The impact is definitely there, because the longer it is oxidized, the lower the nutritional value will be, and if it is completely oxidized, it means that it has been spoiled. But your current situation can still drink, because apple juice as long as the air contact, in a few minutes will be oxidized, at this time only the antioxidant capacity of the juice becomes lower, the pectin in the apple juice will also be decomposed, so you should drink it as soon as possible.?