Chemical composition and biological evaluation of essential oils from some Moroccan plants

Mediterranean Journal of Chemistry Pub Date : 2020-07-28 DOI:10.13171/mjc10702007281485hd

Badia Douhri, I. Raissouni, N. Amajoud, A. Farah, Nadia Skali Senhaji, J. Abrini, Hikmat Douhri

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引用次数: 1

Abstract

This study describes the chemical composition and biological activities of essential oils of the Moroccan plants Thymbra capitata (L.) Cav. and Origanum elongatum (Bonnet) Emb. & Maire on biofilms of Staphylococcus aureus strains. The qualitative and quantitative composition of the two essential oils was analyzed by gas chromatography and gas chromatography-mass spectrometry. The Minimum Inhibitory Concentration was determined by the broth microdilution method. The results showed that essential oils of Thymbra capitata and Origanum elongatum inhibit biofilm formation in biofilm inhibitory concentrations (0.5 and 2% v/v) and eradicate biofilm at biofilm eradication concentrations (1 and> 4% v/v), specific to each essential oil. Values were twofold or fourfold higher than the concentration required to inhibit or eradicate planktonic bacteria growth. The use of essential oils of Thymbra capitata and Origanum elongatum as natural antimicrobial agents may effectively inhibit the growth of biofilms of medical relevance. Results indicated that essential oils of Thymbra capitata and Origanum elongatum might be a potential alternative against Staphylococcus resistant strains.

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摩洛哥一些植物精油的化学成分及生物学评价

本文研究了摩洛哥植物胸腺(thyymbra capitata, L.)挥发油的化学成分和生物活性。骑兵。和长形牛头草(Bonnet) Emb。金黄色葡萄球菌菌株生物膜的研究。采用气相色谱和气相色谱-质谱联用技术对两种精油进行定性和定量分析。用微量肉汤稀释法测定最低抑菌浓度。结果表明，胸草精油和鹤头草精油在生物膜抑制浓度(0.5 v/v和2% v/v)下对生物膜形成有抑制作用，在生物膜根除浓度(1 v/v和> 4% v/v)下对生物膜有根除作用。该值比抑制或根除浮游细菌生长所需的浓度高两倍或四倍。将头胸草精油和鹤耳草精油作为天然抗菌剂，可有效抑制具有医学意义的生物膜的生长。结果表明，头胸草精油和鹤耳草精油可能是抗葡萄球菌耐药菌株的潜在替代品。

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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Mediterranean Journal of Chemistry

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