A Sustainable Multistage Process for Immobilizing Bioactive Compounds on Layered Double Hydroxides

IF 4.3 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

ACS Applied Electronic Materials Pub Date : 2024-04-02 DOI:10.3390/cosmetics11020052

S. Coiai, Elisa Passaglia, Alice Telleschi, Werner Oberhauser, M. Coltelli, F. Cicogna

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引用次数: 0

Abstract

Hybrid systems with antioxidant properties have been developed by integrating bioactive compounds derived from plant resources with layered double hydroxides (LDHs). Anion exchange has been used to substitute intercalated nitrate anions in Mg-Al LDH with carboxylate anions derived from trans-ferulic acid, rosmarinic acid, and 18β-glycyrrhetinic acid. These organic compounds are known for their powerful antioxidant, anti-inflammatory and antimicrobial properties and are highly suitable for cosmetics, biomedicine, and food packaging. To enhance sustainability, a multistage procedure has been developed with the aim of recovering unexchanged carboxylate anions from residual reaction water, ensuring an environmentally friendly and easily scalable preparation process. The process, adapted for each of the three molecules, allows the production of a consistently high-quality hybrid product containing an organic fraction ranging from 10 to 48% by weight, depending on the specific molecule used. The immobilization of organic compounds has occurred either within the layers of LDH through intercalation or on the external surface through adsorption. Good antioxidant capacity has been exhibited by these powdered hybrid systems, as assessed through both the DPPH and linoleic acid/β-carotene tests. Sustainable production practices are enabled by this innovative approach, which also opens avenues for the development of advanced materials for diverse applications across various industries.

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在层状双氢氧化物上固定生物活性化合物的可持续多级工艺

通过将从植物资源中提取的生物活性化合物与层状双氢氧化物（LDH）相结合，开发出了具有抗氧化特性的混合系统。阴离子交换被用于用从反式阿魏酸、迷迭香酸和 18β-甘草次酸中提取的羧酸根阴离子替代镁铝 LDH 中的插层硝酸根阴离子。这些有机化合物具有强大的抗氧化、消炎和抗菌特性，非常适合用于化妆品、生物医学和食品包装。为了提高可持续性，我们开发了一种多阶段工艺，目的是从残余反应水中回收未交换的羧酸根阴离子，确保制备工艺既环保又易于扩展。该工艺适用于三种分子中的每一种，可以生产出始终如一的高质量混合产品，其中有机部分的重量百分比从 10% 到 48%不等，具体取决于所使用的特定分子。有机化合物通过插层作用固定在 LDH 层内，或通过吸附作用固定在外表面。经 DPPH 和亚油酸/β-胡萝卜素测试评估，这些粉末状混合系统具有良好的抗氧化能力。这种创新方法实现了可持续的生产实践，也为各行各业不同应用领域的先进材料开发开辟了道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567

期刊介绍： ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric. Indexed/Abstracted： Web of Science SCIE Scopus CAS INSPEC Portico