罐头是采用“罐藏法”而制成的现代化食品。“罐藏法”是一种良好的保存食品的方法,可以使易腐败的农副产品经过清洗、整理、装罐排气、密封、加热杀菌等处理,达到长期保存之目的,从而使罐头食品不仅具有易于保存、携带方便,而且可以调剂产品淡旺季节延长市场供应的特点。 Canned food is a modern food made using the “canning method”. The “pot storage method” is a good method for preserving foods. It can be used for cleaning, finishing, canning, venting, sealing, heat sterilization, etc. of perishable agricultural and sideline products, so as to achieve the purpose of long-term preservation, so that canned foods are not only It is easy to store, easy to carry, and can adjust the characteristics of the product prosperous season to extend the market supply.