2015
DOI: 10.1590/0100-67622015000600009
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ANÁLISE DO EFEITO DA SAZONALIDADE SOBRE O RENDIMENTO DO ÓLEO ESSENCIAL DAS FOLHAS DE Nectandra grandiflora Nees1

Abstract: RESUMO -Este estudo teve por objetivos avaliar o efeito da sazonalidade sobre o teor de óleo essencial (OE) presente nas folhas de Nectandra grandiflora Nees e determinar se a secagem do material vegetal à temperatura ambiente influencia o rendimento do OE. Para tanto, foi coletado material vegetal de 12 indivíduos ao longo de um ano, e o OE foi extraído separadamente de folhas frescas e folhas secas, pelo método de hidrodestilação. Paralelamente, 20 g de folhas frescas foram levados à estufa a 40 °C até peso … Show more

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Cited by 10 publications
(9 citation statements)
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“…megapotamica harvested in spring and summer, respectively [ 11 ]; however, higher EO yields were obtained from N . grandiflora (0.75%) harvested in spring [ 13 ]. In our study, we did not observe significant differences among the seasons with respect to the EO content of N .…”
Section: Resultsmentioning
confidence: 99%
“…megapotamica harvested in spring and summer, respectively [ 11 ]; however, higher EO yields were obtained from N . grandiflora (0.75%) harvested in spring [ 13 ]. In our study, we did not observe significant differences among the seasons with respect to the EO content of N .…”
Section: Resultsmentioning
confidence: 99%
“…The Caatinga plant species present physiological variations due to the severe climatic and environmental conditions, which together with other factors can influence the primary and secondary metabolites production quality and quantity (Silva et al, 2015b).…”
Section: Resultsmentioning
confidence: 99%
“…N. grandiflora displayed higher EO production during the spring (0.75%) and the lower yield in the winter (0.39%) [59]. Regarding O. odorifera oils, the higher EO production was observed in the summer for leaves (0.86%) and during the spring for twigs (0.9%) and bark (1.37%) [60]. These studies did not report information on EO chemical composition, however.…”
Section: Seasonal Variation In the Volatile Constituentsmentioning
confidence: 91%
“…The oil yield from the leaves N. grandiflora and different tissues of O. odorifera showed significant variation according to seasonality. The collection sites for the samples were Jaguari (RS) and Viçosa (MG), respectively [59,60]. N. grandiflora displayed higher EO production during the spring (0.75%) and the lower yield in the winter (0.39%) [59].…”
Section: Seasonal Variation In the Volatile Constituentsmentioning
confidence: 99%
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