Journal
FOOD RESEARCH INTERNATIONAL
Volume 52, Issue 1, Pages 8-16Publisher
ELSEVIER
DOI: 10.1016/j.foodres.2013.02.001
Keywords
Aflatoxin; Frying; HPLC; Mycotoxin; Xerophiles
Categories
Funding
- Research Center, College of Science, King Saud University
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Antifungal and antiaflatoxigenic potential of culinary plant Murraya koenigii and its culinary oil food additive potential were reported. Aspergillus sp. obtained were evaluated for their aflatoxigenic xerophilic potential. The fungitoxicity of extracts on highly aflatoxigenic xerophilic A. flavus MTCC10680 isolate was determined using poisoned food technique. The biomass mycelial dry weight and aflatoxin B-1 (AFB(1)) production was also measured. The oil samples were fried with M. koenigii leaves and the changes in aflatoxin reduction, endogenous fatty acid (FA) composition and other quality parameters in artificially contaminated samples were determined. Bioactive component Gas Chromatography Mass Spectroscopy (GC-MS) analyses and its in silico interaction with modeled ver1 protein were also determined. The mean values of quality parameters indicated the conformation of the samples to the prescribed standards. Frying artificially contaminated oil with M. koenigii showed reductions of 72% AFB(1) and 73.58% AFB(2) with no strategic FA compositional change. All the extracts showed differential phytochemical extraction, varied mycelial as well as aflatoxin inhibitory activity. The methanol extract showed 99.34% AFB(1) and 99.6% AFB(2) inhibition. 13 bioactive compounds were shown to interact with ver1 protein. Frying oil with M. koenigii could lead to long storage reduction in aflatoxin and frying performance increase without nutritional loss. (c) 2013 Elsevier Ltd. All rights reserved.
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