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Is it Safe to Re-use Pickling Brine?

Once you heat, or even soak, your vegetables in your pickling solution, pH changes start to happen. (Heating makes the interaction happen faster.) The vegetables become more acidic, which is what we want to happen in pickling. However, the pickling solution then becomes less acidic. So if your recipe is a hot pack for canned pickles, and you have heated your vegetables in the pickling solution (“brine”), then you should not use leftover brine from filling jars for another round of the recipe. The expected ratio of acid to low-acid ingredients and ultimate pH adjustment in the next recipe will not be the same.

In some recipes, sliced raw cucumbers are soaked for hours in the pickling liquid (vinegar, sugar and/or salt, for example). Then the liquid is drained off the cucumber slices into a pan. The soaked raw slices are filled into jars while the liquid is then heated and poured over them. Even though this is a raw pack in terms of filling jars, this vinegar solution had its original pH (acidity) altered from that initial soaking before it was heated and poured into jars. It should not be used again for a canned pickle recipe since it is now of unknown acidity.

Learn more at https://preservingfoodathome.com/2018/06/26/that-leftover-pickling-brine/.

 

About Karen Blakeslee

The Rapid Response Center was formed in 1995 as a resource for Kansas State University Research & Extension Agents. Resource topics included Food Science, Human Nutrition, Food Service, Textiles, Home Care and other consumer topics. Since that time, the Center has grown to be of valuable assistance to Kansas State University Extension Specialists in those areas.

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