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Chemical Compositions of the Volatile Oils and Antibacterial Screening of Solvent Extract from Downy Lavender

机译：薰衣草薰衣草挥发油的化学成分和溶剂提取物的抗菌筛选

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The discovery of a new species exhibiting more effective antibacterial properties is necessary because of the demand on Lavandula species, which continues to increase in a variety of industries. Lavandula pubescens might be a good alternative, as it exhibits strong antibacterial activity. In this study, the chemical composition of the essential oils from different organs (flowers, leaves, stems, and roots) of L. pubescens was identified using gas chromatography-mass spectrometry. Furthermore, the antimicrobial activities of different solvent extracts (methanol, ethanol, diethyl ether, hexane, and ethyl acetate) and different organ (flower, leaf, stem, and root) extracts of L. pubescens were evaluated. Only the ethyl acetate extracts of L. pubescens exhibited antibacterial activity against all bacterial strains tested, including Staphylococcus haemolyticus , Escherichia coli (KF 918342), Aeromonas hydrophila (KCTC 12487), E. coli (ATCC 35150), Cronobacter sakazakii (ATCC 29544), and Aeromonas salmonicida (KACC 15136). In particular, the extracts exhibited significant activity against S. haemolyticus. Ethyl acetate extract of the leaf exhibited the best activity against all bacterial strains. This study provides valuable information on the chemical compositions in essential oils and antimicrobial properties of L. pubescens .
机译：由于对薰衣草属物种的需求不断增加，因此必须发现具有更有效抗菌特性的新物种。薰衣草可能是一个很好的选择，因为它具有很强的抗菌活性。在这项研究中，使用气相色谱-质谱法鉴定了来自耻骨乳杆菌不同器官（花，叶，茎和根）的精油的化学成分。此外，评估了不同的溶剂提取物（甲醇，乙醇，乙醚，己烷和乙酸乙酯）和不同器官（花，叶，茎和根）提取物的抗菌活性。仅耻骨乳杆菌的乙酸乙酯提取物对所有测试的细菌菌株均表现出抗菌活性，包括溶血性葡萄球菌，大肠杆菌（KF 918342），嗜水气单胞菌（KCTC 12487），大肠杆菌（ATCC 35150），阪崎肠杆菌（ATCC 29544） ，和鲑气单胞菌（KACC 15136）。特别地，提取物显示出对溶血链球菌的显着活性。叶的乙酸乙酯提取物对所有细菌菌株表现出最好的活性。这项研究提供了有价值的信息，关于香精油中的化学成分和毛乳酸杆菌的抗菌性能。

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