FAQs

What is the specific production process for meat products? What are the critical control points that must not be missed?

When using hydrocolloids, the meat products process determines success; temperature and time are vital.

The complete process is: Brine/Pickle Preparation → Injection/Tumbling → Stuffing → Thermal Processing/Gelation → Rapid Cooling → Chilled Aging.

Among these, the three absolutely critical control points are:

1. CCP1: Brine/Pickle Preparation – Must achieve "complete dissolution"

   • Operation: Must use high-speed shear equipment (≥3000 rpm) with ice water (0-4°C). First, fully disperse the gums and KCl powder, then slowly heat to 60-70°C with continuous stirring to ensure a homogeneous, transparent solution. Any undissolved gum particles will become "defects" in the final product.

2. CCP2: Tumbling Process – Must be "Low Temperature"

   • Standard: Meat batter temperature must remain ≤6°C throughout.

   • Reason: High temperatures cause premature denaturation of myofibrillar proteins, negatively affecting subsequent gel formation and water retention. Intermittent tumbling (e.g., 20 min on, 10 min off) with auxiliary cooling (e.g., using ice) is essential.

3. CCP3: Thermal Processing & Cooling – Master the "Two-Stage Method"

   • Stage 1: Low-Temperature Gelation. Process in a 78-80°C environment (steam/water) until the product core temperature reaches 70-72°C and hold for a defined time. This is the golden window for the carrageenan-K⁺ gel network formation. Temperatures too high or too low will impair gel strength.

   • Stage 2: Rapid Cooling. Immediately after gelation, the product core temperature must be rapidly reduced below 20°C within 20 minutes. Slow cooling leads to a weak gel structure and severe purge (water separation). Cold-water showering or blast chilling is recommended.