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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 >ISOLATION OF ISOFLAVONES FROM RED CLOVER (TRIFOLIUM PRATENSE) BY MEANS OF SFE
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ISOLATION OF ISOFLAVONES FROM RED CLOVER (TRIFOLIUM PRATENSE) BY MEANS OF SFE

机译：通过SFE手段从红三叶草（三叶草）中分离异黄酮

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摘要

The aim of this work was to produce continuously isoflavones from raw ethanolicred clover extract. Batch and counter-current (CC) supercritical fluid extraction (SFE) has been studied in the development of such a process. It has been shown that isoflavones Biochanin A and Formononetin can be obtained at high selectivity from raw material, using a continuous SFE at moderate pressure and temperature with 5 - 7 % EtOH as modifier. Following steps were involved in this study: 1) Parameter variation in a batch extraction plant of 4L capacity to study the effect of temperature, pressure, modifier and its concentration on the extraction process, 2) Experiments in a 2, 2m lab scale CC-SFE plant to study the continuous operation.
机译：这项工作的目的是从未加工的乙醇化三叶草提取物中连续生产异黄酮。在这种方法的开发中，已经研究了间歇和逆流（CC）超临界流体萃取（SFE）。已经显示，在中等压力和温度下使用连续的SFE，以5％至7％的EtOH作为改性剂，可以从原料中高选择性地获得异黄酮Biochanin A和Formononetin。这项研究涉及以下步骤：1）在容量为4L的批量提取工厂中进行参数变化，以研究温度，压力，改性剂及其浓度对提取过程的影响； 2）在2、2m实验室规模的CC- SFE工厂要研究连续运行。

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