质在互不相溶的溶剂里溶解度的不同,用一种溶剂把溶质从另一溶剂所组成的溶液里提取出来的操作方法.例如,用四氯化碳从碘水中萃取碘,就是采用萃取的方法.
萃取分离物质时,使用分液漏斗.
萃取分离物质的操作步骤是:把用来萃取(提取)溶质的溶剂加入到盛有溶液的分液漏斗后,立即充分振荡,使溶质充分转溶到加入的溶剂中,然后静置分液漏斗.待液体分层后,再进行分液.如要获得溶质,可把溶剂蒸馏除去,就能得到纯净的溶质.
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条