Physical properties and antifungal activity of bioactive films containing Wickerhamomyces anomalus killer yeast and their application for preservation of oranges and control of postharvest green mold caused by Penicillium digitatum.
Identifieur interne : 000501 ( Main/Exploration ); précédent : 000500; suivant : 000502Physical properties and antifungal activity of bioactive films containing Wickerhamomyces anomalus killer yeast and their application for preservation of oranges and control of postharvest green mold caused by Penicillium digitatum.
Auteurs : Hajer Aloui [Tunisie] ; Fabio Licciardello [Italie] ; Khaoula Khwaldia [Tunisie] ; Moktar Hamdi [Tunisie] ; Cristina Restuccia [Italie]Source :
- International journal of food microbiology [ 1879-3460 ] ; 2015.
English descriptors
- KwdEn :
- Alginates (metabolism), Antibiosis, Antifungal Agents (standards), Citrus sinensis (microbiology), Food Microbiology, Food Preservation (methods), Fruit (microbiology), Galactans (metabolism), Glucuronic Acid (metabolism), Hexuronic Acids (metabolism), Mannans (metabolism), Penicillium (growth & development), Penicillium (physiology), Plant Gums (metabolism), Saccharomycetales (physiology).
- MESH :
- chemical , metabolism : Alginates, Galactans, Glucuronic Acid, Hexuronic Acids, Mannans, Plant Gums.
- chemical , standards : Antifungal Agents.
- growth & development : Penicillium.
- methods : Food Preservation.
- microbiology : Citrus sinensis, Fruit.
- physiology : Penicillium, Saccharomycetales.
- Antibiosis, Food Microbiology.
Abstract
This study assessed the ability of two bio-based films, obtained from sodium alginate (NaAlg) and locust bean gum (LBG), to protect the viability of Wickerhamomyces anomalus cells and control the growth of Penicillium digitatum. The effect of microbial cell incorporation on physical properties of the developed films was evaluated in terms of barrier, mechanical and optical properties. Furthermore, the application of these two matrices as bioactive coatings was investigated in order to evaluate their efficacy in preserving the postharvest quality of 'Valencia' oranges and inhibiting the growth of P. digitatum on artificially inoculated fruits. Results showed that NaAlg and LBG films were able to maintain more than 85% of the initial W. anomalus yeast population and that the developed films incorporating the killer yeast completely inhibited the growth of P. digitatum in synthetic medium. Likewise, NaAlg and LBG coatings enriched with W. anomalus yeast were effective at reducing weight loss and maintaining firmness of 'Valencia' oranges during storage, and reduced green mold in inoculated fruits by more than 73% after 13 days.
DOI: 10.1016/j.ijfoodmicro.2015.01.015
PubMed: 25666444
Affiliations:
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Le document en format XML
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Electronic address: khaoula_khwaldia@yahoo.fr.</nlm:affiliation><country xml:lang="fr">Tunisie</country><wicri:regionArea>Laboratoire des Substances Naturelles (LSN, LR10 INRAP02), Institut National de Recherche et d'Analyse Physico-chimique (INRAP), Pôle Technologique de Sidi Thabet, 2020 Sidi Thabet</wicri:regionArea><wicri:noRegion>2020 Sidi Thabet</wicri:noRegion></affiliation></author><author><name sortKey="Hamdi, Moktar" sort="Hamdi, Moktar" uniqKey="Hamdi M" first="Moktar" last="Hamdi">Moktar Hamdi</name><affiliation wicri:level="1"><nlm:affiliation>Laboratoire d'Ecologie et de Technologie Microbienne, Institut National des Sciences Appliquées et de Technologie (INSAT), 2 Boulevard de la Terre, BP 676, 1080 Tunis, Tunisia.</nlm:affiliation><country xml:lang="fr">Tunisie</country><wicri:regionArea>Laboratoire d'Ecologie et de Technologie Microbienne, Institut National des Sciences Appliquées et de Technologie (INSAT), 2 Boulevard de la Terre, BP 676, 1080 Tunis</wicri:regionArea><wicri:noRegion>1080 Tunis</wicri:noRegion></affiliation></author><author><name sortKey="Restuccia, Cristina" sort="Restuccia, Cristina" uniqKey="Restuccia C" first="Cristina" last="Restuccia">Cristina Restuccia</name><affiliation wicri:level="1"><nlm:affiliation>Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, Via Santa Sofia 98, 95123 Catania, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, Via Santa Sofia 98, 95123 Catania</wicri:regionArea><wicri:noRegion>95123 Catania</wicri:noRegion></affiliation></author></analytic><series><title level="j">International journal of food microbiology</title><idno type="eISSN">1879-3460</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alginates (metabolism)</term><term>Antibiosis</term><term>Antifungal Agents (standards)</term><term>Citrus sinensis (microbiology)</term><term>Food Microbiology</term><term>Food Preservation (methods)</term><term>Fruit (microbiology)</term><term>Galactans (metabolism)</term><term>Glucuronic Acid (metabolism)</term><term>Hexuronic Acids (metabolism)</term><term>Mannans (metabolism)</term><term>Penicillium (growth & development)</term><term>Penicillium (physiology)</term><term>Plant Gums (metabolism)</term><term>Saccharomycetales (physiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Alginates</term><term>Galactans</term><term>Glucuronic Acid</term><term>Hexuronic Acids</term><term>Mannans</term><term>Plant Gums</term></keywords><keywords scheme="MESH" type="chemical" qualifier="standards" xml:lang="en"><term>Antifungal Agents</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Penicillium</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Food Preservation</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Citrus sinensis</term><term>Fruit</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Penicillium</term><term>Saccharomycetales</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Antibiosis</term><term>Food Microbiology</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study assessed the ability of two bio-based films, obtained from sodium alginate (NaAlg) and locust bean gum (LBG), to protect the viability of Wickerhamomyces anomalus cells and control the growth of Penicillium digitatum. The effect of microbial cell incorporation on physical properties of the developed films was evaluated in terms of barrier, mechanical and optical properties. Furthermore, the application of these two matrices as bioactive coatings was investigated in order to evaluate their efficacy in preserving the postharvest quality of 'Valencia' oranges and inhibiting the growth of P. digitatum on artificially inoculated fruits. Results showed that NaAlg and LBG films were able to maintain more than 85% of the initial W. anomalus yeast population and that the developed films incorporating the killer yeast completely inhibited the growth of P. digitatum in synthetic medium. Likewise, NaAlg and LBG coatings enriched with W. anomalus yeast were effective at reducing weight loss and maintaining firmness of 'Valencia' oranges during storage, and reduced green mold in inoculated fruits by more than 73% after 13 days.</div></front></TEI><affiliations><list><country><li>Italie</li><li>Tunisie</li></country></list><tree><country name="Tunisie"><noRegion><name sortKey="Aloui, Hajer" sort="Aloui, Hajer" uniqKey="Aloui H" first="Hajer" last="Aloui">Hajer Aloui</name></noRegion><name sortKey="Hamdi, Moktar" sort="Hamdi, Moktar" uniqKey="Hamdi M" first="Moktar" last="Hamdi">Moktar Hamdi</name><name sortKey="Khwaldia, Khaoula" sort="Khwaldia, Khaoula" uniqKey="Khwaldia K" first="Khaoula" last="Khwaldia">Khaoula Khwaldia</name></country><country name="Italie"><noRegion><name sortKey="Licciardello, Fabio" sort="Licciardello, Fabio" uniqKey="Licciardello F" first="Fabio" last="Licciardello">Fabio Licciardello</name></noRegion><name sortKey="Restuccia, Cristina" sort="Restuccia, Cristina" uniqKey="Restuccia C" first="Cristina" last="Restuccia">Cristina Restuccia</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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