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Sinteza i karakterizacija aktivnih vlakana i filmova na bazi poli(є-kaprolaktona) i zeina

Synthesis and characterization of active fibers and films based on poly(e-caprolactone) and zein

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2021
Disertacija.pdf (5.452Mb)
Referat.pdf (246.4Kb)
Author
Salević, Ana
Mentor
Nedović, Viktor
Committee members
Uskoković, Petar
Lević, Steva
Stojanović, Dušica B.
Petrović, Tanja
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Abstract
Osnovni cilj doktorske disertacije bio je razvoj aktivnih, biorazgradivih materijala sa potencijalom primene kao ambalažnih materijala za pakovanje prehrambenih proizvoda. U ovom pogledu, istraživanja su obuhvatila formulisanje, sintezu i karakterizaciju različitih struktura na bazi biorazgradivih polimera različitog porekla, odnosno polimera dobijenih iz neobnovljivih (poli(ε-kaprolakton) i obnovljivih (zein) izvora. Ekstrakt žalfije inkorporiran je kao aktivni konstituent unutar polimernih matriksa u cilju postizanja funkcionalnosti materijala u prevenciji oksidacionih procesa i rasta bakterija. U ovom pogledu, poseban fokus bio je usmeren na analizu uticaja inkorporacije različitih sadržaja ekstrakta na fizička, hemijska i funkcionalna svojstva materijala, kao i na njihovu biorazgradivost...
The main aim of this doctoral dissertation was to develop active, biodegradable materials with a potential in food packaging applications. In this regard, the research comprised formulating, synthesis and characterization of various structures based on biodegradable polymers of different source of origin, i.e. synthetic (poly(ε-caprolactone)) and natural (zein) one. A sage extract was incorporated as an active constituent within the polymeric matrices in order to impart materials’ functionality in preventing oxidation processes and bacterial growth. Therefore, a comprehensive investigation was carried out to evaluate the effect of the sage extract incorporation at different loading contents on physical, chemical and functional properties of the materials, as well as the materials’ biodegradability...
Faculty:
Универзитет у Београду, Пољопривредни факултет
Date:
14-04-2021
Projects:
  • Novel encapsulation and enzyme technologies for designing of new biocatalysts and biologically active compounds targeting enhancement of food quality, safety and competitiveness (RS-46010)
Keywords:
inkorporacija / incorporation / electrospinning / solvent casting / fibers / films / poly(ε-caprolactone) / zein / gelatine / sage / active food packaging / elektropredenje / izlivanje iz rastvora / vlakna / filmovi / poli(ε-kaprolakton) / zein / želatin / žalfija / aktivni ambalažni materijali za prehrambene proizvode
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_nardus_18393
URI
http://eteze.bg.ac.rs/application/showtheses?thesesId=8201
https://fedorabg.bg.ac.rs/fedora/get/o:23887/bdef:Content/download
http://vbs.rs/scripts/cobiss?command=DISPLAY&base=70036&RID=40412169
https://nardus.mpn.gov.rs/handle/123456789/18393

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