首页> 外文会议>International Symposium on Supercritical Fluids Tome 1: Natural Products, Process amp; Equipment Development; 20030428-20030430; Versailles; FR >SUPERCRITICAL FLUID EXTRACTION OF TAGITININ C FROM TITHONIA DIVERSIFOLIA: COMPARISON OF EXTRACTION YIELD AND SELECTIVITY BETWEEN SUPERCRITICAL FLUID AND CLASSICAL METHODS OF EXTRACTION
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SUPERCRITICAL FLUID EXTRACTION OF TAGITININ C FROM TITHONIA DIVERSIFOLIA: COMPARISON OF EXTRACTION YIELD AND SELECTIVITY BETWEEN SUPERCRITICAL FLUID AND CLASSICAL METHODS OF EXTRACTION

机译:超白藜芦醇中超甜蛋白C的超临界萃取:超临界萃取与传统萃取方法的得率和选择性的比较

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摘要

Tagitinin C was extracted from the aerial parts of Tithonia diversifolia using supercritical carbon dioxide and was quantified by FTIR spectroscopy. The optimized supercritical fluid extraction (SFE optimize) was compared to Soxhlet extraction with dichloromethane (S) and to maceration followed by lixiviation with ether (ML). The results demonstrated that the SFE optimized is an effective and selective extraction method for tagitinin C. Soxhlet extraction with dichloromethane and maceration followed by lixiviation with ether gave similar extraction yields but the tagitinin C concentration in S extract (15.6% w/w) and in ML extract (30.7% w/w) was lower than that in the optimized SFE extract (52.8% w/w).
机译:使用超临界二氧化碳从虎眼草的地上部分提取塔基汀C,并通过FTIR光谱进行定量。将优化的超临界流体萃取(SFE优化)与用二氯甲烷(S)进行的索氏萃取和浸渍(随后浸入乙醚(ML))进行比较。结果表明,优化的SFE是塔格霉素C的一种有效,选择性的提取方法。用二氯甲烷索氏提取并浸渍,然后用乙醚浸提,可以得到相似的提取率,但S提取物中塔亭霉素C的浓度为15.6%w / w。 ML提取物(30.7%w / w)低于优化的SFE提取物(52.8%w / w)。

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