Co-Authored By:
Grapefruit juice that has beencontinuouslyrefrigerated will keep for about 7 to 10 days afteropening. Thebest way is to smell and look at the grapefruitjuice: ifthe grapefruit juice develops an off odor,flavor orappearance, or if mold appears, it shouldbediscarded.
Similarly, how do you know if grapefruit is bad?
Some common traits of bad grapefruit are asofttexture and some discoloration of the skin. The soft spotthenbecomes moist and can develops mold, usually white in coloratfirst, and the grapefruit should thenbetossed.
In this manner, does grapefruit juice go bad if left out?
According to the US Food and DrugAdministration,perishable foods that are supposed to berefrigerated, likejuice, can only be left outat roomtemperature for two hours before it's considered unsafetoconsume.
3 to 4 days