Development of poly(lactic acid) films with propolis as a source of active compounds: Biodegradability, physical, and functional properties
ABSTRACT Active films (AFs) using poly(lactic acid) (PLA) as a polymeric matrix containing various propolis concentrations (5, 8.5, and 13%) as the active agent (AA) were developed using a casting method. The purpose was to determine the effects of the incorporation of AA on the physical properties...
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| Veröffentlicht in: | Journal of applied polymer science 2019-02, Vol.136 (8), p.n/a |
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| creator | Ulloa, P. A. Vidal, J. Dicastillo, C. Rodriguez, F. Guarda, A. Cruz, R. M. S. Galotto, M. J. |
| description | ABSTRACT
Active films (AFs) using poly(lactic acid) (PLA) as a polymeric matrix containing various propolis concentrations (5, 8.5, and 13%) as the active agent (AA) were developed using a casting method. The purpose was to determine the effects of the incorporation of AA on the physical properties of the films and to evaluate the antioxidant and antimicrobial activities. Tensile strength and elastic modulus of the AFs decreased relative to the control (PLA without AA). Introducing the active substances from propolis into the PLA also affected its thermal properties (glass transition). Adding AAs to the polymer generated more opacity with a green‐yellowish color compared to the control. In addition, AFs exhibited reduced water vapor permeability as the AA concentration increased. Biodegradation assay showed that the AFs degraded faster than the control. AFs exhibited antioxidant activity, which was measured as the ability to scavenge free radicals (2,2‐diphenyl‐1‐picrylhydrazyl and 2,2′‐azino‐bis(3‐ethylbenzothiazoline‐6‐sulfonate)), due to the presence of bioactive compounds (phenolics). Antimicrobial activity was evaluated against Escherichia coli and showed a reduction over 4‐log cycles. Therefore, incorporation of propolis is a useful strategy for the development of active packaging with antioxidant and antimicrobial effects, which increase the shelf life of food products. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47090. |
| doi_str_mv | 10.1002/app.47090 |
| format | Article |
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Active films (AFs) using poly(lactic acid) (PLA) as a polymeric matrix containing various propolis concentrations (5, 8.5, and 13%) as the active agent (AA) were developed using a casting method. The purpose was to determine the effects of the incorporation of AA on the physical properties of the films and to evaluate the antioxidant and antimicrobial activities. Tensile strength and elastic modulus of the AFs decreased relative to the control (PLA without AA). Introducing the active substances from propolis into the PLA also affected its thermal properties (glass transition). Adding AAs to the polymer generated more opacity with a green‐yellowish color compared to the control. In addition, AFs exhibited reduced water vapor permeability as the AA concentration increased. Biodegradation assay showed that the AFs degraded faster than the control. AFs exhibited antioxidant activity, which was measured as the ability to scavenge free radicals (2,2‐diphenyl‐1‐picrylhydrazyl and 2,2′‐azino‐bis(3‐ethylbenzothiazoline‐6‐sulfonate)), due to the presence of bioactive compounds (phenolics). Antimicrobial activity was evaluated against Escherichia coli and showed a reduction over 4‐log cycles. Therefore, incorporation of propolis is a useful strategy for the development of active packaging with antioxidant and antimicrobial effects, which increase the shelf life of food products. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47090.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.47090</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley & Sons, Inc</publisher><subject>active packaging ; Antiinfectives and antibacterials ; Antimicrobial agents ; Antioxidants ; Biodegradability ; Biodegradation ; E coli ; Free radicals ; functional activity ; Materials science ; Modulus of elasticity ; Physical properties ; Polylactic acid ; Polymers ; Propolis ; Shelf life ; Thermodynamic properties ; Water vapor</subject><ispartof>Journal of applied polymer science, 2019-02, Vol.136 (8), p.n/a</ispartof><rights>2018 Wiley Periodicals, Inc.</rights><rights>2019 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3690-6b8963aa203f13cb5f8f1e0f4efe8652265f9e8443d2cab323145784c8a32a013</citedby><cites>FETCH-LOGICAL-c3690-6b8963aa203f13cb5f8f1e0f4efe8652265f9e8443d2cab323145784c8a32a013</cites><orcidid>0000-0002-7267-9505 ; 0000-0003-0067-9765</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.47090$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.47090$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Ulloa, P. A.</creatorcontrib><creatorcontrib>Vidal, J.</creatorcontrib><creatorcontrib>Dicastillo, C.</creatorcontrib><creatorcontrib>Rodriguez, F.</creatorcontrib><creatorcontrib>Guarda, A.</creatorcontrib><creatorcontrib>Cruz, R. M. S.</creatorcontrib><creatorcontrib>Galotto, M. J.</creatorcontrib><title>Development of poly(lactic acid) films with propolis as a source of active compounds: Biodegradability, physical, and functional properties</title><title>Journal of applied polymer science</title><description>ABSTRACT
Active films (AFs) using poly(lactic acid) (PLA) as a polymeric matrix containing various propolis concentrations (5, 8.5, and 13%) as the active agent (AA) were developed using a casting method. The purpose was to determine the effects of the incorporation of AA on the physical properties of the films and to evaluate the antioxidant and antimicrobial activities. Tensile strength and elastic modulus of the AFs decreased relative to the control (PLA without AA). Introducing the active substances from propolis into the PLA also affected its thermal properties (glass transition). Adding AAs to the polymer generated more opacity with a green‐yellowish color compared to the control. In addition, AFs exhibited reduced water vapor permeability as the AA concentration increased. Biodegradation assay showed that the AFs degraded faster than the control. AFs exhibited antioxidant activity, which was measured as the ability to scavenge free radicals (2,2‐diphenyl‐1‐picrylhydrazyl and 2,2′‐azino‐bis(3‐ethylbenzothiazoline‐6‐sulfonate)), due to the presence of bioactive compounds (phenolics). Antimicrobial activity was evaluated against Escherichia coli and showed a reduction over 4‐log cycles. Therefore, incorporation of propolis is a useful strategy for the development of active packaging with antioxidant and antimicrobial effects, which increase the shelf life of food products. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47090.</description><subject>active packaging</subject><subject>Antiinfectives and antibacterials</subject><subject>Antimicrobial agents</subject><subject>Antioxidants</subject><subject>Biodegradability</subject><subject>Biodegradation</subject><subject>E coli</subject><subject>Free radicals</subject><subject>functional activity</subject><subject>Materials science</subject><subject>Modulus of elasticity</subject><subject>Physical properties</subject><subject>Polylactic acid</subject><subject>Polymers</subject><subject>Propolis</subject><subject>Shelf life</subject><subject>Thermodynamic properties</subject><subject>Water vapor</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kMtOwzAQRS0EEqWw4A8ssaFS0_qROA67Up5SJbqAdeQ4NnXlxiFOWuUb-GlcwhZppFnMuXdmLgDXGM0wQmQu6noWpyhDJ2CEUZZGMSP8FIzCDEc8y5JzcOH9FiGME8RG4PtB7ZV19U5VLXQa1s72t1bI1kgopCknUBu78_Bg2g2sGxfmxkMRCnrXNVIdRUd8r6B0u9p1Venv4L1xpfpsRCkKY03bT2G96b2Rwk6hqEqouypoXCXsr6lqWqP8JTjTwnp19dfH4OPp8X35Eq3enl-Xi1UkKctQxAqeMSoEQVRjKotEc40V0rHSirOEEJboTPE4piWRoqCE4jhJeSy5oEQgTMfgZvANq7865dt8G14Jt_ic4CRhJEWMBGoyULJx3jdK53VjdqLpc4zyY9Z5yDr_zTqw84E9GKv6_8F8sV4Pih9h1YIM</recordid><startdate>20190220</startdate><enddate>20190220</enddate><creator>Ulloa, P. A.</creator><creator>Vidal, J.</creator><creator>Dicastillo, C.</creator><creator>Rodriguez, F.</creator><creator>Guarda, A.</creator><creator>Cruz, R. M. S.</creator><creator>Galotto, M. J.</creator><general>John Wiley & Sons, Inc</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-7267-9505</orcidid><orcidid>https://orcid.org/0000-0003-0067-9765</orcidid></search><sort><creationdate>20190220</creationdate><title>Development of poly(lactic acid) films with propolis as a source of active compounds: Biodegradability, physical, and functional properties</title><author>Ulloa, P. A. ; Vidal, J. ; Dicastillo, C. ; Rodriguez, F. ; Guarda, A. ; Cruz, R. M. S. ; Galotto, M. J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3690-6b8963aa203f13cb5f8f1e0f4efe8652265f9e8443d2cab323145784c8a32a013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>active packaging</topic><topic>Antiinfectives and antibacterials</topic><topic>Antimicrobial agents</topic><topic>Antioxidants</topic><topic>Biodegradability</topic><topic>Biodegradation</topic><topic>E coli</topic><topic>Free radicals</topic><topic>functional activity</topic><topic>Materials science</topic><topic>Modulus of elasticity</topic><topic>Physical properties</topic><topic>Polylactic acid</topic><topic>Polymers</topic><topic>Propolis</topic><topic>Shelf life</topic><topic>Thermodynamic properties</topic><topic>Water vapor</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ulloa, P. A.</creatorcontrib><creatorcontrib>Vidal, J.</creatorcontrib><creatorcontrib>Dicastillo, C.</creatorcontrib><creatorcontrib>Rodriguez, F.</creatorcontrib><creatorcontrib>Guarda, A.</creatorcontrib><creatorcontrib>Cruz, R. M. S.</creatorcontrib><creatorcontrib>Galotto, M. J.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ulloa, P. A.</au><au>Vidal, J.</au><au>Dicastillo, C.</au><au>Rodriguez, F.</au><au>Guarda, A.</au><au>Cruz, R. M. S.</au><au>Galotto, M. J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Development of poly(lactic acid) films with propolis as a source of active compounds: Biodegradability, physical, and functional properties</atitle><jtitle>Journal of applied polymer science</jtitle><date>2019-02-20</date><risdate>2019</risdate><volume>136</volume><issue>8</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>ABSTRACT
Active films (AFs) using poly(lactic acid) (PLA) as a polymeric matrix containing various propolis concentrations (5, 8.5, and 13%) as the active agent (AA) were developed using a casting method. The purpose was to determine the effects of the incorporation of AA on the physical properties of the films and to evaluate the antioxidant and antimicrobial activities. Tensile strength and elastic modulus of the AFs decreased relative to the control (PLA without AA). Introducing the active substances from propolis into the PLA also affected its thermal properties (glass transition). Adding AAs to the polymer generated more opacity with a green‐yellowish color compared to the control. In addition, AFs exhibited reduced water vapor permeability as the AA concentration increased. Biodegradation assay showed that the AFs degraded faster than the control. AFs exhibited antioxidant activity, which was measured as the ability to scavenge free radicals (2,2‐diphenyl‐1‐picrylhydrazyl and 2,2′‐azino‐bis(3‐ethylbenzothiazoline‐6‐sulfonate)), due to the presence of bioactive compounds (phenolics). Antimicrobial activity was evaluated against Escherichia coli and showed a reduction over 4‐log cycles. Therefore, incorporation of propolis is a useful strategy for the development of active packaging with antioxidant and antimicrobial effects, which increase the shelf life of food products. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47090.</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/app.47090</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-7267-9505</orcidid><orcidid>https://orcid.org/0000-0003-0067-9765</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | active packaging Antiinfectives and antibacterials Antimicrobial agents Antioxidants Biodegradability Biodegradation E coli Free radicals functional activity Materials science Modulus of elasticity Physical properties Polylactic acid Polymers Propolis Shelf life Thermodynamic properties Water vapor |
| title | Development of poly(lactic acid) films with propolis as a source of active compounds: Biodegradability, physical, and functional properties |
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