This seminar studies on drying principle. Drying is a process in which a liquid into a solid or liquid semi solid and even into the final product in the form of ice by evaporation to remove fluids from the material with heat. Generally, the purpose of drying is to prolong the shelf life of products due to the drying process, reduce the humidity in the drying process used today is different, namely: drying with hot air. Drying by microwave Drying with infrared radiation The vacuum drying drying with hot air is very popular nowadays because of the cost to build dryers with lower prices in other ways, as well as a hot wind drying can also use heat sources for heating into the oven from a variety of sources, which is the product of energy easier to find sources. Study on the process of drying of food products, and the factors that affect the drying of food products.
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