How does the application of aseptic processing techniques create shelf-stable food products?

Aseptic processing creates shelf-stable food products by separately sterilizing the food product and the packaging material, then combining them under sterile conditions. This contrasts with traditional canning, where the food is packaged first, then sterilized inside the can. In aseptic processing, the food is typically heated rapidly to a high temperature (e.g., using ultra-high temperature, or UHT, processing) to kill microorganisms and then quickly cooled. The packaging material, such as cartons, pouches, or b....