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longgone's avatar

Is it true that regular fruit juice contains alcohol?

Asked by longgone (18298points) June 25th, 2017

I had a discussion with a friend about this.
He’s wrong.

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9 Answers

zenvelo's avatar

Fresh fruit juice, no. Juice that has been allowed to sit around and ferment, yes.

augustlan's avatar

Yeah, your friend is definitely wrong.
As @zenvelo says, only if it’s fermented.

LuckyGuy's avatar

Actually you can say you both are right. Here is a paper by Perkin Elmer that measures the concentration to incredibly small resolution.
Fruit Juice Sample Concentration of ethanol (mg/dl)
Orange juice A 56.5
Orange juice B 3.7
Mixed berry juice 57.0
Grape juice 236.2

100 ng/dl is roughly 0.000001% (Someone please check my math.)

CWOTUS's avatar

I don’t know what you mean by “ng / dl” @LuckyGuy. (I’m assuming it’s just a typo, because the paper you link clearly shows mg / dl.)

But 56 mg / dl converts to 0.56 g / liter (link), and since there are 1000 g / liter (making each gram equivalent to 0.1% of a liter), then 0.56 g would represent 0.056% concentration.

LuckyGuy's avatar

@CWOTUS. Thanks!!! I misread it. You are correct. It is mg not ng. So 100 mg /dl is 0.1 %. Still pretty darned small.

Jeruba's avatar

It contains the possibility of alcohol.

MollyMcGuire's avatar

Sure, if you let it sit around long enough.

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longgone's avatar

Thanks, this was very helpful.

My friend was wrong.~

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