PREPARATION OF EPA AND DHA ESTERS WITH HIGH PURITY BY SUPERCRITICAL CO<sub>2</sub> EXTRACTION AND RECTIFICATION

QIU Rong; FAN Weicheng; CHEN Jun

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PREPARATION OF EPA AND DHA ESTERS WITH HIGH PURITY BY SUPERCRITICAL CO₂ EXTRACTION AND RECTIFICATION

更新时间：2025-12-10

- PREPARATION OF EPA AND DHA ESTERS WITH HIGH PURITY BY SUPERCRITICAL CO₂ EXTRACTION AND RECTIFICATION
- CIESC Journal Issue 5, (2001)
- 作者机构：
  
  1. 中国科学技术大学火灾科学国家重点实验室
  2. 江苏理工大学生物与环境工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 May 2001，
  
  Published：25 May 2001
- 稿件说明：
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QIU Rong, FAN Weicheng, CHEN Jun. PREPARATION OF EPA AND DHA ESTERS WITH HIGH PURITY BY SUPERCRITICAL CO₂ EXTRACTION AND RECTIFICATION[J]. CIESC Journal, 2001, (5).
DOI：

QIU Rong, FAN Weicheng, CHEN Jun. PREPARATION OF EPA AND DHA ESTERS WITH HIGH PURITY BY SUPERCRITICAL CO₂ EXTRACTION AND RECTIFICATION[J]. CIESC Journal, 2001, (5). DOI：

摘要

Abstract

Fish oil ethyl esters complexed with aqueous silver nitrate solution were extracted and rectified by supercritical CO2 to obtain DHA ester and EPA ester with high purity. The effects of some independent variables

such as extraction pressure

temperature gradient of rectifying column and programmed pressure

on rectification were investigated.The results showed that programmed pressure is suitable for purification of EPA and DHA esters. Increase of column temperature gradient from bottom to top is one of the key elements in rectification. Furthermore

higher temperature gradient leads to better separation effect.

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PREPARATION OF EPA AND DHA ESTERS WITH HIGH PURITY BY SUPERCRITICAL CO2 EXTRACTION AND RECTIFICATION

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PREPARATION OF EPA AND DHA ESTERS WITH HIGH PURITY BY SUPERCRITICAL CO₂ EXTRACTION AND RECTIFICATION