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KMID : 1024620210410020214
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Food Science of Animal Resources
2021 Volume.41 No. 2 p.214 ~ p.223
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Comparison of Quality Characteristics and Palatability between Sous-Vide Cooked Pork Loin Patties with Different Searing Treatments
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Cho Dong-Kook
Lee Bo-In
Kim Song-Ki
O Hyeon-Bin
Kim Young-Soon
Choi Young-Min
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Abstract
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This study compared the quality, cooking, textural, and palatability characteristics between sous-vide (SV) cooked pork loin patties with different searing treatments (ST). Before SV cooking, STs were conducted on each side of the pork loin patties for 0 (control) to 120 s (ST120), and all patties were then cooked using an SV cooker at 75℃ for 120 min. Noticeable differences were observed in quality properties between the groups. The seared SV loin patties exhibited lower lightness and higher browning index values compared to the unseared SV loin patties (p<0.001). Cooking loss gradually increased with increasing ST times, and the control group had a lower percentage compared to the ST60 group (19.5 vs. 25.7%, p<0.001). Changes in cooking properties were associated with the extent of ST, and the ST groups exhibited a higher hardness value compared to the control group (p<0.001). Regarding palatability, loin patties from the control group scored lower in appearance acceptability compared to patties from the ST groups (p<0.05) due to extent of browning on the surface. Moreover, the ST groups did exhibit a higher flavor intensity compared to the control group, but no differences were observed in tenderness and juiciness scores between the control and ST60 groups. Due to these results, the ST60 group exhibited a greater score in overall acceptability compared to the other groups except for the ST90 group. Therefore, an additional ST before SV cooking can achieve a more appealing appearance and palatability as well as to enhance the availability of pork loin.
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KEYWORD
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sous-vide cooking, searing treatment, quality characteristics, sensory quality, pork loin
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