鱼粉加工压榨液中EPA和DHA富集工艺优化及其特性分析

曹少谦; 孙程; 秦伟力; 褚盈雁; 李冲冲; 王正东; 戚向阳; 杨华

doi:10.13386/j.issn1002-0306.2020040017

鱼粉加工压榨液中EPA和DHA富集工艺优化及其特性分析

曹少谦^1,2,
孙程¹,
秦伟力¹,
褚盈雁¹,
李冲冲¹,
王正东³,
戚向阳^1,2, ,,
杨华^1,2

1. 浙江万里学院生物与环境学院, 浙江宁波 315100;
2. 宁波市农产品加工技术重点实验室, 浙江宁波 315100;
3. 宁波裕天海洋生物科技有限公司, 浙江宁波 315100

基金项目:

浙江省重点研发计划项目（2019C02071）；宁波市公益类科技计划项目（202002N3073）；访问工程师校企合作项目（FG2019001）。

详细信息

作者简介:
曹少谦(1980-),女,博士,副教授,研究方向:农产品贮藏加工研究,E-mail:shaoqiancao@sina.com。

通讯作者:
戚向阳(1968-),女,博士,教授,研究方向:天然产物化学研究,E-mail:qixiangyang85@sina.com。

中图分类号: TS254.1
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- 文章访问数: 0243
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出版历程
- 收稿日期: 2020-04-02
- 网络出版日期: 2021-01-20
- 刊出日期: 2021-01-14

Enrichment of EPA and DHA from Pressed Liquor of Fish Meal Processing and Its Characteristics Analysis

1. College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China;
2. Key Lab of Agricultural Products Processing of Ningbo, Ningbo 315100, China;
3. Ningbo Yutian Marine Biotechnology Co., Ltd., Ningbo 315100, China

摘要

摘要: 为富集鱼粉加工压榨液中EPA和DHA，采用尿素包合和分子蒸馏相结合的方法对EPA和DHA进行富集，并优化工艺，同时对富集后鱼油进行理化指标及脂肪酸分析。结果表明，尿素包合条件为：尿素/鱼油1.5：1（m/m）、溶剂/鱼油6：1（v/m）、结晶温度0℃、结晶时间15 h、包合次数1次；分子蒸馏条件为：蒸馏温度110℃、刮膜器转速250 r/min、进料速率3 mL/min、压力5 Pa、二级蒸馏。联合采用尿素包合和二级分子蒸馏可使精炼鱼油中EPA和DHA含量由22.68%提高到87.50%，且EPA/DHA约为0.58，富集后鱼油理化指标均达到精制鱼油一级标准。
- 鱼粉加工压榨液 /
- EPA /
- DHA /
- 富集 /
- 特性
Abstract: In order to enrich EPA and DHA from pressed liquor of fish meal processing,the method of urea inclusion and molecular distillation were used,and the processing was optimized. The physicochemical indexes and fatty acid analysis of the enriched fish oil were carried out. The results showed that the ratio of urea to fish oil was 1.5:1,the ratio of solvent to fish oil was 6:1,the crystallization temperature was 0 ℃,the crystallization time was 15 h,and the inclusion times were once. The conditions of molecular distillation were as follows:Distillation temperature was 110 ℃,scraping speed was 250 r/min,flow rate was 3 mL/min,pressure was 5 Pa,and two level of molecular distillation was used. After urea inclusion and molecular distillation,the EPA and DHA content could increase from 22.68% to 87.50%,and EPA/DHA was about 0.58. The physicochemical indexes of enriched fish oil accorded with quality requirements for the first grade standard of refined fish oil.
- pressed liquor of fish meal processing /
- EPA /
- DHA /
- enrichment /
- characteristics analysis

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