Liposomal nanodelivery systems using soy and marine lecithin to encapsulate food biopreservative nisin
Identifieur interne : 000125 ( Main/Merge ); précédent : 000124; suivant : 000126Liposomal nanodelivery systems using soy and marine lecithin to encapsulate food biopreservative nisin
Auteurs : Muhammad Imran [France] ; Anne-Marie Revol-Junelles [France] ; Cedric Paris [France] ; Emmanuel Guedon [France] ; Michel Linder [France] ; Stéphane Desobry [France]Source :
- Food Science and Technology [ 0023-6438 ] ; 2015-06.
Abstract
Purified nisin was encapsulated in liposomes made with marine lecithin (ML) or soy lecithin (SL) using a continuous cell disruption system method of microfluidic format and compared with liposomes prepared from proliposomes. SL had higher omega-6 and polar lipids as compared to ML while proliposomes contained only saturated phospholipids. Nisin was entrapped in SL liposomes with highest encapsulation efficiency of 47% at 5% SL concentration. Average size of these liposomes ranged from 151 +/- 4 to 181 +/- 5 nm, without or with nisin respectively. Electrophoretic mobility was influenced by the nature and concentration of lecithin; however, incorporation of nisin reduced the negative charge of lip osomes significantly. Physical stability of liposome-encapsulated nisin was demonstrated for 6 weeks at 4 degrees C, though transmission electron microscopic studies revealed pore-formation by nisin and fusion phenomenon after 20 weeks at 4 degrees C. Antimicrobial assay revealed that blend of unencapsulated/free and encapsulated nisin (1:1) exhibited a better control of Listeria monocytogenes CIP 82110 as compared to free or 100% encapsulated nisin alone. Thus developing liposomes formulation made from SL may provide an efficient nanodelivery system for nisin.
Url:
DOI: 10.1016/j.lwt.2014.12.046
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<desc><address><addrLine>34 cours Léopold - CS 25233 - 54052 Nancy cedex</addrLine>
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<orgName>Centre National de la Recherche Scientifique</orgName>
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<date type="start">1939-10-19</date>
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<country>France</country>
<placeName><settlement type="city">Nancy</settlement>
<settlement type="city">Metz</settlement>
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<author><name sortKey="Linder, Michel" sort="Linder, Michel" uniqKey="Linder M" first="Michel" last="Linder">Michel Linder</name>
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<author><name sortKey="Desobry, Stephane" sort="Desobry, Stephane" uniqKey="Desobry S" first="Stéphane" last="Desobry">Stéphane Desobry</name>
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<country>France</country>
<placeName><settlement type="city">Nancy</settlement>
<settlement type="city">Metz</settlement>
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<idno type="DOI">10.1016/j.lwt.2014.12.046</idno>
<series><title level="j">Food Science and Technology</title>
<idno type="ISSN">0023-6438</idno>
<imprint><date type="datePub">2015-06</date>
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<front><div type="abstract" xml:lang="en">Purified nisin was encapsulated in liposomes made with marine lecithin (ML) or soy lecithin (SL) using a continuous cell disruption system method of microfluidic format and compared with liposomes prepared from proliposomes. SL had higher omega-6 and polar lipids as compared to ML while proliposomes contained only saturated phospholipids. Nisin was entrapped in SL liposomes with highest encapsulation efficiency of 47% at 5% SL concentration. Average size of these liposomes ranged from 151 +/- 4 to 181 +/- 5 nm, without or with nisin respectively. Electrophoretic mobility was influenced by the nature and concentration of lecithin; however, incorporation of nisin reduced the negative charge of lip osomes significantly. Physical stability of liposome-encapsulated nisin was demonstrated for 6 weeks at 4 degrees C, though transmission electron microscopic studies revealed pore-formation by nisin and fusion phenomenon after 20 weeks at 4 degrees C. Antimicrobial assay revealed that blend of unencapsulated/free and encapsulated nisin (1:1) exhibited a better control of Listeria monocytogenes CIP 82110 as compared to free or 100% encapsulated nisin alone. Thus developing liposomes formulation made from SL may provide an efficient nanodelivery system for nisin.</div>
</front>
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