很多人觉得，食品抽了真空，就不会坏了，那么，塑料包装袋抽了真空，就真的能保证食品不会坏吗？当然不是的，只能说在相同条件下，抽了真空和不抽真空的塑料包装袋相比，真空塑料包装袋对食物的保质期有一定的延长作用，但抽真空与否却不是能否延长保质期唯一的因素，延程包装贴心提醒，并不是买了真空塑料袋就万事大吉，真空包装袋操作过程中的诸多细节影响食品真空包装的效果：
1、真空包装食品之前，要对作业环境以及食品进行消毒杀菌，如果食品在生产和包装过程中，没有进行消毒杀菌，或者生产环境不干净卫生，那么，产品本身就已经被污染了，即使再怎么抽真空，也无法保证产品的保质期，即使看起是真空包装食品，也一样会很快腐败变质，并不能延长食品保质期，真空包装食品的有效期和杀菌级别关系密切。
2、真空包装过的包装袋的杀菌方式也很重要，在加热杀菌处理的时候，应该严格的控制好杀菌温度以及杀菌的时间。
3、避免因为温度过高造成包装袋内部压力过高，导致包装袋封口分离、破裂。
4、根据己产品的不同，选择合适的压力抽真空，但真空包装的包装袋必须完全抽气，特别是对生鲜肉类和没有定形的食品真空包装，不能残留气体，防止残留下的气体导致真空包装袋内的食品腐败变质。
5、在电商运输过程当中，尽量使用保温效果号的包装箱及填充物，泡沫箱，保温棉袋，冰袋，搭配使用。任何生的家禽类肉最佳食用在六个月以内（越近越新鲜），鱼类最好不要超过三个月。
冰箱冷藏并不能阻止细菌的滋生繁殖！只是在低温和空气接触面小的情况下，可以减少细菌滋生，放缓变质的速度、熟的肉制品在真空的情况下，在理想的环境中理论上可以保存十天左右。
熟的肉类建议大家不要超过十五天到三十天！所以，还是尽快食用得好。
A lot of people think that food will not go bad if it is vacuum-pumped, so can plastic packaging really guarantee that food will not go bad if it is vacuum-pumped? Of course not, can only say that under the same conditions, vacuumized and non-vacuumized plastic bags, vacuum plastic bags have a certain extension of the shelf life of food, but vacuumized or not is not the only factor to extend the shelf life, the extension of packaging intimate reminder, not to buy vacuum plastic bags, everything is fine. Many details in the operation of vacuum packaging bag affect the effect of food vacuum packaging:
1. Before vacuum packaging food, the operating environment and food should be disinfected and sterilized. If the food is not disinfected and sterilized in the process of production and packaging, or the production environment is not clean and sanitary, then the product itself has been contaminated. Also, it will deteriorate quickly and cannot extend the shelf life of food. The expiration date of vacuum packaged food is closely related to the level of sterilization.
2. The sterilization method of vacuum packed packaging bags is also very important. When heating sterilization treatment, the sterilization temperature and the sterilization time should be strictly controlled.
3. Avoid the high pressure inside the packaging bag caused by the high temperature, resulting in the separation and rupture of the packaging bag seal.
4, according to the different products, choose the appropriate pressure to vacuum, but the vacuum packaging bag must be completely pumped, especially for fresh meat and formless food vacuum packaging, no residual gas, to prevent the residual gas to lead to the deterioration of the food in the vacuum packaging bag.
5. In the process of e-commerce transportation, try to use packing boxes and fillers with insulation effect number, foam boxes, thermal insulation cotton bags and ice bags together. Any raw poultry meat is best eaten less than six months old (the fresher the closer), and fish is best eaten no older than three months.
Refrigeration does not stop bacteria from growing and multiplying! Only in the case of low temperature and small air contact surface, can reduce the growth of bacteria, slow down the rate of deterioration, cooked meat products in vacuum under the condition of ideal environment can be stored in theory for about ten days.
Cooked meat is recommended for no more than 15 to 30 days! So, it's better to eat as soon as possible.
