Efeito da temperatura do ar de secagem sobre o teor e a composição química do óleo essencial de Pectis brevipedunculata

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Abstract

Pectis brevipedunculata. Leaves and flower heads of P. brevipedunculata were submitted to four drying-air temperatures (room temperature, 40, 50 and 60 °C). Room temperature (approximately 30 °C) and higher temperature drying (50 and 60 °C) had a deleterious effect on the essential oil content. The recommended drying-air temperature for the species is 40 °C for it results in the same amount of essential oil observed in fresh cut plants. Overall, 13 components accounting for more than 92% of the total composition were identified. Citral was the major component, followed by ?-pinene and limonene. The essential oil showed high toxicity against Artemia salina larvae.

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De Oliveira, M. T. R., Berbert, P. A., Matos, C. R. R., Mathias, L., & Moreira, R. O. (2011). Efeito da temperatura do ar de secagem sobre o teor e a composição química do óleo essencial de Pectis brevipedunculata. Quimica Nova, 34(7), 1200–1204. https://doi.org/10.1590/S0100-40422011000700018

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