We all desire our refrigerated food to be for sure to eat. It is why us go v the refrigerator on a consistent basis and follow the rule, “When in doubt, toss it out.” yet unlike most foodstuffs we keep in the fridge, our smashville247.net probiotic fermented foodstuffs come ready-colonized by health-giving bacteria. So, what’s the story v these foods? just how long go sauerkraut or kimchi last, once the seasoned is opened?

How lengthy Does Sauerkraut Last?

Here’s some good news: sauerkraut and kimchi can last in the fridge for a month or two previous the expiration day that’s printed on the package—If you know what’s walk on and also what keeps these foodstuffs safe and tasty.

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Your smashville247.net sauerkraut or kimchi is fermented quite than salt cured. That means the vegetables were preserved submerged in a weak brine equipment of between 2 to 5 percent salt, depending upon which vegetables to be fermented. In ~ first, the vegetables brought into the fermentation vessel any type of microorganisms the were on their surfaces, consisting of spoilage organisms as well as beneficial Lactobacillus acidophilus and other acid-loving bacteria (often described as LAB—lactic mountain bacteria).

During fermentation, the LABs walk to occupational on the sugars and carbohydrates in the vegetables, transforming them right into lactic acid. Together the weak brine became more and much more acidic, the spoilage organisms were eliminated off. The vegetables arisen the lip-smacking sour spices that make ferments for this reason delicious. After ~ all, the word “sauerkraut” is German for “sour herb.” by the end of the early stage fermentation, the LABs calculation the vegetables tastier, more nutritious, perfectly for sure to eat, and probiotic, definition the bacteria that fermented the vegetables could now take up residence in your digestive system and continue to administer health benefits and also improved nutrition as they participate in your gut microbiome.

Incidentally, salt curing is done with a stronger brine—from 10 to 20 percent salt or more. That amount that salt will preserve the vegetables, but is also salty to allow the LABs come grow, therefore salt-cured foodstuffs are not fermented.

So, those this median for our question: how long walk sauerkraut or kimchi last once the jug is opened? and the prize is a couple of months or even an ext if three demands are met.


First, the vegetables must remain submerged a 1/2 customs or so beneath the brine in the jar. If castle float come the top and are exposed come air, they will eventually end up being moldy and also inedible and the jar will certainly be spoiled. If yes sir not sufficient brine in the jar to cover the vegetables, add a little filtered water, enough to fill to above the vegetables. To keep the vegetable submerged, weigh them down v a tiny plate, cup, or freezer baggy filled v weak brine.

Second, the sauerkraut and kimchi need to be kept refrigerated at all times. If you desire to offer some v a meal, carry the meal’s worth to a cup or bowl and put the jar of kraut or kimchi ago in the fridge without letting the sit out and warm up.

Third, just use a clean utensil to take the fermented vegetables indigenous the jar. Don’t eat from the jar by reinserting the utensil in the food. If you double dip, you will do it be seeding the food v a wide selection of mouth and also other bacteria, and it will eventually spoil.

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Over that time in the fridge, sauerkraut and kimchi will become an ext acidic together the LABs proliferate, the crunchiness that a fresh jar’s vegetables may abate and become softer over time. Yet as lengthy as you store the vegetables submerged and enjoy the flavors, you’re an excellent to go.

About the Author: Sonoma ar resident Jeff Cox is the author of 24 books, consisting of The Essential book of Fermentation (Avery, 2013)