Phenolic compounds from macadamia husk: An updated focused review of extraction methodologies and antioxidant activities

IF 3.5 2区 农林科学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Food and Bioproducts Processing Pub Date : 2024-09-16 DOI:10.1016/j.fbp.2024.09.014
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Abstract

This review explores the potential of agri-food waste materials, with a particular focus on macadamia nut by-products. Industrial processing of macadamia nuts yields a significant volume of by-products, including green husk and woody shell. Recent research has highlighted these by-products as readily available, cost-effective rich sources of phenolic compounds, renowned for their potent antioxidant and antibacterial properties. This paper emphasizes the importance of selecting an optimal extraction method to fully harness the bioactive potential of these phenolic compounds. In this work, we provide a comprehensive overview of conventional and advanced extraction techniques that are used to extract phenolic compounds from macadamia by-products, with a particular focus on the methods applied to macadamia green husk. Among the various techniques, it appears that ultrasound-assisted extraction, especially when combined with aqueous organic solvents, is more efficient than other methods for this purpose. This review also addresses the challenges in phenolic compound recovery, primarily due to the lack of a standardized extraction process. This often results in the extensive use of extraction solvents to achieve an extract that is rich in phenolic compounds. Overall, this research offers a valuable understanding of the most effective methods for the extraction and recovery of phenolic compounds from macadamia by-products and discusses the potential for scaling up these extraction processes. Hence, it can serve as a useful resource for researchers and industry professionals interested in sustainable and efficient utilization of by-products of the nut industry.

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夏威夷果壳中的酚类化合物:萃取方法和抗氧化活性的最新重点综述
本综述探讨了农业食品废料的潜力,尤其关注澳洲坚果的副产品。夏威夷果的工业加工产生了大量副产品,包括青壳和木质外壳。最近的研究强调,这些副产品是现成的、具有成本效益的酚类化合物的丰富来源,因其强大的抗氧化和抗菌特性而闻名。本文强调了选择最佳提取方法以充分利用这些酚类化合物的生物活性潜力的重要性。在这项工作中,我们全面概述了用于从澳洲坚果副产品中提取酚类化合物的传统和先进提取技术,并特别关注了应用于澳洲坚果绿壳的方法。在各种技术中,超声波辅助萃取似乎比其他方法更有效,尤其是与水性有机溶剂结合使用时。本综述还讨论了酚类化合物回收所面临的挑战,这主要是由于缺乏标准化的萃取工艺。这通常会导致大量使用萃取溶剂来获得富含酚类化合物的提取物。总之,这项研究对从澳洲坚果副产品中萃取和回收酚类化合物的最有效方法提供了宝贵的认识,并讨论了扩大这些萃取工艺的潜力。因此,对于对坚果业副产品的可持续高效利用感兴趣的研究人员和行业专业人士来说,该研究可作为有用的资源。
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来源期刊
Food and Bioproducts Processing
Food and Bioproducts Processing 工程技术-工程:化工
CiteScore
9.70
自引率
4.30%
发文量
115
审稿时长
24 days
期刊介绍: Official Journal of the European Federation of Chemical Engineering: Part C FBP aims to be the principal international journal for publication of high quality, original papers in the branches of engineering and science dedicated to the safe processing of biological products. It is the only journal to exploit the synergy between biotechnology, bioprocessing and food engineering. Papers showing how research results can be used in engineering design, and accounts of experimental or theoretical research work bringing new perspectives to established principles, highlighting unsolved problems or indicating directions for future research, are particularly welcome. Contributions that deal with new developments in equipment or processes and that can be given quantitative expression are encouraged. The journal is especially interested in papers that extend the boundaries of food and bioproducts processing. The journal has a strong emphasis on the interface between engineering and food or bioproducts. Papers that are not likely to be published are those: • Primarily concerned with food formulation • That use experimental design techniques to obtain response surfaces but gain little insight from them • That are empirical and ignore established mechanistic models, e.g., empirical drying curves • That are primarily concerned about sensory evaluation and colour • Concern the extraction, encapsulation and/or antioxidant activity of a specific biological material without providing insight that could be applied to a similar but different material, • Containing only chemical analyses of biological materials.
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