Essential oils composition of Periploca laevigata Aiton subsp. angustifolia (Labill.) Markgraf (Apocynaceae – Periplocoideae)

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Abstract

The essential oil of roots, branches, leaves, flowers and fruits of Periploca laevigata Aiton subsp. angustifolia (Apocynaceae) from Lampedusa Island has been obtained by hydrodistillation and its composition analysed. The analyses allowed the identification and quantification of 86 volatile compounds. Branches showed the higher diversity with 57 compounds followed by fruits with 33, roots with 23, flowers with 16 and leaves with six compounds, respectively. In the matrices examined three constituents, heneicosane, docosane and tricosane are in common, although with different percentages. At least the most abundant compounds found in the matrices have been reported to have several biological activities. 2-Hydroxy-4-methoxybenzaldehyde identified in the roots as the most abundant component (70.7%) and present with 8.3% in the branches is a potent tyrosinase inhibitor present in several African medicinal plants, and thus being used as an ingredient in cosmetic and other medicinal products, primarily in relation to hyperpigmentation. Among the compounds identified, several play a role as semiochemicals for many animals, and 28 allomones, 43 pheromones, 21 kairomones have been identified. P. laevigata subsp. angustifolia in Lampedusa Island is host to a community of visitors, and the possible ecological role of the volatiles found is briefly discussed.
Lingua originaleEnglish
pagine (da-a)255-265
Numero di pagine11
RivistaNatural Product Research
Volume27
Stato di pubblicazionePublished - 2013

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All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Plant Science
  • Organic Chemistry

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