Influence of Post-Harvest Circulatory Rinse on Tenderness and Objective Color of Cow Striploin Steaks

Hite, Lydia M.; Grubbs, J. K.; Blair, A. D.; Underwood, K. R.

doi:10.22175/mmb2019.0095

Cited by 1 publication

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“…Several recent studies have also reported improvement in tenderness as a result of RCT processing. Based on a reduction in mechanical shear, tenderness was improved by 50% in lamb chops [ 1 ], 20% in cow striploin steaks [ 13 ], 24% in bison steaks [ 4 ], 56% in steaks from light dairy cows [ 2 ], and 58% in steaks from lean dairy cows [ 2 ].…”

Section: How Rinse and Chill ® Technology Work: Ma...mentioning

confidence: 99%

Vascular rinsing and chilling carcasses improves meat quality and food safety: a review

Hwang¹,

Claus²,

Jeong³

et al. 2022

J Anim Sci Technol

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Rinse & Chill ® technology (RCT) entails rinsing the vasculature using a chilled isotonic solution (3°C; 98.5% water and a blend of dextrose, maltose, and sodium phosphates) to rinse out the residual blood from the carcass. Infusion of pre-chilled solutions into intact animal carcasses immediately upon exsanguination is advantageous in terms of lowering the internal muscle temperature and accelerating chilling. This technology is primarily used for purposes of effective blood removal, favorable pH decline, and efficient carcass chilling, all of which improve meat quality and safety. Although RCT solution contains some substrates, the pre-rigor muscle is still physiologically active at the time of early postmortem and vascular rinsing. Consequently, these substrates are fully metabolized by the muscle, leaving no detectable residues in meat. The technology has been commercially approved and in continuous use since 2000 in the United States and since 1997 in Australia. As of January 2022, 23 plants have implemented RCT among the 5 countries (Australia, US, Canada, New Zealand, and Japan) that have evaluated and approved RCT. All plants are operating under sound Sanitation Standard Operation Procedures (SSOP) and a sound Hazard Analysis Critical Control Point (HACCP) program. No food safety issues have been reported associated with the use of this technology. RCT has been adapted by the meat industry to improve product safety and meat quality while improving economic performance. Therefore, this review summarizes highlights of how RCT technically works on a variety of animal types (beef, bison, pork, and lamb).

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