Polyphenol extraction from industrial water by-products: a case study of the ULTIMATE project in the fruit processing industry.

IF 2.5 4区 环境科学与生态学 Q3 ENGINEERING, ENVIRONMENTAL
Water Science and Technology Pub Date : 2025-03-01 Epub Date: 2025-02-05 DOI:10.2166/wst.2025.015
Christophoros Christophoridis, Myrto Touloupi, Erasmia A Bizani, Dimitri Iossifidis
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引用次数: 0

Abstract

This study investigates the sustainable management and utilization of water resources in the fruit processing industry, focusing on a case study from the EU-funded ULTIMATE project. Conducted in a juice factory in Nafplio, Greece, the primary objective is to explore the recovery of polyphenols from water by-product streams generated during orange juice production. The research aims to evaluate the effectiveness of a mobile wastewater treatment unit in selectively adsorbing polyphenols onto a polymeric resin. The following three extraction methods are compared: conventional solvent extraction, subcritical water extraction (SWE), and supercritical CO2 extraction (SFE). To determine the most efficient extraction method, the polyphenol profiles of the extracts were analyzed using UHPLC-Q-Orbitrap-MS/MS, identifying flavonoids, terpenes, coumarins, and anthocyanins. SFE not only was the most efficient method but provided the most diverse and abundant profile. The research highlights the potential of converting industrial by-products that would otherwise be treated as wastewater, into valuable resources that generate revenue, promote circular economy practices, and enhance sustainability in the fruit and vegetable processing sector. The economic viability of polyphenol extraction is also discussed, emphasizing its significance and impact on various industries. The findings support integrating advanced extraction technologies to maximize resource recovery and minimize environmental impact.

从工业水副产品中提取多酚:以水果加工业ULTIMATE项目为例。
本研究以欧盟资助的ULTIMATE项目为研究对象,探讨了水果加工业中水资源的可持续管理和利用。在希腊纳夫普利奥的一家果汁工厂进行,主要目标是探索从橙汁生产过程中产生的水副产品流中回收多酚。该研究旨在评估移动废水处理单元在选择性地将多酚吸附到聚合树脂上的有效性。比较了常规溶剂萃取、亚临界水萃取(SWE)和超临界CO2萃取(SFE)三种萃取方法。为了确定最有效的提取方法,采用UHPLC-Q-Orbitrap-MS/MS分析了提取物的多酚谱,鉴定了黄酮类、萜烯类、香豆素类和花青素类。SFE不仅是最有效的方法,而且提供了最多样化和最丰富的剖面。该研究强调了将原本作为废水处理的工业副产品转化为产生收入的宝贵资源、促进循环经济实践和增强水果和蔬菜加工部门的可持续性的潜力。还讨论了多酚提取的经济可行性,强调了其对各行业的意义和影响。研究结果支持整合先进的开采技术,以最大限度地提高资源回收率,最大限度地减少对环境的影响。
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来源期刊
Water Science and Technology
Water Science and Technology 环境科学-工程:环境
CiteScore
4.90
自引率
3.70%
发文量
366
审稿时长
4.4 months
期刊介绍: Water Science and Technology publishes peer-reviewed papers on all aspects of the science and technology of water and wastewater. Papers are selected by a rigorous peer review procedure with the aim of rapid and wide dissemination of research results, development and application of new techniques, and related managerial and policy issues. Scientists, engineers, consultants, managers and policy-makers will find this journal essential as a permanent record of progress of research activities and their practical applications.
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