Natural nanopesticides with origin of Plantago major seeds extract for Tribolium castaneum control
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ORIGINAL RESEARCH
Natural nanopesticides with origin of Plantago major seeds extract for Tribolium castaneum control Zohreh Khoshraftar1 · Ali Shamel2 · Ali Akbar Safekordi1 · Mehdi Ardjmand3 · Mohammad Zaefizadeh4 Received: 17 February 2020 / Accepted: 13 June 2020 © Islamic Azad University 2020
Abstract This study aimed to investigate the insecticidal activity and toxicity durability of Plantago major seed (PMS) extract loaded nanoliposomes against Tribolium castaneum. The major constituents of PMS extract were determined by GC–MS: benzene dicarboxylic acid (23.49%), dodecane (9.17%), 1-ethynylcyclopentanol (7.36%), heptadecane (6.47%) and cyclohexanol (4.56%). The Characterization of Plantago major seed extract loaded nanoliposomes was investigated by SEM, DLS, ζ-potential, FTIR, and encapsulation efficiency. The mean particle size distribution of PMS nanoliposomes is 50 ± 1.8 nm with PDI 0.41 ± 0.014. The ζ-potential of PMS extract loaded nanoliposomes was equal to − 27.23 ± 5.31 mV. The encapsulation efficiency of nanoliposomes containing PMS extract was 96%. PMS extract loaded nanoliposomes have a spherical shape. FTIR reveals interactions of the PMS extract in nanoliposome structures with phospholipid groups. To determine the insecticidal potential of Plantago major seed extract nanoliposomes were impregnated with concentration (10, 25, 40, 65, 80, and 100 mg/ml). During fumigant testing, the LC50 of the Plantago major seed extract was 39.30 mg/ml against Tribolium castaneum adults after 72 h of exposure time. The requirement decreased to 35.50 mg/ml after the nanoencapsulation of plant extract for 72 h of exposure of time. The mortality percentage of Tribolium castaneum by PMS extract and PMS extract loaded nanoliposomes (V: 100 mg/ml) for 60 days after the production of samples 16.25% and 62.50%., respectively. The release percentage of Plantago major seed extracts loaded nanoliposomes was 54% after 24 h. The conclusions of this study indicate that nano-encapsulated Plantago major seed extracts have good effects on the pest, and can be an effective alternative to synthetic pesticides.
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13
Vol.:(0123456789)
Journal of Nanostructure in Chemistry
Graphic abstract Plantago major seed (PMS) extract loaded nanoliposomes have a good insecticidal effect on Tribolium castaneum.
Keywords Botanical insecticide · Chemical composition · Nanoliposomes · Plantago major seed · Tribolium castaneum
Introduction The excessive use of synthetic insecticides to control pests has to lead to detrimental environmental effects. Plant-based insecticides are biodegradable and are of little toxicity to mammals. Therefore, natural compounds in recent years have been receiving a lot of attention. According to surveys, more than 1500 species of plants have an insecticidal effect [1–3]. Various strategies such as nanoemulsion, nanoparticles, have been undertaken to improve the effectiveness of these botanical pesticides [4–6]. Among these techniques, liposo
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