Inhibition Mechanism of <i>Cinnamomum burmannii</i> Leaf Essential Oil Against <i>Aspergillus flavus</i> and Aflatoxins

This investigation evaluates the comparative efficacy of <i>Cinnamomum burmannii</i> leaf essential oil (YXYO) and its main active ingredients as a novel preservative to protect stored food commodities from fungal infestations, aflatoxin B<sub>1</sub> (AFB<sub>1</sub...

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Main Authors: Huanyan Liang, Feifei Lv, Mengting Xian, Chenghua Luo, Lei Zhang, Meihua Yang, Qian Li, Xiangsheng Zhao
Format: Article
Language:English
Published: MDPI AG 2025-02-01
Series:Foods
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Online Access:https://www.mdpi.com/2304-8158/14/4/682
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author Huanyan Liang
Feifei Lv
Mengting Xian
Chenghua Luo
Lei Zhang
Meihua Yang
Qian Li
Xiangsheng Zhao
author_facet Huanyan Liang
Feifei Lv
Mengting Xian
Chenghua Luo
Lei Zhang
Meihua Yang
Qian Li
Xiangsheng Zhao
author_sort Huanyan Liang
collection DOAJ
description This investigation evaluates the comparative efficacy of <i>Cinnamomum burmannii</i> leaf essential oil (YXYO) and its main active ingredients as a novel preservative to protect stored food commodities from fungal infestations, aflatoxin B<sub>1</sub> (AFB<sub>1</sub>) contamination caused by <i>Aspergillus flavus</i>. Morphological observations utilizing SEM and TEM revealed significant alterations in treated samples, alongside a decrease in ergosterol content and a dose-dependent disruption of the antioxidant system and energy system. Transcriptomic analysis suggested that differentially expressed genes were predominantly associated with spore growth, the cell wall, the cell membrane, oxidative stress, energy metabolism, and aflatoxin biosynthesis. Solid-phase microextraction–gas chromatography–mass spectrometry (SPME-GC-MS) identified ten active ingredients in YXYO, including borneol, <i>α</i>-terpineol, terpinen-4-ol, etc. Moreover, an effective inhibition of <i>A. flavus</i> infection in peanuts was observed with the application of 30 μL/disc of YXYO and a blend of its active compounds.
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issn 2304-8158
language English
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publisher MDPI AG
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series Foods
spelling doaj-art-8eb33e6fac354ada9c1874eb17ff0ff32025-08-20T02:44:35ZengMDPI AGFoods2304-81582025-02-0114468210.3390/foods14040682Inhibition Mechanism of <i>Cinnamomum burmannii</i> Leaf Essential Oil Against <i>Aspergillus flavus</i> and AflatoxinsHuanyan Liang0Feifei Lv1Mengting Xian2Chenghua Luo3Lei Zhang4Meihua Yang5Qian Li6Xiangsheng Zhao7Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, ChinaHainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine, Hainan Branch of the Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Haikou 570311, ChinaHainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine, Hainan Branch of the Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Haikou 570311, ChinaHainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine, Hainan Branch of the Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Haikou 570311, ChinaSchool of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, ChinaInstitute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, ChinaCollege of Basic Medical Science, Ningxia Medical University, Yinchuan 750004, ChinaHainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine, Hainan Branch of the Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Haikou 570311, ChinaThis investigation evaluates the comparative efficacy of <i>Cinnamomum burmannii</i> leaf essential oil (YXYO) and its main active ingredients as a novel preservative to protect stored food commodities from fungal infestations, aflatoxin B<sub>1</sub> (AFB<sub>1</sub>) contamination caused by <i>Aspergillus flavus</i>. Morphological observations utilizing SEM and TEM revealed significant alterations in treated samples, alongside a decrease in ergosterol content and a dose-dependent disruption of the antioxidant system and energy system. Transcriptomic analysis suggested that differentially expressed genes were predominantly associated with spore growth, the cell wall, the cell membrane, oxidative stress, energy metabolism, and aflatoxin biosynthesis. Solid-phase microextraction–gas chromatography–mass spectrometry (SPME-GC-MS) identified ten active ingredients in YXYO, including borneol, <i>α</i>-terpineol, terpinen-4-ol, etc. Moreover, an effective inhibition of <i>A. flavus</i> infection in peanuts was observed with the application of 30 μL/disc of YXYO and a blend of its active compounds.https://www.mdpi.com/2304-8158/14/4/682antifungalaflatoxin B<sub>1</sub>mode of actionin vivo efficacybiofumigant
spellingShingle Huanyan Liang
Feifei Lv
Mengting Xian
Chenghua Luo
Lei Zhang
Meihua Yang
Qian Li
Xiangsheng Zhao
Inhibition Mechanism of <i>Cinnamomum burmannii</i> Leaf Essential Oil Against <i>Aspergillus flavus</i> and Aflatoxins
Foods
antifungal
aflatoxin B<sub>1</sub>
mode of action
in vivo efficacy
biofumigant
title Inhibition Mechanism of <i>Cinnamomum burmannii</i> Leaf Essential Oil Against <i>Aspergillus flavus</i> and Aflatoxins
title_full Inhibition Mechanism of <i>Cinnamomum burmannii</i> Leaf Essential Oil Against <i>Aspergillus flavus</i> and Aflatoxins
title_fullStr Inhibition Mechanism of <i>Cinnamomum burmannii</i> Leaf Essential Oil Against <i>Aspergillus flavus</i> and Aflatoxins
title_full_unstemmed Inhibition Mechanism of <i>Cinnamomum burmannii</i> Leaf Essential Oil Against <i>Aspergillus flavus</i> and Aflatoxins
title_short Inhibition Mechanism of <i>Cinnamomum burmannii</i> Leaf Essential Oil Against <i>Aspergillus flavus</i> and Aflatoxins
title_sort inhibition mechanism of i cinnamomum burmannii i leaf essential oil against i aspergillus flavus i and aflatoxins
topic antifungal
aflatoxin B<sub>1</sub>
mode of action
in vivo efficacy
biofumigant
url https://www.mdpi.com/2304-8158/14/4/682
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