Is this orange juice fermented?

Question

well we had like 10 cups of 4 ounce suncup oj in the fridge for about 8 months to a year now, i opened one up yesterday and the smell was putred and awful. i want to know if its fermented or if its gone sour or what?

Answer 1

it has gone bad.....you have to control fermentation and a year in the fridge won't do it the yummy way  :)