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I am single. When I buy strawberries or blueberries they don't always last until I get to eat them. Would they last longer kept in water? (in Tupperware)

I know strawberries can be frozen in syrup. I don't want to do that. I sometimes make muffins with half the blueberries just so I can eat them all.

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    How long do you think they should last? – TFD Jul 11 '15 at 23:54
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No, they won't last longer in water. Fruit freezes very well without the need for syrup, and can be defrosted quickly simply by running cold water over it. If you're baking with it, you can just bake with fruit still frozen.

  • Thank you for the advice. I will try freezing some of the berries after I purchase them next time. – Junco Jul 13 '15 at 18:52
  • I did try freezing some strawberries straight from the store container. I used a small zip-lock sandwich bag. A few days later, the berries tasted good after thawing. The only downside is that they were a bit soggy after thawing in the fridge. But, they were tasty. I'll bet it has something to do with the ice crystals growing and damaging the structure of the fruit. I think that is why cryogenics does not work with humans. But, that is getting off-subject. Thanks, again, for the good answer. – Junco Jul 21 '15 at 18:23
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As Elendil says, for long storage, you can just freeze as-is, in a plastic bag or other container.

As for refrigeration, there are all sorts of guidelines for various fruits, and other questions here have covered storage recommendations for specific types of fruit.

You specifically ask about strawberries and blueberries. Never put fresh berries in water, and don't even wash them until you are ready to eat them or use them (assuming you want them to last longer).

For reputable information on strawberries, see here:

The optimum storage temperature for strawberries in the home is 32° to 36°F (0° to 2°C). The optimum humidity for storage of berries to prevent water loss and shriveling is 90 to 95 percent. Store the fruit in the crisper drawer of your refrigerator. Keep strawberries packaged in closed plastic clamshell containers or place fruit in a partially opened plastic bag to maintain high humidity. Do not wash berries until just before eating or preserving. Washing will add moisture and will cause the berries to spoil more rapidly. Strawberries can only be stored for up to 7 days under optimum conditions, and that shelf life also depends on how ripe the fruit was when purchased or picked.

The same general recommendations apply to blueberries: keep your fridge cold (just above freezing), keep humidity high by storing in crisper drawer and in containers, don't wash until ready to use. Blueberries which are picked and cooled properly should last at least a week in the fridge, perhaps even a couple weeks if you buy them relatively freshly picked.

In general, keep the berries cold as much as possible, keep them dry, and store in high humidity. Check on a regular basis and remove any berries showing signs of rot or mold.

There are various myths about keeping berries at room temperature until they are cleaned or washed, or washing fruits in vinegar to preserve them, or whatever -- don't believe them: no scientific tests have shown them to work. Just keep the fruit cold and the humidity high by keeping them in their containers (though not in a completely sealed container: that will also cause faster rot, which is why the little holes exist in the plastic supermarket containers).

  • Thank you for all the information. I will try freezing some berries the next time I buy some. I learned not to wash them before putting them in the fridge. I only wash some when I need some. I once had to throw out some rinsed fruit because it got moldy fast even. I thought I had dried it thoroughly. I won't do that again. – Junco Jul 13 '15 at 18:52
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I've had really good luck with these Rubbermaid produce containers. I was skeptical but decided to try them. I've had blueberries and strawberries keep for over 3 weeks and raspberries keep for over 2. There's a tray with drain holes that sits in the bottom that elevates the produce and lets moisture/water drain through. Your berries don't sit in their own water then. There's also tiny little vent holes in the lids. They work as far as I can tell, though I've done no scientific tests.

http://www.amazon.com/gp/product/B0012DS4GG

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