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Given that many ingredients in salad will go bad after several days, how can you store leftover salad so it is not wasted? Many vegetables such as beans lose their freshness after opening the can/package.

For vegetables, one is too much already no matter if it is a whole lettuce or the prepackage stuff, and I can only consume 1/3 a can of beans each time and I might not want to eat salad everyday ( even once a day ).

Will it help if I put the remaining beans in a sealed bottle? What about the vegetables? will they last for 2 weeks?

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possible duplicate of Making Subway-like salads at home w/ zero work –  TFD Oct 9 '12 at 7:06
    
Exactly what kind of salad are you going for here? Pasta salad, bean salad, lettuce salad....? –  lemontwist Oct 9 '12 at 12:22
    
Beans can be frozen, and will keep for months that way. Portion them out before freezing, of course, because its too late once they're frozen. Vegetables (for salad), unfortunately can't be frozen. –  derobert Oct 9 '12 at 15:49
    
@lemontwist lettuce salad, possibly with some salad beans in it. –  lamwaiman1988 Oct 10 '12 at 8:51
    
@derobert By frozen do you mean to put it into the coldest partition? –  lamwaiman1988 Oct 10 '12 at 8:53
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1 Answer 1

I myself love to eat salads, but can't ever seem to store them for more than a week. For me, I only buy salad when I want to eat it. However, there are some tricks for getting more miles out of your garden treats. Here are two:

Remove as much air as possible from your storage container This is kind of a no-brainier, but I have had people in my household set an open plate of salad in the refrigerator, and wonder why it spoiled over night. Air and moisture are the enemy and make sure to protect your goods. You have probably seen on commercials special bags or containers that claim to remove air and keep vegetables fresh. Be wary of these products, I have tried some and usually don't get the features promised.

Don't cut salad with a metal knife Perhaps a lesser know fact about lettuce is that cutting it with certain metals accelerates the oxidation process. This simply means that your lettuce will turn brown faster if you cut it. Try using a ceramic knife or rip your greens when preparing to slow down on browning.

To answer your questions about storing. I would recommend not keeping your greens for more that a week, and store them in within the designated bin marked in your refrigerator. This bin is designed to remove moisture and keep your veggies fresher longer.

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Moisture is not the enemy, and the crisper drawer does not remove moisture. It maintains a higher humidity, by partially isolating the contents from the rest of the refrigerator. Leafy greens easily dry out, which is what leads to wilting and spoilage (especially when left open to the fridge); this is why sometimes a damp (but not wet) paper towel helps keep things fresh. –  Jefromi Oct 9 '12 at 20:53
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With respect to cutting lettuce, it doesn't make a difference unless you're doing it before storing it long-term. See cooking.stackexchange.com/a/24305/1672 –  Jefromi Oct 9 '12 at 20:55
    
@Jefromi - I would agree that this practice of keeping things moist is a good idea for the grocer when you buy it off the shelf, but the times my salads have gone bad have been because of excess moisture. And the question had to do with long term storage. Cutting lettuce with a knife that you intend to store for more than a few days should not be done (IMO). –  Jake Robinson Oct 11 '12 at 15:41
    
Once again, too much moisture is definitely a problem - this can happen if you put it in a sealed bag, or if you wash it and don't let it dry sufficiently - but too little moisture is most definitely also a problem. Moist like you see at a grocery store (visible water) is too much. More humid than the rest of the fridge is good. The humidity really is higher in a crisper drawer, and it's for exactly this purpose. Lettuce really will wilt if it's too dry (and this is probably what you've seen happen with an open plate in the middle of the fridge). I'm not making this up. –  Jefromi Oct 11 '12 at 16:41
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