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Pregled bibliografske jedinice broj: 614928

Effect of relative humidity on carvacrol release and permeation properties of chitosan based films and coatings


Kurek, Mia; Guinault, Alain; Voilley, Andree; Galić, Kata; Debeaufort, Frederic
Effect of relative humidity on carvacrol release and permeation properties of chitosan based films and coatings // Food chemistry, 144 (2014), 9-17 doi:10.1016/j.foodchem.2012.11.132 (međunarodna recenzija, članak, znanstveni)


Naslov
Effect of relative humidity on carvacrol release and permeation properties of chitosan based films and coatings

Autori
Kurek, Mia ; Guinault, Alain ; Voilley, Andree ; Galić, Kata ; Debeaufort, Frederic

Izvornik
Food chemistry (0308-8146) 144 (2014); 9-17

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Biopolymer; relative humidity permeability; contact angle; active compound release; swelling

Sažetak
The influence of water vapour conditions on mass transport and barrier properties of chitosan based films and coatings were studied in relation to surface and structural properties. Water contact angles, material swelling, polymer degradation temperature, barrier properties (PO2, PCO2, WVP) and aroma diffusion coefficients were determined. The solvent nature and the presence of carvacrol influenced the surface and structural properties and then the barrier performance of activated chitosan films. Increasing RH from 0% to 100% led to a significant increase in material swelling. The plasticization effect of water was ore pronounced at high humid environment, while at low RH the matrix plasticization was induced by carvacrol. The deposit of a thin chitosan layer on polyethylene decreased PO2 and PCO2 both in dry and humid conditions. The carvacrol release from the chitosan matrix was strongly influenced by RH. A temperature increase from 4 to 37 C also had an impact on carvacrol diffusivity but to a lesser extent than RH.

Izvorni jezik
Engleski

Znanstvena područja
Biotehnologija, Prehrambena tehnologija



POVEZANOST RADA


Projekt / tema
058-1252971-2805 - Permeacijska svojstva nekih polimernih materijala za pakiranje hrane (Kata Galić, )

Ustanove
Prehrambeno-biotehnološki fakultet, Zagreb

Autor s matičnim brojem:
Mia Kurek, (302626)
Kata Galić, (58664)

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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