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picture1_Preservation Of Fruits And Vegetables Unido


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File: Preservation Of Fruits And Vegetables Unido
27 preservation of fruits and vegetables by drying i purposes of drying drying in general usually means removal of relatively small amounts of water from material the purpose of drying ...

icon picture PDF Filetype PDF | Posted on 16 Sep 2022 | 4 years ago
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...Preservation of fruits and vegetables by drying i purposes in general usually means removal relatively small amounts water from material the purpose food products is to allow longer periods storage with minimised packaging requirements reduced shipping weights evaporation refers large removed as vapour at its boiling point a air processes can also be categorised according physical conditions used add heat remove first category added direct contact heated atmospheric pressure formed vacuum proceeds more rapidly low pressures indirectly metal wall or radiation temperatures under for certain materials that may discolour decompose higher freeze sublimed frozen quality product cost are greatly influenced operation judged amount biochemical degradation occurring during dehydration process time temperature activity influence final generally have positive on but require processing times retards eliminates growth micro organisms results lipid oxidation rates maillard non enzymatic browning reac...

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