Fabrication, Characterization, and Antifungal Assessment of Oregano Essential Oil-Loaded Nano-silica Against Curvularia lunata in Brown Rot of Agaricus bisporus Storage

IF 5.3 2区农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Food and Bioprocess Technology Pub Date : 2023-05-12 DOI:10.1007/s11947-023-03125-x

Meng Cheng, Xiaoran Yan, Xiangyou Wang, Yirong Wang, Peixin Zhao, Juan Wang

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Abstract

In this study, we developed oregano essential oil-mesoporous nano-silica (OEO-MSNPs), a new and safe eco-friendly antifungal system. MSNPs showed ordered mesoporous structures by TEM, which can provide space for loading OEO. The FTIR characterization of MSNPs and OEO-MSNPs showed that OEO was successfully embedded into the MSNPs. The loading rate of OEO-MSNPs to OEO reached about 60%, and OEO-MSNPs had better antifungal activity against the mold (Curvularia lunata MF380802.1) found in postharvest decayed Agaricus bisporus. The antifungal effects of OEO-MSNPs against Curvularia lunata MF380802.1 (C. lunata) were investigated. Then, our results showed that the antifungal effect of OEO-MSNPs had a minimum inhibitory concentration (MIC) and a minimum fungicidal concentration (MFC) at 0.20 mg/mL and 0.40 mg/mL, respectively. Furthermore, the integrity of cell membranes and nuclear membranes of C. lunata was destroyed during the interaction with OEO-MSNPs, resulting in the exudation of nucleic acids, proteins, and other substances in vitro. This work provides a theoretical basis for the development of effective treatments to address the infection of C. lunata during the storage and preservation of Agaricus bisporus. This newly developed method for encapsulating EOs in MSNPs has potential application in the design of effective antimicrobial materials.

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牛至精油负载纳米二氧化硅对双孢蘑菇褐腐病的制备、表征及抑菌效果评价

在本研究中，我们开发了牛至精油-介孔纳米二氧化硅(OEO-MSNPs)，一种安全环保的新型抗真菌体系。透射电镜显示MSNPs具有有序的介孔结构，为OEO的加载提供了空间。MSNPs和OEO-MSNPs的FTIR表征表明，OEO成功嵌入到MSNPs中。OEO- msnps在OEO上的负载率达60%左右，对采后腐烂双孢蘑菇(Agaricus bisporus)真菌曲霉(Curvularia lunata MF380802.1)具有较好的抑菌活性。研究了oeo - msnp对弯孢菌MF380802.1 (C. lunata)的抑菌作用。结果表明，oeo - msnp的最低抑菌浓度(MIC)为0.20 mg/mL，最低杀菌浓度(MFC)为0.40 mg/mL。此外，在与OEO-MSNPs相互作用过程中，月牙蛾细胞膜和核膜的完整性被破坏，导致体外核酸、蛋白质等物质渗出。本研究为开发有效处理双孢蘑菇贮藏过程中月牙孢菌感染的方法提供了理论依据。这种将EOs包封在msnp中的新方法在有效抗菌材料的设计中具有潜在的应用前景。

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来源期刊

Food and Bioprocess Technology 农林科学-食品科技

CiteScore

9.50

自引率

19.60%

发文量

200

审稿时长

2.8 months

期刊介绍： Food and Bioprocess Technology provides an effective and timely platform for cutting-edge high quality original papers in the engineering and science of all types of food processing technologies, from the original food supply source to the consumer’s dinner table. It aims to be a leading international journal for the multidisciplinary agri-food research community. The journal focuses especially on experimental or theoretical research findings that have the potential for helping the agri-food industry to improve process efficiency, enhance product quality and, extend shelf-life of fresh and processed agri-food products. The editors present critical reviews on new perspectives to established processes, innovative and emerging technologies, and trends and future research in food and bioproducts processing. The journal also publishes short communications for rapidly disseminating preliminary results, letters to the Editor on recent developments and controversy, and book reviews.