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首页> 外文期刊>Natural product communications >GC-MS analysis and antimicrobial activity of essential oil of Stachys cretica subsp. smyrnaea
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GC-MS analysis and antimicrobial activity of essential oil of Stachys cretica subsp. smyrnaea

机译：水飞蓟亚种精油的GC-MS分析和抑菌活性。 smyrnaea

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摘要

The essential oil from the aerial parts of Stachys cretica L. subsp. smyrnaea Rech. fil. (Lamiaceae), endemic to Turkey, was investigated by using GC and GC-MS. Thirty-four of 37 components, represented 99.7% of the total oil, were identified. The major components of the essential oil were trans-β-caryophyllene (51.0%), germacrene-D (32.8%), α-humulene (3.1%), δ-cadinene (2.1%) and δ-elemene (2.1%). The antimicrobial activity of the essential oil, trans-β-caryophyllene and five different extracts of the aerial parts of S. cretica L. subsp. smyrnaea were investigated by the standard disc diffusion method. The essential oil and trans-β-caryophyllene exhibited antibacterial and antifungal activities. The activity increased with increasing concentrations of the essential oil and the extracts. The essential oil showed antimicrobial activity, particularly against Pseudomonas aeruginosa and Bacillus subtilis. The extracts exhibited either moderate or no activity.
机译：取自Stachys cretica L. subsp。的空中部分的精油。 smyrnaea Rech。 fil。通过使用GC和GC-MS对土耳其特有的（兰科）进行了研究。确定了37种成分中的34种，占总油量的99.7％。香精油的主要成分是反式-β-石竹烯（51.0％），germ-D（32.8％），α-mul草烯（3.1％），δ-cad烯（2.1％）和δ-榄香烯（2.1％）。香链球菌亚种空中部分的精油，反式β-石竹烯和五种不同提取物的抗菌活性。通过标准的椎间盘扩散法研究了smyrnaea。香精油和反式β-石竹烯具有抗菌和抗真菌活性。活性随着精油和提取物浓度的增加而增加。该精油显示出抗菌活性，特别是对铜绿假单胞菌和枯草芽孢杆菌。提取物表现出中等或无活性。

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