Is it ok to eat kimchi that is causing its package to expand? For non-fermented foods, I feel like it's obvious that they shouldn't be consumed if they're causing the package they're stored in to expand, even if they're still within the &quot;best by&quot; date. Does this apply to fermented foods like kimchi?
I had some yesterday and, while it's still in date (just), the sealed package was notably &quot;inflated&quot;. It popped when opening and the kimchi made a &quot;fizzing&quot; sound for a little while. It didn't smell off and it tasted OK, albeit a little more acidic than usual.  So far I haven't suffered any adverse effects.
I have one tub left. Is this Korean Roulette, or should it be fine?
Fresh kimchi will continuously release gas as it continues to ferment; unlike some other fermented foods, it contains active cultures. Commercial kimchi is often packaged with a &quot;gas absorber&quot;, but that can only do so much. So yes, it should be fine.