| Abstrakt: |
This study evaluated the effect of ultrasound using papain and sodium bicarbonate (SC) on meat tenderness to achieve the desired texture for elderly individuals. Meats were immersed in distilled water (DW) or papain (PI), ultrasonically treated with papain (UPI), or ultrasonically treated with papain and SC (UPIS). Response surface methodology was used to optimize the processing conditions with the lowest hardness, and the optimal conditions were determined as follows: 400 U/mL papain, ultrasonic for 30 min, and 4% SC. Hardness, color, and myofibrillar fragmentation index (MFI) were investigated. The hardness followed the order of DW (22.50 N), PI (18.62 N), UPI (12.08 N), and UPIS (7.16 N), and UPIS showed the highest MFI. Papain and SC affected the color of the meat. Overall, ultrasound-assisted treatment using papain and SC resulted in hardness levels of less than 7.8 N, which can be easily compressed by low tongue pressure. [ABSTRACT FROM AUTHOR] |
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