1 Requirements for food packaging materials: 1) should have protection for the packaged food; 2) must have suitable processing characteristics; 3) should have sufficient hygiene and safety; 4) packaging materials or packaging made of materials The container should be convenient; 5) low in price, easy to produce, transport and store;
2 food packaging materials classification:
1) According to the barrier properties of packaging materials: (1) moisture-proof (tidal) packaging; (2) gas barrier packaging; (3) light-proof packaging.
2) According to the state of the packaged food: (1) liquid packaging; (2) solid packaging.
3) Classification by food nature: (1) fresh food packaging; (2) heat sterilization food packaging; (3) frozen food packaging; (4) dry food packaging; (5) microwave or irradiated food packaging.
4) Process characteristics and requirements for food packaging operations: (1) vacuum packaging; (2) air-filled packaging; (3) pneumatic packaging; (4) aseptic packaging; (5) shrink packaging.
留言列表
