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. 2022 Oct 6;15(19):6923. doi: 10.3390/ma15196923

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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The composition of the essential oils: fennel essential oil [96,97] (IUPAC name: (a) 1-methoxy-4-[(E)-prop-1-enyl]benzene; (b) 1-methoxy-4-prop-2-enylbenzene; (c) 1,3,3-trimethylbicyclo [2.2.1] heptan-2-one); peppermint essential oil [98,99] (IUPAC name: (a) 3,7-dimethyl-1-oxaspiro[3.5]nonane; (b) 3,6-dimethyl-4,5,6,7-tetrahydro-1-benzofuran; (c) 5-methyl-2-propan-2-ylcyclohexan-1-ol; (d) 5-methyl-2-propan-2-ylcyclohexan-1-one; (e) (5-methyl-2-propan-2-ylcyclohexyl) acetate; (f) 5-methyl-2-propan-2-ylidenecyclohexan-1-one); pine essential oil [100,101] (IUPAC name: (a) 1-methyl-4-prop-1-en-2-ylcyclohexene; (b) 3,7-dimethylocta-1,6-dien-3-ol; (c) 2-[(1R)-4-methylcyclohex-3-en-1-yl]propan-2-ol; (d) 1-methoxy-4-[(E)-prop-1-enyl]benzene; (e) 2-methoxy-4-prop-2-enylphenol; (f) trans-(1R,9S)-8-methylene-4,11,11-trimethylbicyclo [7.2.0]undec-4-ene); thyme essential oil hydrate [102,103] (IUPAC name: (a) 3,7-dimethylocta-1,6-dien-3-ol; (b) 2-(4-methylcyclohex-3-en-1-yl)propan-2-ol; (c) 1-methyl-4-propan-2-ylbenzene; (d) 2-methyl-5-propan-2-ylbicyclo[3.1.0]hexan-2-ol; (e) 5-methyl-2-propan-2-ylphenol).