Table 4. Summary of patented technologies for enhancing meat tenderness

Muscle/part name Characteristics Results Reference
M. longissimus Pre-rigor vertebral separation Improved tenderness by stretching muscle fibers Stouffer et al. (1969)
Beef Pre-rigor vertebral separation Mechanical device used for stretching muscle fibers Howard et al. (2001)
M. gluteus medius Pelvic suspension Shear force reduction by 20% Gardner et al. (2014)
M. biceps femoris Pelvic suspension Shear force reduction by 20% Gardner et al. (2014)
Kuckle muscle Pelvic suspension Shear force reduction by 19% Gardner et al. (2014)
Beef Aging after electrical stimulation treatment Aging period shortened by 91% Harsham and Deatherage (1951)
M. gluteus medius Combined treatment of pelvic suspension after electrical stimulation Shear force reduction by 33% Gardner et al. (2014)
M. biceps femoris Combined treatment of pelvic suspension after electrical stimulation Shear force reduction by 37% Gardner et al. (2014)
Kuckle muscle Combined treatment of pelvic suspension after electrical stimulation Shear force reduction by 34% Gardner et al. (2014)
Beef Starter culture with temperature and humidity-controlled aging Aging period shortened by 67% Williams (1957)
Chuck Flavor-enhancing microbial inoculation dry aging Shear force reduced by 24% Jo et al. (2020)
Fore shank Flavor-enhancing microbial inoculation dry aging Shear force reduced by 29% Jo et al. (2020)
Top around Flavor-enhancing microbial inoculation dry aging Shear force reduced by 25% Jo et al. (2020)
Brisket Flavor-enhancing microbial inoculation dry aging Shear force reduced by 29% Jo et al. (2020)
Sirloin Temperature and humidity-controlled dry aging Shear force reduced by 15% Jo et al. (2019)
Knuckle Temperature and humidity-controlled dry aging Shear force reduced by 30% Jo et al. (2019)
Brisket Temperature and humidity-controlled dry aging Shear force reduced by 16% Jo et al. (2019)
Sirloin Low-temperature and high-temperature combined drying and aging Taurine increased by 15% Yu (2013)
Sirloin High-temperature aging after thermal processing and electron beam irradiation Shear force reduced by 53% Nam and Jo (2015)
Striploin High-temperature aging after ultraviolet treatment Shear force reduced by 36% Byun and Kim (2020)
Beef High-pressure air and low-temperature combined wet aging Effective aging Jung et al. (2016)
Beef Wet aging combined with ultrasonic treatment Glutamic acid increased by 35% Kim (2020)
Beef Combined dry and wet aging Sensory evaluation preference increased by 13% Choi (2020)
Beef Enzyme injection through absorbent pad, combined wet and dry aging Sensory evaluation showed enhanced elastic texture Kim et al. (2022)