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Essential Oil Composition of Five Thymus Species from Bulgaria
Chemistry & Biodiversity ( IF 2.3 ) Pub Date : 2021-08-17 , DOI: 10.1002/cbdv.202100498 Antoaneta Trendafilova 1 , Milka Todorova 2 , Victoria Ivanova 3 , Petar Zhelev 4 , Ina Aneva 5
Chemistry & Biodiversity ( IF 2.3 ) Pub Date : 2021-08-17 , DOI: 10.1002/cbdv.202100498 Antoaneta Trendafilova 1 , Milka Todorova 2 , Victoria Ivanova 3 , Petar Zhelev 4 , Ina Aneva 5
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In this study, the essential oil composition of five Thymus species, belonging to Sect. Hyphodromi (A. Kerner) Halácsy – Thymus atticus Čelak., T. leucotrichus Halácsy, T. striatus Vahl, T. zygioides Griseb. and T. perinicus (Velen.) Jalas. was studied by GC/MS/FID. T. atticus, T. leucotrichus, and T. striatus were characterized by high amounts of sesquiterpenoids (57.7, 78.9 and 79.7 %, respectively) with β-caryophyllene and caryophyllene oxide as the main constituents. Aromatic compounds (61.2 %) were the most abundant group in T. zygioides essential oil, with thymol (51.2 %) as the principal component. The essential oil from the endemic species T. perinicus contained almost equal amounts of monoterpenoids (37.8 %) and aromatic compounds (36.0 %) with borneol (17.9 %) and thymol (20.9 %) as the major components. The obtained results revealed the existence of new chemotypes of T. atticus (caryophyllene oxide/β-caryophyllene), T. leucotrichus (β-caryophyllene/elemol/germacrene D) and T. striatus (β-caryophyllene/germacrene D/caryophyllene oxide). The essential oil content of endemic T. perinicus is reported for the first time. Principal component analysis (PCA) and cluster analysis (CA) were used to investigate the variations in the essential oils of different Thymus species from Sect. Hyphodromi (A. Kerner) Halácsy.
中文翻译：
保加利亚五种胸腺的精油成分
在这项研究中，五种百里香的精油成分，属于 Sect. Hyphodromi (A. Kerner) Halácsy – Thymus atticus Čelak., T. leucotrichus Halácsy, T. striatus Vahl, T. zygioides Griseb。和T. perinicus (Velen.) Jalas。GC/MS/FID 进行了研究。T. atticus、T. leucotrichus和T. striatus的特征是含有大量倍半萜类化合物（分别为 57.7、78.9 和 79.7%），其中以 β-石竹烯和石竹烯氧化物为主要成分。芳香族化合物 (61.2 %) 是T. zygioides 中最丰富的组精油，以百里酚（51.2%）为主要成分。来自特有物种T. perinicus 的精油含有几乎等量的单萜 (37.8%) 和芳香族化合物 (36.0%)，主要成分为冰片 (17.9%) 和百里酚 (20.9%)。获得的结果揭示了T. atticus（石竹烯氧化物/β-石竹烯）、T. leucotrichus（β-石竹烯/elemol/germacrene D）和T. striatus（β-石竹烯/germacrene D/石竹烯氧化物）的新化学型的存在. 地方性T. perinicus的精油含量是首次报道。主成分分析（PCA）和聚类分析（CA）用于研究不同胸腺物种精油的变化。Hyphodromi (A. Kerner) Halácsy。
更新日期：2021-10-19
中文翻译：
保加利亚五种胸腺的精油成分
在这项研究中，五种百里香的精油成分，属于 Sect. Hyphodromi (A. Kerner) Halácsy – Thymus atticus Čelak., T. leucotrichus Halácsy, T. striatus Vahl, T. zygioides Griseb。和T. perinicus (Velen.) Jalas。GC/MS/FID 进行了研究。T. atticus、T. leucotrichus和T. striatus的特征是含有大量倍半萜类化合物（分别为 57.7、78.9 和 79.7%），其中以 β-石竹烯和石竹烯氧化物为主要成分。芳香族化合物 (61.2 %) 是T. zygioides 中最丰富的组精油，以百里酚（51.2%）为主要成分。来自特有物种T. perinicus 的精油含有几乎等量的单萜 (37.8%) 和芳香族化合物 (36.0%)，主要成分为冰片 (17.9%) 和百里酚 (20.9%)。获得的结果揭示了T. atticus（石竹烯氧化物/β-石竹烯）、T. leucotrichus（β-石竹烯/elemol/germacrene D）和T. striatus（β-石竹烯/germacrene D/石竹烯氧化物）的新化学型的存在. 地方性T. perinicus的精油含量是首次报道。主成分分析（PCA）和聚类分析（CA）用于研究不同胸腺物种精油的变化。Hyphodromi (A. Kerner) Halácsy。
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