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  • Sous-vided Restructured Goa...
    Tangwatcharin, Pussadee; Sorapukdee, Supaluk; Kongsrirat, Kamonthip

    Food science of animal resources, 12/2019, Volume: 39, Issue: 6
    Journal Article

    The thermal-death times of were determined in inoculated restructured goat steak at 60°C, 65°C, and 70°C of sous-vide temperatures. D-values of in inoculated restructured goat steak ranged from 7.27 min at 60°C to 0.46 min at 70°C. Times need to yield at least a 6 log reduction of at their temperatures for this product were 47, 12, and 3 min, respectively. After sous-vide, all microbial counts in non-inoculated samples were not detectable, except the aerobic and anaerobic mesophilie and lactic acid bacteria counts were lower than 2 Log CFU/g. For sous-vided and grilled sous-vided samples, sous-vide loss and surface shrinkage were the lowest in samples sous-vided at 60°C for 47 min (p<0.05). These samples demonstrated the lowest CIE L*, shear force, hardness, gumminess and chewiness and the highest CIE a* and hue angle (p<0.05). Therefore, sous-vide at 60°C for 47 min provided convenient ready-to-cook restructured goat steak for microbiology safety and optimization of physicochemical quality.