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首页> 外文会议>International Symposium on Supercritical Fluids Tome 1: Natural Products, Process amp; Equipment Development; 20030428-20030430; Versailles; FR >OPTIMIZATION OF SUPERCRITICAL FLUID EXTRACTION FOR ESSENTIAL OILS FROM BITTER ORANGE (Var. Amara)
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OPTIMIZATION OF SUPERCRITICAL FLUID EXTRACTION FOR ESSENTIAL OILS FROM BITTER ORANGE (Var. Amara)

机译：超临界流体萃取苦橙精油的方法（Var。Amara）

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The supercritical fluid extraction of bitter orange essential oil was studied using dehydrated bitter orange peel as raw material and CO_2 as solvent. The influence of different operation conditions was analysed in the pressure range from 100 to 300 atm at temperatures 35,45 and 55℃ for a static time of 20 minutes. In these experiments, the duration of dynamic time was varied from 15 to 35 minutes and also the concentration of co-solvent (methanol) was increased from 0 to 10% (V/V). Limonene was the principal component extracted, the optimum conditions for limonene extraction were P=300 atm, T=45℃, t_d=15 min and C_(co-solvent)=10% (V/V). In these conditions limonene represents more than 94% of the essential oil.
机译：以脱水苦橙皮为原料，以CO_2为溶剂，研究了苦橙精油的超临界萃取工艺。在温度为35,45和55℃，静态时间为20分钟的情况下，在100至300 atm的压力范围内分析了不同操作条件的影响。在这些实验中，动态时间的持续时间从15到35分钟不等，助溶剂（甲醇）的浓度也从0％增加到10％（V / V）。柠檬烯是提取的主要成分，柠檬烯的最佳提取条件为P = 300 atm，T = 45℃，t_d = 15 min，C_（助溶剂）= 10％（V / V）。在这些条件下，柠檬烯占香精油的94％以上。

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