Food science

Aseptic processing is the process by which a sterile (aseptic) product (typically food or pharmaceutical) is packaged in a sterile container in a way that maintains sterility. Drink boxes Aseptic processing of sweet potato puree and filling sterile plastic bag Sterility is achieved with a flash-heating process (temperature between 195 and 295 °F (91 to 146 °C)), which retains more nutrients and uses less energy than conventional sterilization techniques such as a retort or hot-fill canning. Pharmaceutical Sterile processing includes use of clean rooms, bacteria retaining filters, dry or steam heat.