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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?

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up vote 5 down vote accepted

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.

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Or just let it keep going and see if you can make hard-lemon-cider-vinegar! – Sobachatina Mar 7 '11 at 14:51
Yeah- ok. Just throw it out. – Sobachatina Mar 7 '11 at 14:51
throw it out. There's far too much acid in the lemon juice for you to get a good fermentation. – Chris Cudmore Mar 7 '11 at 16:10

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