Effects of solubility of Supercritical-CO2 solvent and mass transfer property on extraction of vitamin E from canola seeds

IF 6 1区农林科学 Q1 FOOD SCIENCE & TECHNOLOGY LWT - Food Science and Technology Pub Date : 2024-07-01 DOI:10.1016/j.lwt.2024.116302

John Shi , Sophia Xue , Qingrui Sun , Martin Scanlon

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Abstract

This study is to explore the solubility of the targeted Vitamin E from canola seeds in supercritical-CO₂ (SC–CO₂)solvent and their intricate relationship through the developed modelling approach. The study investigated the impact of pressure and temperature on the efficiency of Vitamin E extraction through the regulation of Vitamin E solubility and yield in SC-CO₂ solvent. These parameters played a crucial role in determining extraction efficiency. Pressures enhanced the solubility and density of Vitamin E, while elevated temperatures facilitated total Vitamin E extraction yield by promoting solvent diffusion and mass transfer through viscosity reduction. The optimal separation process of Vitamin E was achieved at 75ׄ°C, 18 MPa. The Vitamin E concentration in extracted oil is 12 times higher than Vitamin E contents in regular canola seed oil. The mathematical modeling revealed fundamental mechanisms governing the extraction process and offers useful information for optimizing extraction protocols in industrial applications.

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超临界二氧化碳溶剂的溶解度和传质特性对从油菜籽中萃取维生素 E 的影响

本研究旨在通过所开发的建模方法，探讨油菜籽中目标维生素 E 在超临界二氧化碳（SC-CO2）溶剂中的溶解度及其错综复杂的关系。研究通过调节维生素 E 在 SC-CO2 溶剂中的溶解度和产量，探讨了压力和温度对维生素 E 提取效率的影响。这些参数在决定萃取效率方面起着至关重要的作用。压力提高了维生素 E 的溶解度和密度，而温度升高则通过降低粘度促进溶剂扩散和传质，从而提高了维生素 E 的总萃取率。维生素 E 的最佳分离过程是在 75ׄ°C、18 兆帕的条件下实现的。萃取油中维生素 E 的浓度是普通菜籽油中维生素 E 含量的 12 倍。数学建模揭示了萃取过程的基本机制，为优化工业应用中的萃取方案提供了有用的信息。

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来源期刊

LWT - Food Science and Technology 工程技术-食品科技

CiteScore

11.80

自引率

6.70%

发文量

1724

审稿时长

65 days

期刊介绍： LWT - Food Science and Technology is an international journal that publishes innovative papers in the fields of food chemistry, biochemistry, microbiology, technology and nutrition. The work described should be innovative either in the approach or in the methods used. The significance of the results either for the science community or for the food industry must also be specified. Contributions written in English are welcomed in the form of review articles, short reviews, research papers, and research notes. Papers featuring animal trials and cell cultures are outside the scope of the journal and will not be considered for publication.