You finally chose to clean your pantry and also guess what, there are number of unopened jams in there. Several of them are past the day on the label, and also you’re not fairly sure if you must discard them ideal away, or not. Does jam go bad?

Or probably there’s a half-open jam in the fridge, and you’re wondering just how long will certainly it last in there before it goes bag. You really wouldn’t like it to walk bad, however watching her sugar entry is important for you, so you eat just a little at a time. Exactly how long does an opened up jam last?

If you have any questions or doubts about storage, shelf life, or going poor of jams, this short article is for you. Review on.

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Image offered under an imaginative Commons indigenous Marco Verch

How to keep Jam

Storing jam is quite similar to save on computer mustard or ketchup. While lock taste nothing alike, the reason is that all of them contain quite a lot of natural preservatives. In the case of jams, that preservative is sugar.

You should store an unopened jar in a cool and dark place, far from sunlight and also sources the heat. Exposure come light and heat can degrade the jam quickly, i beg your pardon may influence its flavor, consistency, and appearance. The pantry or a room in the kitchen space the best choices. That’s true for both store-bought jams and also properly-canned homemade ones.

Once you open up the jar, it’s time to deliver the jam come the fridge. remember to constantly seal the jar tightly and put it earlier into refrigeration after scooping as lot as you need. This ensures the jam retains good quality for the longest and minimizes the chance of microbial air pollution that can make that spoil.

Like v other foods items that us scoop, remember come always use clean spoons and also never “double-dip.” In various other words, practice proper food hygiene. The modus operandi for both store-bought and also homemade jams is the same here as well.

Raspberry jam closeup

How long Do Jams Last

Let’s begin with one unopened jar of jam.

If it’s a store-bought variety, it commonly comes v a best-by date. That course, that day is just an approximation, and a jar v an untouched seal can last in great quality for lot longer.

Many providers tried the jam castle stored for over two decades and it to be still perfectly fine. For this reason while usually, the best-by date is within 12 come 24 month of the manufacturing date, friend can quickly assume the jam need to last years more.

For unopened homemade jams, the general consensus is that you can quickly store them for at the very least a year, if not more.

Of course, homemade jams usually don’t maintain taste and also store-bought ones, but that doesn’t average that after ~ 1.5 or 2 years the jam will certainly taste bland. So as long as the seal stays intact, it must be perfectly for sure (and tasty!) because that at least a couple of years more.

Gingerbread cake v jam and sprinkles
Now let’s talk around opened jams. Plenty of manufacturers normally suggest to eat your product within two weeks to a month. The course, that’s for finest quality only, and if you take good care that the jam, it should easily retain flavor for at least a few months.

When it comes to homemade jams, one month in the fridge is a pretty safe calculation of exactly how long will the product maintain flavor. Choose with store-bought jams, if your storage practices and good and proper, this fruity treat will absolutely keep for longer.

Jam (store-bought, unopened)Best-by + 1+ years
Jam (store-bought, opened)2+ months
Jam (homemade, unopened)1 year
Jam (homemade, opened)1+ months

Please keep in mind that the periods above are for bets quality. Properly stored jam should conveniently last month longer.

Adding jam come gingerbread cake

How to Tell if Jam Is Bad?

First, let’s talk around a adjust to jam that isn’t a authorize of that going bad.

Some jams naturally turn a darker shade over time, also when the seasoned is unopened. That’s particularly true because that jams without preservatives or those with less sugar. For this reason there’s no should worry around your light-colored diffusion darkening. That’s simply the nature the the beast. Slight taste change over time is also expected.

Now come the indications of a bad jam. Typical signs the jam spoilage include mold or yeast growth, or any kind of off odor. If the jam smells prefer yeast, alcohol, or anything fermented, remove it. Same thing if over there are any organic growth on the surface.

If whatever looks and also smells okay, feel free to offer it a taste. If anything appears off, litter it out. Otherwise, feel cost-free to reap it.

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Pancakes and raspberry jam

About The Author


Marcin Skrzypiec
Marcin is the man behind After writing more than 300 articles on food storage, shelf life, and spoilage, he"s learned a thing or 2 on the topic.