研究了层状纳米多孔改性粘土在气相中对迷迭香精油的吸附/解吸作用,以及该体系在食品中作为抗氧化剂和保鲜剂的能力。

IF 5.1 3区 生物学 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Doha Berraaouan, Mohamed Tirinsi, Ramzi A Mothana, Hanan M Al-Yousef, Marie-Laure Fauconnier, Samira Salhi, Abdesselam Tahani
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引用次数: 0

摘要

以改性蒙脱土为原料,研制了一种新型的具有抗氧化性能和特异性靶向能力的绿色复合材料,该材料对迷迭香精油的气体吸附无有害化学物质和过热。对改性粘土的吸附性能进行了测试,结果表明,钠质粘土对精油的亲和力最高。研究还发现,与有机粘土和柱状粘土相比,钠质粘土吸附的精油具有最高的抗氧化活性。吸附等温线显示,钠质粘土、有机粘土和柱状粘土的吸附值分别为40、30和18 mg g-1。为了评估实验数据,使用了三种模型:一阶,二阶和特定内扩散。根据模型的数据,二阶模型与实验结果吻合。这些结果表明,将改性粘土与精油结合可以创建适合于食品和制药应用的控释系统的材料。REO在钠质、有机和柱状粘土上的气体吸附能力主要取决于粘土外表面与精油活性分子之间的相互作用。在没有任何直接接触的情况下,粘土表面吸附的精油显示出对DPPH的抗氧化活性,这可以在食品包装、药物输送等方面的进一步研究中探索。REO的解吸量几乎不到吸附量的一半,其中包括物理吸附和化学吸附的相互作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation into the role of layered nanoporous modified clays for adsorption/desorption of rosemary essential oil in the gas phase and the ability of this system as an antioxidant and preservation agent in food applications.

A new green composite material with antioxidant properties and specific-targeting capabilities was developed using Montmorillonite Clay in modified forms for rosemary essential oil gaseous adsorption without harmful chemicals or excessive heat. The modified clays were tested for their adsorption capabilities, with the sodic clay showing the highest affinity for the essential oil. The study also found that the adsorbed essential oil on sodic clay had the highest antioxidant activity compared to the organic and pillared clays. Adsorption isotherms revealed values of 40, 30, and 18 mg g-1 for sodic, organic, and pillared clay respectively. To assess the experimental data three models were used: First Order, Second Order, and Intra-particular Diffusion. According to the models' data, the Second Order model fits the experimental results. These results suggest combining modified clays with essential oils can create materials suitable for controlled release systems in food and pharmaceutical applications. Highlights The capacity of gaseous adsorption of REO on sodic, organic, and pillared clays depends essentially on the interaction between the clay's external surface and the essential oil-active molecules. Adsorbed essential oil on clays' surfaces without any direct contact shows an antioxidant activity against DPPH that can be explored in further research concerning food packaging, drug delivery…etc. The desorbed amount of REO is practically less than half of the adsorbed quantity which involves both physisorption and chemisorption interactions.

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来源期刊
Bioresources and Bioprocessing
Bioresources and Bioprocessing BIOTECHNOLOGY & APPLIED MICROBIOLOGY-
CiteScore
7.20
自引率
8.70%
发文量
118
审稿时长
13 weeks
期刊介绍: Bioresources and Bioprocessing (BIOB) is a peer-reviewed open access journal published under the brand SpringerOpen. BIOB aims at providing an international academic platform for exchanging views on and promoting research to support bioresource development, processing and utilization in a sustainable manner. As an application-oriented research journal, BIOB covers not only the application and management of bioresource technology but also the design and development of bioprocesses that will lead to new and sustainable production processes. BIOB publishes original and review articles on most topics relating to bioresource and bioprocess engineering, including: -Biochemical and microbiological engineering -Biocatalysis and biotransformation -Biosynthesis and metabolic engineering -Bioprocess and biosystems engineering -Bioenergy and biorefinery -Cell culture and biomedical engineering -Food, agricultural and marine biotechnology -Bioseparation and biopurification engineering -Bioremediation and environmental biotechnology
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