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Vpliv transglutaminaz na teksturne lastnosti mesnih emulzij
ID Gregorčič, Tina (Author), ID Polak, Tomaž (Mentor) More about this mentor... This link opens in a new window

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Abstract
Namen magistrskega dela je bil spremljati vpliv dodatka transglutaminaz na teksturne lastnosti mesnih emulzij. Vzorcem mesnih emulzij smo del mesa nadomestili s škrobno frakcijo rumenega fižola (fižol mungo) in dodali različne deleže transglutaminaze (0,250 g/kg, 0,375 g/kg in 0,500 g/kg) ter jih na ta način poskušali približati primerljivim komercialnim izdelkom (barjene klobase). Pripravljene emulzije smo nato inkubirali pri različnih časih in temperaturah (brez inkubacije, 4 h pri sobni temperaturi, 4 h pri 5 °C in 24 h pri 5 °C). Poskus smo izvedli v treh sklopih, v vsakem smo uporabili drugačno recepturo. V prvem sklopu smo polovici vzorcev dodali škrobno frakcijo rumenega fižola, drugi polovici pa škrobno frakcijo rumenega fižola z zaklejenim škrobom. Vsi vzorci v prvem sklopu so vsebovali tudi fosfatni preparat. V drugem sklopu so vsi vzorci vsebovali škrobno frakcijo rumenega fižola z zaklejenim škrobom, vendar brez fosfatnega preparata. V tretjem sklopu smo izvedli optimizacijo ter pripravili vzorce emulzij brez dodanih aditivov. Vzorci z dodatkom škrobne frakcije z zaklejenim škrobom in fosfatnim preparatom so bili po teksturnih parametrih najbolj primerljivi s komercialnimi izdelki.

Language:Slovenian
Keywords:mesne emulzije, transglutaminaza, fižol mungo, teksturne lastnosti, barva, stabilnost mesnih emulzij, aditivi
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:BF - Biotechnical Faculty
Publisher:[T. Gregorčič]
Year:2024
PID:20.500.12556/RUL-154872 This link opens in a new window
UDC:543.645.4:637.52:664.9.022
COBISS.SI-ID:189306115 This link opens in a new window
Publication date in RUL:07.03.2024
Views:621
Downloads:48
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Secondary language

Language:English
Title:Effect of transglutaminase on textural properties of meat emulsions
Abstract:
The aim of this study was to monitor the effect of the addition of transglutaminase on the textural properties of meat emulsion samples. A portion of the meat was removed from the samples and replaced by the starch fraction of yellow mung beans and different proportions of transglutaminase were added (0.250 g/kg, 0.375 g/kg and 0.500 g/kg). In this way we tried to imitate comparable commercial products. The samples were then incubated at different times and temperatures (no incubation, 4 h at room temperature, 4 h at 5 °C and 24 h at 5 °C). The samples were prepared in three sections and a different recipe was used in each section. In the first section, a starch fraction of yellow mung beans was added to half of the samples and a starch fraction of yellow mung beans with gelatinised starch was added to half of the samples. All samples in the first section contained phosphate. In the second section, all samples contained the starch fraction of the yellow mung beans with gelatinised starch and phosphate was taken from the recipe. The third section represented an optimisation and samples without added additives were prepared. In relation to the textural parameters, the samples with the addition of the starch fraction with gelatinised starch and phosphate achieved the most comparable values to commercial products.

Keywords:meat emulsion, transglutaminase, mung bean, texture, colour, stabilitiy of meat emulsions, additives

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