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Os óleos essenciais de cascas e folhas de canela do Ceilão (Cinnamomum verum Presl, sin. C. zeylanicum Bl.) cultivada na Estação Experimental de Morretes do IAPAR foram analisados por CGAR e CGAR-EM. As cascas e folhas foram provenientes de 12 árvores submetidas à adubação apenas com matéria orgânica (MO) ou associada com adubo químico (C). Análises do "headspace" foram utilizadas na caracterização das amostras individuais e no agrupamento para fins de extração por arraste a vapor e coobação. O rendimento médio de óleo essencial foi de 0,2% nas cascas e 2,0% nas folhas. O teor de aldeído cinâmico nos óleos essenciais das cascas foi de 54,7% (MO) e 58,4% (C). Os óleos essenciais de folhas apresentaram 94,1% (5 árvores - MO) e 95,1% (5 árvores - C) de eugenol. Entretanto, a composição dos óleos essenciais das folhas de duas árvores distintas, uma de cada tipo de tratamento, foi diferente da maioria das árvores estudadas, apresentando 58,7% (MO) e 55,1% (C) de eugenol, com teor elevado de safrol (29,6% e 39,5%, respectivamente). Não foram observadas diferenças na composição ou nos teores dos componentes em função do tipo de adubação. The bark and leaf essential oils of cinnamon (Cinnamomum verum Presl, syn. C. zeylanicum Bl.) grown at IAPAR (Experimental Station of Morretes) were analysed by capillary GC and GC-MS. The barks and leaves were collected from a group of 12 trees submitted to single organic manuring (MO) or conjugated with chemical fertilization (C). Samples from the individual trees were compared by headspace analysis, gathered and subjected to steam distillation. The average yields of the essential oils were 0.2% (barks) and 2.0% (leaves). The cinnamaldehyde content of the bark essential oils was 54.7% (MO) and 58.4% (C). The eugenol content of the leaf essential oils was 94.1% (5 trees - MO) and 95.1% (5 trees - C). However the leaf essential oil compositions of a single tree from each treatment were different from the other trees showing eugenol contents of 58.7% (MO) and 55.1% (C), and a high safrol amount (29.6% and 39.5%, respectively). No difference was observed in the composition or contents of individual components as a consequence of fertilization

Óleos essenciais de cascas e folhas de canela (Cinnamomum verum Presl) cultivada no Paraná