I have an open bottle of lemon juice that I've been keeping in the fridge. I just took it out to dress a salad and it fizzed like soda when I opened the bottle and smells like... took me a minute to place it... yeast. What's going on? Should I throw it out?

1 Answer 1


It sounds like fermentation to me. That's what you'd expect when you're making mead or hard apple cider.

I'd personally dispose of it ... partially because I can't think of a good use for alcoholic lemon juice, but also because you don't know exactly what the bug is doing the fermentation.

  • 1
    Or just let it keep going and see if you can make hard-lemon-cider-vinegar! Mar 7, 2011 at 14:51
  • Yeah- ok. Just throw it out. Mar 7, 2011 at 14:51
  • 2
    throw it out. There's far too much acid in the lemon juice for you to get a good fermentation. Mar 7, 2011 at 16:10

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