The road to reuse of walnut by-products: A comprehensive review of bioactive compounds, extraction and identification methods, biomedical and industrial applications

文献类型： 外文期刊

第一作者： Zhu, Kaiyang

作者： Zhu, Kaiyang;Ma, Ji;Cong, Junzhao;Lei, Hongjie;Xu, Huaide;Li, Mei;Zhang, Ting;Luo, Zisheng

作者机构：

关键词： Walnut by-products; Phytochemicals; Extraction methods; Bioactivities; Applications; Circular economy

期刊名称：TRENDS IN FOOD SCIENCE & TECHNOLOGY （ 影响因子：15.3； 五年影响因子：16.6 ）

ISSN： 0924-2244

年卷期： 2024 年 143 卷

页码：

收录情况： SCI

摘要： Background: Walnuts have high nutrition value and are one of the most popular nuts worldwide. A large amount of by-products including green walnut husk, walnut shell, walnut septum and walnut meal are generated during walnut oil processing. Walnut by-products contain a variety of bioactive compounds that could be applied in food, chemical and biomedical industries as native additives and functional components.Scope and approach: In this review, some recent advances in walnut by-products as potential sources of bioactive compounds are summarized. Special attention was given to main bioactive compounds in various parts of walnuts, such as their biological properties, extraction processes and applications in different fields.Key findings and conclusions: Walnut by-products are important source of functionally diverse bioactive com-pounds with antioxidant capacity, antibacterial, blood pressure regulating, immune enhancing, neuroprotective and memory consolidation. Moreover, walnut by-products are chemically inert, biodegradable, and non-toxic materials, and thus can be used in the preparation of biological activated carbon and filtering medium. Owing to these great application prospects, further studies on physicochemical properties, bioavailability and bio-security should be considered. To save production cost, novel efficient extraction technologies of bioactive compounds from walnut by-products should be focused on in the food and drug industries.

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