What are the precautions for purchasing cold meat vacuum packaging machine?
Title: What are the precautions for purchasing chilled meat vacuum packaging machines? Cold meat is a kind of meat, also known as sour pork. After a series of processing, chilled meat can not only ensure the quality of the meat Freshness, and can prolong its shelf life, this is largely due to the credit of the cold fresh meat modified atmosphere vacuum packaging machine, what aspects should we pay attention to in the purchase of cold fresh meat modified atmosphere vacuum packaging machine? Let's talk about the topic in detail. 1. Gas mixing accuracy The reason why the chilled fresh meat controlled atmosphere vacuum packaging machine can lock the freshness of the meat depends on the addition of the mixed gas. At present, the two gases of carbon dioxide and oxygen are generally used for the mixing of cold fresh meat. Oxygen can prevent some fungi from multiplying when fresh meat is stored, making the meat bright red in a short period of time, which is easily accepted by consumers. Carbon dioxide can prolong the lag phase of bacterial growth and reduce the speed of its logarithmic growth phase. Carbon dioxide dissolves in the meat, lowering the pH of the meat and preventing certain acid-intolerant microorganisms. These two gases need to be mixed together and filled into the fresh-locking box. If the mixing accuracy of the gases does not meet the requirements, the shelf life will be reduced. Therefore, attention should be paid to the mixing of gases when purchasing a modified atmosphere vacuum packaging machine for chilled fresh meat. The higher the accuracy, the better. 2. The tightness of the packaging box After packaging the chilled meat, it needs to go through a series of transportation links when it reaches consumers. In addition to meeting certain temperature standards in this transportation link, another key point is the packaging box. Airtightness, if there is air leakage in the box, it will directly affect the freshness of the meat, so we need to pay attention to whether the packaging box has achieved a good sealing effect when purchasing the cold fresh meat air-conditioning vacuum packaging machine. You can go to the entity's factory to conduct relevant inspections and tests before making corresponding choices. 3. Selection of packaging consumables In the selection of cold fresh meat modified atmosphere vacuum packaging machine, the material of packaging consumables is also a key point that we need to pay attention to in our purchase. The consumables of cold fresh meat modified atmosphere packaging machine should be selected with good barrier properties. Packaging materials to prevent the occurrence of gas escape in the packaging box, and also to prevent the infiltration of oxygen in the atmosphere. As a modified atmosphere packaging for chilled fresh meat, it is required to have good barrier properties to both carbon dioxide and oxygen. Usually, composite packaging films with PET, PP, PA, PVDC, etc. as the base material are used. Regarding the purchase of chilled fresh meat air-conditioned vacuum packaging machine, a specific analysis was carried out today through three aspects. From the above analysis, it can be seen that the purchase of chilled fresh meat air-conditioned vacuum packaging machine needs to be done from all aspects. After comprehensive consideration, in addition to the equipment itself, packaging consumables are also required. Only when all items meet the standards can more satisfactory products be packaged.
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