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罐头食品在生产过程中,由于进行了排气、密闭和灭菌处理,既灭治了食品原料中自身的酶,罐内氧气很少,微生物被杀灭,外环境中的微生物和氧气又不能再进入,所以罐头食品抗腐败耐久藏。但罐头食品并不是绝对无菌的,且失去生物力的动植物组织总是在分解过程中,所以罐头食品只是延缓了食品分解的过程,罐头食品
Canned food in the production process, as a result of the exhaust, airtight and sterilization, not only eliminate their own enzymes in food raw materials, very little tank oxygen, microorganisms are killed, the external environment of microorganisms and oxygen can not Re-enter, so canned food anti-corruption durable possession. However, canned food is not absolutely sterile, and the loss of biological force of animal and plant tissue is always in the process of decomposition, so canned food is only delayed food decomposition process, canned food