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|Title:||A Green Protocol for Microwave-Assisted Extraction of Volatile Oil Terpenes from Pterodon emarginatus Vogel. (Fabaceae)||Authors:||Vila Verde, Giuliana M
Barros, Diogo A
Oliveira, Marilene Silva
Aquino, Gilberto L. B.
Santos, Danilo M
de Paula, José Realino
Dias, Lucas D.
Pereira, Mariette M.
|Keywords:||optimisation; microwave; volatile oil; extraction; terpenes; Pterodon emarginatus; analytical eco-scale||Issue Date:||13-Mar-2018||Publisher:||MDPI||Project:||The authors are thankful to Fundação de Amparo à Pesquisa do Estado em Goiás (FAPEG) for financial support. To Universidade Federal de Goiás (UFG) and Universidade Estadual de Goiás (UEG) specially to Programa de Mestrado Territórios e Expressões Culturais do Cerrado (Teccer) and Ciências Moleculares for scientific and financial assistance. LDD thanks CNPq (Brazil) for PhD grant (GDE 232620/2014-8). To Coordenação de Aperfeiçoamento de Pessoal de Nível Superior-CAPES by M.S.O. fellowship.||Serial title, monograph or event:||Molecules||Volume:||23||Issue:||3||Abstract:||Microwave-assisted extraction of volatile oils (MAE) potentially offers a more efficient and bio-sustainable method than conventional extraction by Clevenger apparatus (CE). This study aimed to optimise the MAE of the volatile oil from Pterodon emarginatus fruits and characterise the volatile compounds. A 2³ full-factorial central composite design and response surface methodology were used to evaluate the effects of time (min), moisture (%) and microwave power (W) on the extraction yield. The process optimisation was based on the desirability function approach. The reaction time and moisture conditions were standardised in these analyses. The volatile oil composition was analysed by Gas Chromatography/Mass Spectrometry (GC/MS) in order to compare techniques extractions influences. Microwave irradiation showed excellent performance for extraction of the volatile oil from Pterodon emarginatus and there were some advantages in compare to conventional method with respect to the time (14 times), energy (6 times), reagents amounts and waste formation. About chemical composition presents significant differences with the type of extraction. Caryophyllene (25.65%) and trans-α-bisabolol (6.24%) were identified as major components in MAE sample while caryophyllene (6.75%) and γ-elemene (7.02%) are the components with higher relative percentage in CE samples. The microwaves assisted process shown an increase of economic interested compounds present in volatile oil.||URI:||https://hdl.handle.net/10316/107785||ISSN:||1420-3049||DOI:||10.3390/molecules23030651||Rights:||openAccess|
|Appears in Collections:||I&D CQC - Artigos em Revistas Internacionais|
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