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Effect of Polydextrose and NaCl on the Initial Freezing Point of Chicken, Egg and Surimi


Kovačević, Dragan; Kurtanjek, Želimir; Šubarić, Drago
Effect of Polydextrose and NaCl on the Initial Freezing Point of Chicken, Egg and Surimi // Italian Journal of Food Science, 15 (2003), 1; 105-113 (međunarodna recenzija, članak, znanstveni)


Naslov
Effect of Polydextrose and NaCl on the Initial Freezing Point of Chicken, Egg and Surimi
(Effect of Polydextrose and NaCl on the Initial Freezing Point of chicken, egg and surimi)

Autori
Kovačević, Dragan ; Kurtanjek, Želimir ; Šubarić, Drago

Izvornik
Italian Journal of Food Science (1120-1770) 15 (2003), 1; 105-113

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

Ključne riječi
chicken; egg; initial freezing point; NaCl; polydextrose; surimi
(Chicken; Egg; Initial freezing point; NaCl; Polydextrose; Surimi)

Sažetak
Initial freezing points (Ti ) of chicken, egg (mixture of egg yolk and white, egg yolk, egg white) and surimi mixed with different mass fractions of polydextrose (w = 1-10%) and NaCl (w = 1-10%) were determined using differential thermal analysis (DTA). Relationships between the decrease of Ti as a function of the mass fractions (w) of the added substances were determined by linear regression analysis. The greatest effect on freezing point depression was exhibited by egg yolk mixed with NaCl (from -0.59 to -18.77 oC), and the least effect was exhibited by egg mixture with polydextrose (from -0.40 to -0.49 oC). Two multivariable regression models based on mass fractions of protein and fat content and the added substances predicted Ti with coefficients of determination (R2 ) of 0.96 and 0.98. There were differences in the Ti values for samples of chicken, surimi, egg yolk, egg white, egg mixture and water solution of polydextrose, as a function of the mass fraction of polydextrose calculated on the total mass of water. These findings support the assumption that polydextrose interacts with proteins in egg, chicken and surimi, resulting in an increase in the mass fraction of bound water, which depresses Ti. The negligible interaction of NaCl and protein can be explained by the same argument. The results are compared and discussed with the Pham model for prediction of Ti.

Izvorni jezik
Engleski

Znanstvena područja
Prehrambena tehnologija



POVEZANOST RADA


Projekt / tema
0058012
0113001
0113008

Ustanove
Prehrambeno-tehnološki fakultet, Osijek

Citiraj ovu publikaciju

Kovačević, Dragan; Kurtanjek, Želimir; Šubarić, Drago
Effect of Polydextrose and NaCl on the Initial Freezing Point of Chicken, Egg and Surimi // Italian Journal of Food Science, 15 (2003), 1; 105-113 (međunarodna recenzija, članak, znanstveni)
Kovačević, D., Kurtanjek, Ž. & Šubarić, D. (2003) Effect of Polydextrose and NaCl on the Initial Freezing Point of Chicken, Egg and Surimi. Italian Journal of Food Science, 15 (1), 105-113.
@article{article, year = {2003}, pages = {105-113}, keywords = {Chicken, Egg, Initial freezing point, NaCl, Polydextrose, Surimi}, journal = {Italian Journal of Food Science}, volume = {15}, number = {1}, issn = {1120-1770}, title = {Effect of Polydextrose and NaCl on the Initial Freezing Point of chicken, egg and surimi}, keyword = {Chicken, Egg, Initial freezing point, NaCl, Polydextrose, Surimi} }

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


Uključenost u ostale bibliografske baze podataka:


  • Chemical Abstracts
  • SCIex