About five to ten days in normal refrigerator temperatures.
Store Brussels sprouts in a plastic bag in your refrigerator's crisper, where they'll keep for at least one week, if not a little longer. Sprouts still on the stalk will stay fresh longer than those sold individually. If you want to convert a Brussels sprouts hater, simply toss the sprouts with olive oil, salt, and pepper, and stick them in a 425°F oven for approximately 30 minutes. Alternatively, you can pan-fry sliced sprouts for crunch and texture. 1  Cook to Perfection. Brussels sprouts can be stored in the refrigerator for about 2 weeks. If you can accurately control your storage conditions, storing Brussels sprouts at 32°F (0°C) with a relative humidity of 95 to 100%, will allow you to keep them for up to 5 weeks. However, it should be noted that the longer Brussels sprouts are stored, the stronger their flavour become How to Select and Store Brussels Sprouts. Brussels sprouts are a member of the cabbage family. They grow on a long stalk, which can sometimes be the method of purchasing them. In this article, you'll learn how to select and store Brussels sprouts to ensure quality. Step 2. Wrap the Brussels sprouts in a plastic bag and place them in the crisper of your refrigerator. Do not wash them first. Brussels sprouts will keep for about five to ten days in normal refrigerator temperatures. However, if you can store Brussels sprouts like the professionals can--in 32 degrees F with a relative humidity of 95 to 100%--then they will store for up to five weeks. Freeze Brussels sprouts by first washing and then cooking them in boiling water for three to five minutes. Drain, cool and package in a freezer bag. Be sure as much air is removed as possible before sealing the bag. Store for up to a year. Fresh brussel sprouts should stay fresh in the refrigerator for up to two weeks. They can get a bit gassy, so it is best to store them in paper and leave some vent holes.  Hongqi Zhang/iStock/Getty Images. Sprouts, including bean sprouts, alfalfa sprouts and lentil sprouts, are newly sprouted seeds from grain or bean seeds. For the freshest sprouts, sprout your own, then store them in the refrigerator. If you've bought some, try to get them into the refrigerator as soon as you can. If you handle them properly, they should keep for a few weeks in the refrigerator. Seal the dry sprouts in an airtight plastic container or produce bag. Place the bag in the refrigerator. If your sprouts are still slightly damp, poke a few holes in the plastic bag to let them dry and place them in the refrigerator. Fresh brussel sprouts should stay fresh in the refrigerator for up to two weeks. They can get a bit gassy, so it is best to store them in paper and leave some vent holes. 20 people found this useful. Edit. 
http://www.epicurious.com/archive/seasonalcooking/fall/brussels-sprouts http://foodconstrued.com/2011/10/storing-brussels-sprouts/ http://www.wikihow.com/Select-and-Store-Brussels-Sprouts http://www.gardenguides.com/75147-store-brussels-sprouts.html http://www.answers.com/Q/How_long_do_brussel_sprouts_stay_fresh http://www.ehow.com/how_7685780_store-sprouts-refrigerator.html http://www.answers.com/Q/How_long_do_brussel_sprouts_keep
how long to keep brussel sprouts in fridge