pasteurization

Pasteurization in food preservation

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It is heat treatment that kills part but not all of the microorganisms present. It usually involves the application of temperatures below 1000C. The heating may be by means of steam, hot water, dry heat, or electric currents and the products are cooled promptly after the heat treatment. Pasteurization is used in following conditions: When … Read more

Sterilization by heat

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Sterilization means the freeing of an article from all living forms that includes viruses, bacteria and their spores, fungi and their spores, both pathogenic and non-pathogenic forms. There are four different methods of sterilization. They are a) Heat b) Filtration c) Irradiation d) Chemical disinfection. The most widely applicable and reliable method is sterilization by … Read more