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| Silva,Elizabeth Aparecida Josefi da; Silva,Vanessa Paula da; Alves,Cassia Cristina Fernandes; Alves,José Milton; Souchie,Edson Luiz; Barbosa,Luiz Cláudio de Almeida. |
| ABSTRACT: The essential oil plants contents can be affected by several factors. For example, in certain plants, collection time has been observed to affect the content and chemical composition of the essential oil obtained from the plant. The objective of this study was to evaluate the effect of collection time on the content and chemical composition of the essential oil from guava ( Psidium guajava L.) leaves. Leaves were collected at different times of the day and the content and chemical composition of their essential oil was determined. Collection time did not qualitatively affect the chemical composition of the essential oil. However, concentration of certain substances in the oil, such as α-humulene and trans-caryophyllene, did significantly vary at... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Psidium guajava L.; Medicinal plants; Special metabolites; Α-humulene; Trans-caryophyllene; Guava.. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016001001771 |
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