BharathiGanesh8
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22 slides
May 17, 2020
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About This Presentation
Food processing Techniques# Importance of food processing#History of processing# Basic knowledge of processing
Size: 6.63 MB
Language: en
Added: May 17, 2020
Slides: 22 pages
Slide Content
Food processing Ms..G.Bharathi Assistant Professor Department of food and dairy technology, Mannar thirumalai naicker college,
Introduction Food items are being processed for various reasons . Since times immemorial, grains have been dried after harvest to increase their Shelf life. Initially, foods were processed primarily to improved, palatability and digestibility to ensure a continuous supply
What is the need? *Food processing any of variety of operations by which raw foodsuffs are made suitable for consumption, cooking, or storage
Definition Food Processing: It is the set of methods and techniques used to transform raw ingredients into finished and semi-finished products. Food processing requires good quality raw materials from either plant and/or animal source to be converted into attractive, marketable and often long shelf-life food products.
Principle of food processing 1.Reduce water activity 2.Controll the chemical reactions 3.Adjust the PH 4. Prevent from Lights 5.Product from microbes 6.Avoid cross contamination 7.Provide proper packaging 8.Ensure shelf life and quality..
History of food processing *Development of the canning process by Nicolas Appert – 1810 *Louis Pasteur’s research on spoilage of wine - -1864 *instant soup mixes and ready-to-cook items including meals were developed – 20 th century *provided a vast variety of safe and convenient foods – 21 th century
Basic requirements of food processing unit There is vast needed for processing unit: 1)Procurements 2)Segregation 3)Sanitary control 4)Processing area 5) Packaging area 6)Chilling or refrigeration unit etc.,
Importance of Food Processing and Preservation branch of manufacturing wherein raw materials are transformed into intermediate foodstuffs or edible products food materials into more useful, concentrated, shelf-stable and palatable foods or potable beverages
Methods of food processing A .Physical treatment B.Chemical treatment