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pimenta_racemosa_mill._j.w.moore

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Pimenta racemosa (Mill.) J.W.Moore - Myrtaceae - bayrum tree, West Indian bay, Bayrumbaum, Bay, Westindischer Lorbeer

Evergreen tree, 4-12m tall, native to the Caribbean; leaves obovate to oblanceolate or elliptic, shiny above, dull and pale beneath; cymes pedunculate; flowers white; fruit ovoid, ca 7-12mm long, black at maturity.
http://www.hear.org/pier/species/pimenta_racemosa.htm

„Bay oil exudes a strong spicy fragrance, reminiscent of clove oil. The antiseptic action is demonstrated, and therefore, the oil is often used in a cold together with eucalyptus oil for bath and inhalations.“
There are five varieties:
Pimenta racemosa var. grisea (Kiaersk.) Fosberg = syn. Pimenta acris var.grisea (eastern hispaniola, Virgin Islands)
Pimenta racemosa var. hispaniolensis (Urb.) Landrum (endemic to hispaniola)
Pimenta racemosa var. ozua (Urb. & Ekman) Landrum = syn. Pimenta ozua (Urb. & Ekman) Burret (endemic to northern-central hispaniola)
Pimenta racemosa var. racemosa = syn. Pimenta acris auct.; Caryophyllus racemosus Mill. (Caribbean, Venezuela)
Pimenta racemosa var. terebinthina (Burret) Landrum = syn. Pimenta terebinthina Burret) (endemic to northeastern hispaniola)
http://de.wikipedia.org/wiki/Bay

„The foliar essential oils of Pimenta racemosa (Miller) J. Moore var. grisea (Kiaerskov) Fosb. are dominated by geraniol (0–85.52%), methyl eugenol (0.30–92.60%), and/or trans-methyl isoeugenol (0–86.32%). The foliar essential oils of Pimenta racemosa var. hispaniolensis (Urban) Landrum are dominated by 1,8-cineole (0.05–37.96%), methyl chavicol (0–22.61%), methyl eugenol (0–63.88%), γ-terpinene (0–16.67%), terpinen-4-ol (0.08–28.98%), and/or thymol (0–44.02%). The foliar essential oils of Pimenta racemosa var. ozua (Urban & E. Ekman) Landrum are dominated by 1,8-cineole (47.24–55.93%), limonene (3.62–30.07%), and/or α-terpineol (6.68–15.12%). The commercial bay oil (P. racemosa var. racemosa) is dominated by chavicol (<0.01–15.51%), eugenol (44.41–68.93%), methyl eugenol (0–11.88%), and/or myrcene (0.10–16.17%).“
[Volatile leaf oils of Caribbean Myrtaceae. I. Three varieties of Pimenta racemosa (Miller) J. Moore of the Dominican Republic and the commercial bay oil., Tucker, A. O., Maciarello, M. J., Adams, R. P., Landrum, L. R., Zanoni, T. A., Journal of Essential Oil Research, Vol.3(5), 1991, 323-329]

upload.wikimedia.org_wikipedia_commons_b_be_myrcia_acris.jpg

pimenta_racemosa_mill._j.w.moore.1434188386.txt.gz · Zuletzt geändert: 2015/06/13 11:39 von 127.0.0.1