Abstract：
:The present study reports the antifungal, aflatoxin B1 inhibitory, and free radical scavenging activity of chitosan-based nanoencapsulatedBunium persicum Boiss. essential oil (Ne-BPEO). The chemical profile ofBPEO was identified through Gas chromatography mass spectrometry analysis where cuminaldehyde (21.23%), sabinene (14.66%), and γ-terpinen (12.49%) were identified as the major compounds. Ne-BPEO was prepared using chitosan and characterised by Scanning electron microscope (SEM), Atomic force microscope (AFM), Fourier-transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD) assay. Ne-BPEO completely inhibited the growth and aflatoxin B1 production at a concentration of 0.3 μL/mL. The antifungal and aflatoxin B1 inhibitory effects were related to decreasing in ergosterol content, leakage of membrane ions (Ca2+, K+, and Mg2+), impairment in carbohydrate catabolism, and functioning of ver-1 gene of A. flavus exposed to Ne-BPEO over the control. In addition, Ne-BPEO exhibited promising free radical scavenging activity through DPPH assay (IC50 12.64 μL/mL) with high thermo-stability. Therefore, chitosan could be used as a carrier agent of plant-based preservative to enhance the shelf-life of food products against A. flavus and aflatoxin B1 contamination.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Yadav A,Kujur A,Kumar A,Singh PP,Gupta V,Prakash Bdoi
10.1016/j.ijbiomac.2019.09.089subject
Has Abstractpub_date
2020-01-01 00:00:00pages
172-180eissn
0141-8130issn
1879-0003pii
S0141-8130(19)35103-7journal_volume
142pub_type
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