DETERMINATION OF THAWING TIMES OF LEAN BONELESS BEEF FROZEN AT VARIOUS TEMPERATURES AND THE COMPARISON OF EXPERIMENTAL RESULTS WITH MATHEMATICAL MODELS

Authors : Yahya TÜLEK, Hüsnü Yusuf GÖKALP, Şahin GÜLLAPOĞLU, Hasan YETİM

Pages : 106-118

View : 42 | Download : 9

Publication Date : 2011-01-03

Article Type : Research Paper

Abstract :İn this experiment, lean boneless beef samples in different  thickness (20, 30 and 40 mm) were frozen at -18, -20, -22 and -24 °C until their  internal temperature reached -12 XI and then they were thawed at 10 or 22 %' in order  to determine their thawing times of the samples were compared to the mathematical prediction equations of thawing times vnhich have been proposed by some  researchers, to determine the best mathematical prediction model for these  experimental conditions. The results of this research indicated that freezing  temperatures showed no effects on thawing times. With the 40 mm thick samples,  the mathematical prediction equation of thawing times, suggested by Cleland and  Earle (1982) and Cleland et al. (1986 a) showed good agreement with the  experimental data at both thawing temperatures, while Pham's (1986) mathematical  prediction model were in reasonable agreement with the experimental data of 20 mm  thick samples.
Keywords : Lean beef, thawing time, thawing time estimation

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