Chemical composition of essential oils of wild-growing Mentha piperita L and Mentha spicata L from the Mariovo region, Republic of Macedonia

Kostik, Vesna and Bauer, Biljana (2015) Chemical composition of essential oils of wild-growing Mentha piperita L and Mentha spicata L from the Mariovo region, Republic of Macedonia. In: The Second Mediterranean Symposium on Medicinal and Aromatic Plants (MESMAP-2), 22-25 Apr 2015, Antalya, Turkey.

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Abstract

The genus Mentha (family Lamiaceae), comprising more than 25 species, grows widely throughout the temperate regions of the world. Mentha arvensis, M. longifolia, M. piperita and M. spicata, commonly known as menthol mint, wild mint, peppermint and spearmint, respectively, are frequently cultivated in many countries of Europe, East Asia, America and Australia for the production of essential oils. The essential oils and extracts from Mentha species have been in use since ancient times for the treatment of many digestive tract diseases, as well as, in cuisine. M. spicata and M. piperita are the most abundant species of the genus Mentha which grow as wild crops mostly at the south parts of the Republic of Macedonia. The main goal of our study was evaluation of chemical composition of the essential oils obtained from the leaves of wild-growing M. spicata and M. piperita from the region of Mariovo, located at the farthest southern part of the Republic of Macedonia. The harvest of the plants was performed during July 2014. The essential oils obtained by hydro-distillation were analysed on ZB-5 MS column using a gas chromatograph with flame ionization detector (FID) and gas chromatograph with mass spectrometric detection (GC-MS). A total of 46 and 32 compounds in essential oils of M. piperita and M. spicata, respectively, were identified. The main constituents in the essential oils of M. piperita (>5%) were found to be oxygenated monotherpenes: menthol (34.3%), L-menthone (18.24%) and isomenthone (5.16%); followed by neoisomenthol (3.48%), pulegone (3.03%) and menthyl acetate (3.01%). The main constituents (>5%) in the essential oils of M. spicata were found to be oxygenated monotherpenes: carvone (61.4%) and 1, 8 – cineol (5.21%). Limonene (11.87%) was found to be the most abundant monoterpene hydrocarbon in M. spicata essential oil. In addition, the tested Mentha essential oils contained substantial amounts of various minor constituents, as sesquiterpene hydrocarbons (bourbonene and caryophyllene), as well, as oxygenated sesquiterpenes (caryophyllene oxide). The obtained results for chemical composition of essential oils of M. piperita and M. spicata were in line with some data reported in literature. Keywords: Mentha, essential oils, gas chromatography, oxygenated monotherpenes

Item Type: Conference or Workshop Item (Poster)
Subjects: Medical and Health Sciences > Other medical sciences
Divisions: Faculty of Medical Science
Depositing User: Vesna Kostik
Date Deposited: 04 May 2015 09:02
Last Modified: 07 Aug 2015 09:57
URI: http://eprints.ugd.edu.mk/id/eprint/13112

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