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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.3 no.3 Manaus Dec. 1973

http://dx.doi.org/10.1590/1809-43921973033041 

FITOQUÍMICA

Óleos essenciais da Amazônia. VI

M. LEÃO DA SILVA1 

J. G. SOARES MAIA1 

J. CORRÊA MOURÃO2 

G. PEDREIRA2 

M. C. MARX2 

O. R. GOTTLIEB3 

M. TAVEIRA MAGALHÃES3 

1— Instituto Nacional de Pesquisas da Amazônia e Bolsista do CNPq.

2— Universidade Federal Rural do Rio de Janeiro.

3—Centro de Tecnologia Agrícola e Alimentar, GB. Bolsista do CNPq.

Sinopse

Relata-se a composição dos óleos essenciais obtidos a partir de Piper marginatum (folhas, 1,4%): p-cimeno 25,0%, menoterpenos 7,0%, sesquiterpenos 4,7%, álcoois sesquiterpênicos 33,3%, safrol 4,2%, etilpiperonilcctona 25,0%; Lippia grandis (folhas, 2,2%) : p-cimeno 19,6%, linalol 3.5%, timol 10,0%, carvacrol 59,5%; Licaria macrophylla (casca e madeira de tronco, 0,5%): borneol 3,0%, nerolidol 5,0%, elemol 25,0%, álcool terciário sesquiterpênico 40,0%.

Summary

The paper describes the composition of essential oils obtained from Piper marginatum (leaves, 1.4%) : p-cymene 25,0%, monoterpenes 7.0%, sesquiterpenes 4.7%, sesquiterpene alcohols 33.3%, safrol 4.2%, ethylpiperonylketone 25.0%; Lippia grandis (leaves, 2.2%): p-cymene 19.6%, linalol 3.5%, thymol 10.0%, carvacrol 59.5%; Licaria macrophylla (trunk wood and bark, 0.5%): borneol 3%, nerolidol 5%. elemol 25%, sesquiterpene tertiary alcohol 40%.

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