Encapsulation of Fennel and Basil Essential Oils in β-Cyclodextrin for Novel Biopesticide Formulation

β-cyclodextrin (β-CD) is a good host for the encapsulation of fennel and basil essential oils (FEO and BEO, respectively) and the formation of inclusion complexes (ICs) using the co-precipitation method. According to the results of the GC/MS analysis conducted in this study, monoterpenes and monoter...

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Main Authors: Nina Devrnja, Boban Anđelković, Jovana Ljujić, Tatjana Ćosić, Sofija Stupar, Milica Milutinović, Jelena Savić
Format: Article
Language:English
Published: MDPI AG 2024-03-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/14/3/353
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author Nina Devrnja
Boban Anđelković
Jovana Ljujić
Tatjana Ćosić
Sofija Stupar
Milica Milutinović
Jelena Savić
author_facet Nina Devrnja
Boban Anđelković
Jovana Ljujić
Tatjana Ćosić
Sofija Stupar
Milica Milutinović
Jelena Savić
author_sort Nina Devrnja
collection DOAJ
description β-cyclodextrin (β-CD) is a good host for the encapsulation of fennel and basil essential oils (FEO and BEO, respectively) and the formation of inclusion complexes (ICs) using the co-precipitation method. According to the results of the GC/MS analysis conducted in this study, monoterpenes and monoterpenoids were the dominant chemical groups in total FEO, while in BEO, these two groups occurred along with sesquiterpenes and sesquiterpenoids. The presence of dominant compounds from both EOs was validated using the FT-IR spectra of ICs, which indicated successful complexation. Analyses conducted using SPME/GC-MS showed the continuous emission of volatiles over 24 h from both ICs. Under SEM, particles of both ICs appeared to have a rectangular or rhomboid morphology and few aggregates. The insecticidal properties of EOs and ICs with β-CD were tested on the Colorado potato beetle (CPB) as a model pest. The inclusion complex of β-CD with FEO altered the developmental dynamic and body mass of the CPB. The initial increase in the proteolytic activity of CPB larvae fed with potato plants sprayed with ICs was not maintained for long, and the proteolytic efficacy of treated larvae remained in line with that of the control larvae. Future investigations will focus on manipulating the volume of EOs used and the treatment duration for optimal efficacy and potential application.
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spelling doaj.art-c2106d65caf84af6bded9326e63b00512024-03-27T13:28:01ZengMDPI AGBiomolecules2218-273X2024-03-0114335310.3390/biom14030353Encapsulation of Fennel and Basil Essential Oils in β-Cyclodextrin for Novel Biopesticide FormulationNina Devrnja0Boban Anđelković1Jovana Ljujić2Tatjana Ćosić3Sofija Stupar4Milica Milutinović5Jelena Savić6Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, SerbiaFaculty of Chemistry, University of Belgrade, Studentski trg 16, 11000 Belgrade, SerbiaFaculty of Chemistry, University of Belgrade, Studentski trg 16, 11000 Belgrade, SerbiaInstitute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, SerbiaInstitute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, SerbiaInstitute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, SerbiaInstitute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbiaβ-cyclodextrin (β-CD) is a good host for the encapsulation of fennel and basil essential oils (FEO and BEO, respectively) and the formation of inclusion complexes (ICs) using the co-precipitation method. According to the results of the GC/MS analysis conducted in this study, monoterpenes and monoterpenoids were the dominant chemical groups in total FEO, while in BEO, these two groups occurred along with sesquiterpenes and sesquiterpenoids. The presence of dominant compounds from both EOs was validated using the FT-IR spectra of ICs, which indicated successful complexation. Analyses conducted using SPME/GC-MS showed the continuous emission of volatiles over 24 h from both ICs. Under SEM, particles of both ICs appeared to have a rectangular or rhomboid morphology and few aggregates. The insecticidal properties of EOs and ICs with β-CD were tested on the Colorado potato beetle (CPB) as a model pest. The inclusion complex of β-CD with FEO altered the developmental dynamic and body mass of the CPB. The initial increase in the proteolytic activity of CPB larvae fed with potato plants sprayed with ICs was not maintained for long, and the proteolytic efficacy of treated larvae remained in line with that of the control larvae. Future investigations will focus on manipulating the volume of EOs used and the treatment duration for optimal efficacy and potential application.https://www.mdpi.com/2218-273X/14/3/353inclusion complexFT-IRSPME/GC-MSColorado potato beetle
spellingShingle Nina Devrnja
Boban Anđelković
Jovana Ljujić
Tatjana Ćosić
Sofija Stupar
Milica Milutinović
Jelena Savić
Encapsulation of Fennel and Basil Essential Oils in β-Cyclodextrin for Novel Biopesticide Formulation
Biomolecules
inclusion complex
FT-IR
SPME/GC-MS
Colorado potato beetle
title Encapsulation of Fennel and Basil Essential Oils in β-Cyclodextrin for Novel Biopesticide Formulation
title_full Encapsulation of Fennel and Basil Essential Oils in β-Cyclodextrin for Novel Biopesticide Formulation
title_fullStr Encapsulation of Fennel and Basil Essential Oils in β-Cyclodextrin for Novel Biopesticide Formulation
title_full_unstemmed Encapsulation of Fennel and Basil Essential Oils in β-Cyclodextrin for Novel Biopesticide Formulation
title_short Encapsulation of Fennel and Basil Essential Oils in β-Cyclodextrin for Novel Biopesticide Formulation
title_sort encapsulation of fennel and basil essential oils in β cyclodextrin for novel biopesticide formulation
topic inclusion complex
FT-IR
SPME/GC-MS
Colorado potato beetle
url https://www.mdpi.com/2218-273X/14/3/353
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