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Article

Optimization of Extraction Conditions and Characterization of Volatile Organic Compounds of Eugenia klotzschiana O. Berg Fruit Pulp

1
Departamento de Alimentos, Faculdade de Farmácia, Campus Belo Horizonte, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
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Departamento de Ciências Exatas e Biológicas, Campus Sete Lagoas, Universidade Federal de São João Del-Rei, Sete Lagoas 36307-352, Brazil
3
Departamento de Ciências Agrárias, Instituto Federal de Educação, Ciência e Tecnologia de Minas Gerais, Campus Bambuí, Bambui 38900-000, Brazil
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Departamento de Nutrição, Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte 30640-070, Brazil
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Departamento de Química, Campus Belo Horizonte, Universidade Federal de Minas Gerais, Belo Horizonte 35702-031, Brazil
*
Author to whom correspondence should be addressed.
Academic Editor: Hiroyuki Kataoka
Molecules 2022, 27(3), 935; https://doi.org/10.3390/molecules27030935
Received: 31 December 2021 / Revised: 21 January 2022 / Accepted: 25 January 2022 / Published: 29 January 2022
(This article belongs to the Special Issue Solid-Phase Microextraction and Related Techniques in Bioanalysis)
Eugenia klotzschiana O. Berg is a native species to the Cerrado biome with significant nutritional value. However, its volatile organic compounds (VOCs) chemical profile is not reported in the scientific literature. VOCs are low molecular weight chemical compounds capable of conferring aroma to fruit, constituting quality markers, and participating in the maintenance and preservation of fruit species. This work studied and determined the best conditions for extraction and analysis of VOCs from the pulp of Eugenia klotzschiana O. Berg fruit and identified and characterized its aroma. Headspace solid-phase microextraction (HS-SPME) was employed using different fiber sorbents: DVB/CAR/PDMS, PDMS/DVB, and PA. Gas chromatography and mass spectrometry (GC-MS) were employed to separate, detect, and identify VOCs. Variables of time and temperature of extraction and sample weight distinctly influenced the extraction of volatiles for each fiber. PDMS/DVB was the most efficient, followed by PA and CAR/PDMS/DVB. Thirty-eight compounds that comprise the aroma were identified among sesquiterpenes (56.4%) and monoterpenes (30.8%), such as α-fenchene, guaiol, globulol, α-muurolene, γ-himachalene, α-pinene, γ-elemene, and patchoulene. View Full-Text
Keywords: Myrtaceae; headspace solid-phase microextraction; Cerrado; aroma; volatile organic compounds Myrtaceae; headspace solid-phase microextraction; Cerrado; aroma; volatile organic compounds
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MDPI and ACS Style

Mariano, A.P.X.; Ramos, A.L.C.C.; de Oliveira Júnior, A.H.; García, Y.M.; de Paula, A.C.C.F.F.; Silva, M.R.; Augusti, R.; de Araújo, R.L.B.; Melo, J.O.F. Optimization of Extraction Conditions and Characterization of Volatile Organic Compounds of Eugenia klotzschiana O. Berg Fruit Pulp. Molecules 2022, 27, 935. https://doi.org/10.3390/molecules27030935

AMA Style

Mariano APX, Ramos ALCC, de Oliveira Júnior AH, García YM, de Paula ACCFF, Silva MR, Augusti R, de Araújo RLB, Melo JOF. Optimization of Extraction Conditions and Characterization of Volatile Organic Compounds of Eugenia klotzschiana O. Berg Fruit Pulp. Molecules. 2022; 27(3):935. https://doi.org/10.3390/molecules27030935

Chicago/Turabian Style

Mariano, Ana P.X., Ana L.C.C. Ramos, Afonso H. de Oliveira Júnior, Yesenia M. García, Ana C.C.F.F. de Paula, Mauro R. Silva, Rodinei Augusti, Raquel L.B. de Araújo, and Júlio O.F. Melo. 2022. "Optimization of Extraction Conditions and Characterization of Volatile Organic Compounds of Eugenia klotzschiana O. Berg Fruit Pulp" Molecules 27, no. 3: 935. https://doi.org/10.3390/molecules27030935

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