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Pimenta dioica (L.) Merr. - syn.Pimenta officinalis Lindl.; Pimenta vulgaris Lindl.; Pimenta pimenta (L.) H. Karst.; Myrtus pimenta L. - Myrtaceae
allspice, Jamaica pepper, (Mexican) pimento, clove pepper, Piment, Nelkenpfeffer
Evergreen tree, 6-15m high; native to Central America, Cuba and Jamaica; bark grey.
„Allspice is the dried fruit of the P. dioica plant. The fruit are picked when green and unripe and are traditionally dried in the sun. When dry, they are brown and resemble large brown peppercorns. The whole fruit have a longer shelf life than the powdered product and produce a more aromatic product when freshly ground before use.
Fresh leaves are used where available. They are similar in texture to bay leaves and are thus infused during cooking and then removed before serving. Unlike bay leaves, they lose much flavour when dried and stored, so do not figure in commerce. The leaves and wood are often used for smoking meats where allspice is a local crop.“ http://en.wikipedia.org/wiki/Allspice
„Leaves of Pimenta dioica were used for supercritical extraction with carbon dioxide to isolate the corresponding volatile concentrate… The main constituent in the extract was eugenol (77.9%).“
[Comparative analysis of supercritical CO2 extract and oil of Pimenta dioica leaves., Marongiu, B., Piras, A., Porcedda, S., Casu, R., Pierucci, P., Journal of Essential Oil Research, Vol.17(5), 2005, 530-532]
Main component of the essenital oil of P.dioica fruits is eugenol (86.4%), accompanied by methyl eugenol (3.8%), β-caryophyllene (7.7%), α-humulene (1%) and some limonene and 1,8-cineole.
[Nematicidal activity of plant essential oils and components from ajowan (Trachyspermum ammi), allspice (Pimenta dioica) and litsea (Litsea cubeba) essential oils against pine wood nematode (Bursaphelenchus xylophilus). Park, I. K., Kim, J., Lee, S. G., Shin, S. C., Journal of nematology, 39(3), 2007, 275] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2586506/
