What You Need to Know
By maintaining a cold‑chain at ≤4 °C, microbial growth rates are reduced by ~90 %, extending shelf life of fresh produce and meat by 30‑50 %. Modified‑atmosphere packaging (MAP) with 30 % O₂/70 % N₂ delays oxidative rancidity, while rapid cooling of cooked foods to ≤5 °C within 2 h prevents Bacillus cereus spore germination and toxin formation. Real‑time temperature monitoring identifies cold‑chain breaks, enabling corrective actions that prevent up to 25 % of temperature‑related loss.
The Science
Primary Reaction
Microbial inactivation and oxidation inhibition