Vacuum sealed hamburger meat that is frozen can last 2 to 3 months. When it is thawed, it shouldn't be kept in the refrigerator more than a couple days.
Up to a year
Vacuum-sealed meats can last for up to a year, but the flavor gradually fades after the six-month mark. While the meat will still be edible a year or more later, it won't taste all that great.
Vacuum sealers are devices which remove air from food items, thus increasing their lifespan. How much longer food will last with a vacuum sealer depends on the type of food sealed. Fresh meat may last 2-3 years vacuum sealed, while ground beef may last up to a year. By contrast, vacuum sealed cheese will only last about 6 months. Breads, on the other hand, may last only 6 weeks vacuum sealed.
No. Vacuum seals keep out air, so the bacteria cannot grow.
They usually keep it frozen.
1 month max.
you can keep beef up to a year in the freezer
You can store any frozen food for 6 months unless it it not packaged properly and it gets freezer burn.
No vegitable need to breath unless they are frozen
You can keep lettuce vacuum-sealed in the freezer because you will break the cellular structure that makes it crispy. But you can freeze tomatoes and use it for tomato sauce later.
Stainless steel with a hollow air core vacuum sealed is the best. Stanley is one of the best.
Generally you can freeze any meat that hasn't been previously frozen (freezing twice destroys the cell structure resulting in pour texture and flavor.) Vacuum packing simple removes any air from inside the package, which generally allows meat to keep for longer. If you plan to freeze meat, it is best to leave it in the vacuum pack, but not necessary. Re-wrap meat in a freezer bag and remove as much air as possible before sealing.
A side of beef will last up to a year while frozen. You do need plenty of freezer space for this amount of beef. Beef or any other meat can keep for a long time in a cold storage, but if it is for a long to do expect the qualilty of taste to be less than fresh meat.