They help to extend the shelf life of fresh food products - usually of fruits, vegetables, meat and meat products, and seafood. Do you know the steps needed to produce frozen peas? Check them out here! Modified atmosphere packagingĪir inside a package is substituted by a protective gas mix, often including oxygen, carbon dioxide and nitrogen – gases that are also present in the air we breathe. The process can be used to preserve the majority of foods including fruits, vegetables, meat, fish, and ready meals. Freezingįood temperatures are reduced to below 0☌ to decrease the activity of harmful bacteria. Fermentation is notably used in the production of alcoholic beverages such as wine, beer, and cider, and in the preservation of foods such as sauerkraut, dry sausages, and yoghurt, but also for raising dough in bread production. This means, no oxygen is needed for the process to take place (apart from oxygen present in sugar). The breakdown of sugars by bacteria, yeasts or other microorganisms under anaerobic conditions. Check our infographic showing the processing steps for canned tomatoes.
Then, the food is packaged and stored in an air-tight can. The food is heated to a high temperature. Some of the common methods are described below: Canning 3, 4 What are the methods of food processing?įood processing includes traditional (heat treatment, fermentation, pickling, smoking, drying, curing) and modern methods (pasteurisation, ultra-heat treatment, high pressure processing, or modified atmosphere packaging). 2 Food processing also includes adding ingredients to food, for example to extend shelf life. 1 This can involve one or a combination of various processes including washing, chopping, pasteurising, freezing, fermenting, packaging, cooking and many more.
What is food processing?įood processing is any method used to turn fresh foods into food products. This Q&A summarises the topics explored in the study. In a consumer study carried out by EUFIC, we investigated the understanding of processed foods among participants from the UK. Processed food: what is the purpose of food processing? Last Updated : 20 March 2017
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