How long does fresh pineapple juice stay OK in a refrigerator?

Yes it's still OK. It would probably last 3 days in the fridge, as long as it is in a clean, non-metallic, air-tight, with little headspace - containers. read more

It should stay fresh for about a week to 12 days. I would suggest that you store it in a glass container. It might separate as some of the solids settle, but just mix it to reconstitute the juice. read more

Whole pineapple that shows no signs of spoilage after sitting at room temperature for three days can be stored in the refrigerator for one to two more days. Wrap the pineapple tightly in a plastic bag and store it in the crisper section of the refrigerator. read more

Once opened, pineapple juice should be promptly removed from a metal can and stored in a covered jar or container in the refrigerator at 40 degrees Fahrenheit or lower. Juice packaged by a grocery store, juice bar or restaurant could be unpasteurized and should be refrigerated within an hour and consumed within a day. read more