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Bioactive coatings from nano‐biopolymers/plant extract composites for complete protection from mycotoxigenic fungi in dates
Journal of the science of food and agriculture, 2019-07, Vol.99 (9), p.4338-4343
Alotaibi, Maeidh A
Tayel, Ahmed A
Zidan, Nahla S
El Rabey, Haddad A
2019
Details
Autor(en) / Beteiligte
Alotaibi, Maeidh A
Tayel, Ahmed A
Zidan, Nahla S
El Rabey, Haddad A
Titel
Bioactive coatings from nano‐biopolymers/plant extract composites for complete protection from mycotoxigenic fungi in dates
Ist Teil von
Journal of the science of food and agriculture, 2019-07, Vol.99 (9), p.4338-4343
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2019
Link zum Volltext
Quelle
Wiley Online Library Journals Frontfile Complete
Beschreibungen/Notizen
BACKGROUND Contamination of date fruit with mycotoxigenic fungi is a hazardous threat. The present study investigated the effectiveness of natural derivatives for controlling this. Chitosan (Cts) was produced from Aspergillus niger mycelia and characterized and then nanochitosan (NCt) particles were synthesized from fungal Cts. Edible‐coating films were formulated based on Cts, NCt, pomegranate peel extract (PPE) and their composites and these were evaluated as antifungal materials against mycotoxigenic fungi, Aspergillus flavus, Aspergillus ochraceus and Fusarium moniliforme. RESULTS The Cts produced had 88.7% deacetylation, a molecular weight of 24.5 kDa and 98% solubility in diluted acetic acid, whereas the particle diameters of synthesized NCts ranged from 35 to 65 nm. The inhibition zone assay emphasized the antifungal effectiveness of the entire coating films. The most effective agent for preparing edible film was the blend of NCt + PPE followed by Cts + PPE based films. The practical application of antifungal films for date decontamination with respect to mycotoxigenic fungi demonstrates that the films were very effective for controlling the entire fungal strain and preventing growth on the fruits. CONCLUSION The NCt + PPE and Cts + PPE based films were found to be the most effective because they could completely eliminate the growth of any fungal spore on date fruit after 48 h from the coating experiment. © 2019 Society of Chemical Industry
Sprache
Englisch
Identifikatoren
ISSN: 0022-5142
eISSN: 1097-0010
DOI: 10.1002/jsfa.9667
Titel-ID: cdi_proquest_miscellaneous_2187958362
Format
–
Schlagworte
Acetic acid
,
antifungal
,
Antifungal activity
,
Aspergillus flavus - drug effects
,
Aspergillus flavus - growth & development
,
Aspergillus niger - chemistry
,
Aspergillus niger - metabolism
,
Aspergillus ochraceus - drug effects
,
Aspergillus ochraceus - growth & development
,
Biopolymers
,
Biopolymers - chemistry
,
Biopolymers - metabolism
,
Biopolymers - pharmacology
,
Chitosan
,
Chitosan - chemistry
,
Chitosan - metabolism
,
Chitosan - pharmacology
,
chitosan edible coating
,
Coatings
,
Composite materials
,
Contamination
,
date decontamination
,
Deacetylation
,
Decontamination
,
Food Contamination - analysis
,
Food Contamination - prevention & control
,
Food Packaging - instrumentation
,
Fruit - chemistry
,
Fruit - microbiology
,
Fruits
,
Fungi
,
Fungicides
,
Fusarium - drug effects
,
Fusarium - growth & development
,
Molecular weight
,
Mycelia
,
natural products
,
Organic chemistry
,
Phoeniceae - chemistry
,
Phoeniceae - microbiology
,
Plant extracts
,
Plant Extracts - chemistry
,
Plant Extracts - pharmacology
,
Plant protection
,
Protective coatings
,
Synthesis
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