超临界技术在生物活性化合物生产中的应用:2009 - 2013年在LASEFI进行的研究

G. Zabot, Moysés N. Moraes, M. Meireles
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引用次数: 6

摘要

本文介绍了2009年至2013年期间在巴西坎皮纳斯大学食品工程系(DEA)/食品工程学院(FEA) LASEFI(超临界技术实验室:植物提取物的提取、分离和鉴定)进行的科学研究综述。目前的研究项目围绕着超临界流体在几个领域的应用展开。其中一个项目包括使用超临界抗溶剂(SAS)和超临界流体萃取(SFEE)技术生产和封装微纳米生物活性化合物。另一个项目重点是利用超临界技术获得花青素、类胡萝卜素、类黄酮、挥发油和生育三烯醇。实验包括工艺参数的确定和提取物的化学性质。利用亚/超临界水+ CO2水解农工业副产品用于制糖和第二代乙醇生产。最近,组装了一个自制的多用途系统,该系统包含两个不同形状的1 L萃取器,以评估床的几何形状对动力学萃取率和萃取物化学成分的影响。在另一个项目中,生产和封装高附加值植物提取物的在线工艺与连续模式下的超临界流体萃取(SFE)生物活性化合物相结合。这些项目使用配备0.005 L - 5l萃取器的SFE萃取系统,1个包含0.05 L反应器的水解系统和1个包含0.65 L反应器的微粉化系统进行。在过去的四年中,发表了57篇论文和100多篇会议论文(全文和摘要)。由于植物基质的功能特性及其在食品和制药工业中的潜在应用,大量的植物基质被选择用于研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Supercritical Technology Applied to the Production of Bioactive Compounds: Research Studies Conducted at LASEFI from 2009 to 2013
This paper presents a review of the scientific research studies conducted in the period from 2009 to 2013 at LASEFI (Laboratory of Supercritical Technology: Extraction, Fractionation and Identification of Vegetal Extracts) - Department of Food Engineering (DEA)/School of Food Engineering (FEA), University of Campinas (UNICAMP)/Brazil. The current research projects revolve around the use of supercritical fluids in several areas. One of these projects covers the production and encapsulation of micro- and nano-bioactive compounds using Supercritical Antisolvent (SAS) and Supercritical Fluid Extraction from Emulsions (SFEE) techniques. Another project is focused on obtaining anthocyanins, carotenoids, flavonoids, volatile oils and tocotrienols by applying supercritical technology. The experiments involve the determination of process parameters and the chemical characterization of the extracts. The hydrolysis of agroindustrial co-products using sub/supercritical water + CO2 for sugar production and second generation ethanol production are also performed. Recently, a home-made multipurpose system containing two extractors of 1 L each with different shapes was assembled to evaluate the influence of the bed geometry on the kinetic extraction yields and on the chemical composition of the extracts. In yet another project, online processes that produce and encapsulate vegetal extracts of high added value are coupled with supercritical fluid extraction (SFE) of bioactive compounds in continuous mode. These projects are performed using SFE extraction systems equipped with 0.005 L - 5 L extractors, 1 hydrolysis systems containing a 0.05 L reactor and 1 micronization systems containing a 0.65 L reactor. In the past 4 years, 57 articles and over 100 conference papers (full length and abstracts) have been published. A large number of botanic matrices have been selected for study due to their functional properties and their potential applications in the food and pharmaceutical industries.
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