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Essential‐Oil Polymorphism in the ‘Resurrection Plant’ Myrothamnus moschatus and Associated Ethnobotanical Knowledge
Author(s) -
Randrianarivo Emmanuel,
Rasoanaivo Philippe,
Nicoletti Marcello,
Razafimahefa Solofoniaina,
Lefebvre Ma,
Papa Fabrizio,
Vittori Sauro,
Maggi Filippo
Publication year - 2013
Publication title -
chemistry and biodiversity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.427
H-Index - 70
eISSN - 1612-1880
pISSN - 1612-1872
DOI - 10.1002/cbdv.201300179
Subject(s) - chemotype , limonene , essential oil , ethnobotany , phytochemistry , chemistry , chemotaxonomy , asteraceae , terpenoid , monoterpene , population , botany , traditional medicine , medicinal plants , biology , stereochemistry , food science , organic chemistry , taxonomy (biology) , medicine , demography , sociology
Gas chromatography/mass spectroscopy analysis (GC/MS) of essential oils obtained from populations of the resurrection plant Myrothamnus moschatus , growing in different areas of Madagascar, allowed identification of three main chemotypes in the species. The first one was provided by plants with a high content of trans ‐pinocarveol and pinocarvone; the second one involved plants with high percentages of limonene, cis ‐ and trans ‐ p ‐mentha‐1(7),8‐dien‐2‐ol, and β ‐selinene; and the third chemotype was characterized by plants with high levels of oxygenated sesquiterpenes such as caryophyllene oxide and α ‐ and β ‐isomers of caryophylla‐4(12),8(13)‐dien‐5‐ol. Chemical data were supported by chemometric technique as the principal component analysis. Furthermore, the relationship between the dioecy and phytochemistry within one population was also considered. Finally, correlations between chemical variations and ethnobotanical data were assessed.