Thermal stability of bacteriocin nisin in polylactide-based films
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F18%3A63521095" target="_blank" >RIV/70883521:28110/18:63521095 - isvavai.cz</a>
Alternative codes found
RIV/70883521:28610/18:63521095
Result on the web
<a href="http://dx.doi.org/10.1016/j.polymdegradstab.2018.10.019" target="_blank" >http://dx.doi.org/10.1016/j.polymdegradstab.2018.10.019</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.polymdegradstab.2018.10.019" target="_blank" >10.1016/j.polymdegradstab.2018.10.019</a>
Alternative languages
Result language
angličtina
Original language name
Thermal stability of bacteriocin nisin in polylactide-based films
Original language description
This work investigates the thermal stability of bacteriocin nisin in polylactide (PLA) and polylactide/polyethylene glycol (PLA/PEG) blends at temperatures of 90 °C–180 °C. The samples were prepared by solvent cast technique and characterized according to their mechanical and thermal properties. Research on the thermal stability of nisin in the PLA and PLA/PEG systems was carried out by exposing the given films to various temperatures (90 °C, 120 °C, 160 °C, and 180 °C) for a duration of up to 48 h. Assessment of the antibacterial activity of the samples was carried out by the agar diffusion method against Micrococcus luteus, while structural analysis involved the use of high-performance liquid chromatography with mass detection. Structural changes in the polymer matrix were evaluated by gel permeation chromatography and scanning electron microscopy. The results showed that nisin retained almost 70% of its antimicrobial activity in the PLA matrix, even after treatment at 160 °C for 15 min. The presence of PEG significantly enhanced the degradation of nisin above 120 °C.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10404 - Polymer science
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Polymer Degradation and Stability
ISSN
0141-3910
e-ISSN
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Volume of the periodical
158
Issue of the periodical within the volume
neuvedeno
Country of publishing house
GB - UNITED KINGDOM
Number of pages
9
Pages from-to
31-39
UT code for WoS article
000452930600004
EID of the result in the Scopus database
2-s2.0-85055704819