Table 2. Effects of enzyme treatments on total collagen content and collagen solubility of samples of beef M. pectoralis profundus from the brisket cut of Holstein steers

Items Control Bromelain (50 ppm) Bromelain (50 ppm) + Papain (20 ppm) Ginger extract (5%) SE1) p-values
Total collagen (mg/g) 12.2 10.8 11.6 11.2 1.07 0.079
Collagen solubility (%) 4.7c 38.7a 29.6ab 10.3b 4.98 0.016