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Food packaging have any requirements for packing technology - understand food requirement for protection

Author:Food packaging supplier    Time:16/10/13    Click:

Food packaging have any requirements for packing technology - understand food requirement for protection

A, must understand the food requirement for protection
 
Different food chemical composition, physical and chemical properties, such as different, thus different foods have different protective requirements for food packaging.Cake, for example, is containing fat more, soft, has the certain optimum water content, so at the very least, should meet the following requirements: high oil resistance of oxygen (to prevent oil leakage and oil oxidation), high resistance to wet, prevent cake lose moisture dry harden).Again, such as, tea packaging should be high resistance oxygen (oxidation prevent effective ingredients), high resistance to wet be affected with damp be affected with damp gone mouldy (tea), high resistance optical function changes (tea the chlorophyll in the sun), high resistance aroma (tea aroma components easy to send out, lost their tea. In addition, the tea is also easy to absorb peculiar smell), quite a part of the market and the current tea is ordinary PE, PP transparent plastic bag, greatly wasted tea effective ingredients, tea quality not guaranteed.Contrary to the above food, fruits, vegetables, such as picking respiration after selection, which requires packaging differently to different gas transmittance.Fried beans also slow release carbon dioxide after packaging, for example, cheese also produces carbon dioxide after packaging, packaging so they should be high resistance of oxygen and carbon dioxide permeability.Fruit and vegetable packaging requirement is mouldproof, often because of bags inside the small droplets on biochemical use, can produce a series of adverse to fruits and vegetables in fruit and vegetable are easy Browning, perishable.Different varieties of fruits and vegetables and maturity of the same fruits and vegetables on the air permeability of packaging materials and selective requirements are also different.Raw meat, meat processing food, beverages, small food, baking food, such as the protection of the packing requirement also have very big difference.Canned meat, for example, paint should be sulfur, canned fruit coating should be resistance, inflatable beverage containers should be capable of a certain pressure, alcohol packaging container should be resistant to alcohol and fragrance block and so on.So, should according to the different nature of food and water with protective requirements of the scientific design of packaging.

Food packaging have any requirements for packing technology - understand food requirement for protection

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