Supercritical fluid extraction of coumarins and flavonoids from citrus peel

IF 3.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL

Journal of Supercritical Fluids Pub Date : 2024-09-05 DOI:10.1016/j.supflu.2024.106396

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引用次数: 0

Abstract

The production manufacture of juices generates a large amount of waste consisting mainly of fruit peels. The peels are source of molecules such as coumarins and flavonoids. In this study, the peels of Citrus limonia, Citrus deliciosa, Citrus latifolia and Citrus sinensis were the raw material for supercritical fluid extraction. The Box-Behnken design was used to optimize the global yield in function of process variables. The chemical analysis of the extract was carried out by LC-MS and GC-MS. CFD was applied to the mass and momentum conservation equations in the study of supercritical extraction using citrus peels, which allowed the determination of unknown parameters of the bidimensional mathematical model. The flavonoids, nobiletin, sinensetin and tangeretin, as well as the coumarin, citropten, were identified in all species investigated. The maximum global yield obtained were 3.93 % for Citrus limonia, 4.18 % for Citrus deliciosa, 3.48 % for Citrus latifolia and 5.32 % for Citrus sinensis.

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从柑橘皮中超临界流体萃取香豆素和黄酮类化合物

果汁生产过程中会产生大量废物，主要是果皮。果皮是香豆素和类黄酮等分子的来源。在这项研究中，柠檬、甜柑、花叶柑和中华柚的果皮是超临界流体萃取的原料。采用方框-贝肯（Box-Behnken）设计法优化了工艺变量对总产量的影响。提取物的化学分析通过 LC-MS 和 GC-MS 进行。在使用柑橘皮进行超临界萃取的研究中，将 CFD 应用于质量和动量守恒方程，从而确定了二维数学模型的未知参数。在所研究的所有品种中都鉴定出了类黄酮、金没药素、山奈素和桔皮素，以及香豆素、柑橘烯。所获得的最大总产量分别为：柠檬酸柑橘 3.93%、美味柑橘 4.18%、花叶柑橘 3.48%、中华柚 5.32%。

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来源期刊

Journal of Supercritical Fluids 工程技术-工程：化工

CiteScore

7.60

自引率

10.30%

发文量

236

审稿时长

56 days

期刊介绍： The Journal of Supercritical Fluids is an international journal devoted to the fundamental and applied aspects of supercritical fluids and processes. Its aim is to provide a focused platform for academic and industrial researchers to report their findings and to have ready access to the advances in this rapidly growing field. Its coverage is multidisciplinary and includes both basic and applied topics. Thermodynamics and phase equilibria, reaction kinetics and rate processes, thermal and transport properties, and all topics related to processing such as separations (extraction, fractionation, purification, chromatography) nucleation and impregnation are within the scope. Accounts of specific engineering applications such as those encountered in food, fuel, natural products, minerals, pharmaceuticals and polymer industries are included. Topics related to high pressure equipment design, analytical techniques, sensors, and process control methodologies are also within the scope of the journal.