Evaluation of the antimicrobial and anti-Varroa destructor L. activity of the essential oil of clove (Syzygium aromaticum L. Myrtaceae)

Agricultural Science and Technology Pub Date : 2021-12-01 DOI:10.15547/ast.2021.04.065

K. Mekademi, D. Kebour, N. Ouchene-khelifi, N. Ouchene

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Abstract

Abstract. Antimicrobial and anti-Varroa destructor L. activity of the essential oil (EO) of clove (Syzygium aromaticum L. Myrtaceae) was evaluated in this study. Antimicrobial activity concerned 9 bacterial strains (Bacillus cereus, Escherichia coli ATCC 25911, Staphylococcus aureus 29213 ATCC, Proteus mirabilis, Serratia marcescens, Enterobacter sakazakii, Pseudomonas aeruginosa ATCC, Escherichia coli and Acinetobacter sp.), a fungal strain (Penicillium sp.) and a yeast species (Candida albicans). The extraction of the EO was carried out by the method of hydrodistillation. Results showed that EO has no toxicity on bees Apis mellifera. EO demonstrated effective and stable anti-V. destructor activity, indicating the absence of possible resistance, in contrast to what was observed for Amitraz. The inhibitory activity of EO revealed an inhibition zone of diameter varying between 20 mm and 42 mm for bacteria. However, no inhibition zones were observed for Pseudomonas aeruginosa ATCC. The inhibitory activity of EO on Penicillium sp and Candida albicans revealed an inhibition zone of 39 mm in diameter. This study shows that the EO of cloves constitutes a simple and natural treatment, without inconveniences, with a high activity antimicrobial and anti-Varroa destructor which merits it to be proposed as a means to fight against varroosis and the tested pathogens.

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丁香精油的抑菌活性及抗瓦螨活性评价

摘要本研究评价了丁香（Syzygium aromaticum L.Myrtaceae）精油的抗菌和抗Varroa destructor L.活性。抗菌活性涉及9种细菌菌株（蜡样芽孢杆菌、大肠杆菌ATCC 25911、金黄色葡萄球菌29213 ATCC、奇异变形杆菌、粘质沙雷氏菌、阪崎肠杆菌、铜绿假单胞菌ATCC、大肠杆菌和不动杆菌。）、一种真菌菌株（青霉属）和一种酵母（白色念珠菌）。采用加氢蒸馏法提取EO。结果表明，EO对蜜蜂无毒害作用。EO显示出有效且稳定的抗-V。破坏活性，表明没有可能的耐药性，与阿米特拉兹的观察结果相反。EO的抑制活性揭示了对细菌直径在20mm和42mm之间变化的抑制区。然而，没有观察到铜绿假单胞菌ATCC的抑制区。EO对青霉和白色念珠菌的抑制活性显示直径为39mm的抑制区。这项研究表明，丁香的EO是一种简单自然的治疗方法，没有任何不便，具有高活性的抗菌和抗Varroa破坏剂，值得作为对抗varroosis和测试病原体的一种手段。

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来源期刊

Agricultural Science and Technology

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审稿时长

11 weeks