Seasonal variation of the essential oil from two Brazilian native Aldama La Llave (Asteraceae) species

Aldama arenaria and A. robusta are morphologically similar aromatic species that have seasonal development. The yield and chemical composition of essential oils from aerial and underground vegetative organs of these species were compared to verify the production of volatile metabolites in flowering...

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Bibliographic Details
Published in:Anais da Academia Brasileira de Ciências 2016, Vol.88 (3 Suppl), p.1899-1907
Main Authors: Oliveira, Tuane S DE, Bombo, Aline B, Oliveira, Adriana S S DE, Garcia, Vera L, Appezzato-DA-Glória, Beatriz
Format: Article
Language:English
Subjects:
Aldama arenaria
Aldama robusta
Asteraceae - chemistry
Brazil
Cyclohexenes - analysis
Gas Chromatography-Mass Spectrometry
Monoterpenes - analysis
MULTIDISCIPLINARY SCIENCES
Oils, Volatile - chemistry
phenological phases
Plant Leaves - chemistry
Plant Oils - chemistry
Plant Roots - chemistry
Plant Stems - chemistry
Seasons
terpenes
Terpenes - analysis
vegetative organs
Viguiera
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Summary:Aldama arenaria and A. robusta are morphologically similar aromatic species that have seasonal development. The yield and chemical composition of essential oils from aerial and underground vegetative organs of these species were compared to verify the production of volatile metabolites in flowering and dormant phases of development and to identify if there are unique compounds for either species. The major compound in the essential oils from A. arenaria leaves was palustrol (16.22%) and for aerial stems was limonene (15.3%), whereas limonene (11.16%) and α-pinene (19.64%) were the major compounds for leaves and aerial stems from A. robusta, respectively. The major compound for the underground organs was α-pinene, in both species and phenological stages. High amounts of diterpenes were found especially for A. arenaria essential oils. Each analyzed species presented unique compounds, which can provide a characteristic chemical profile for both species helping to solve their taxonomic problems. This study characterized for the first time the yield and essential oil composition of A. arenaria and A. robusta, which have medicinal potential, and some of the compounds in their essential oils are unique to each one and may be useful in helping the correct identification of them.
ISSN:0001-3765
1678-2690
1678-2690
DOI:10.1590/0001-376520162015-0732