If unopened juice is properly stored in the refrigerator and then taken out to sit at room temperature, it will generally be safe to consume for some time. However, the shelf life and quality of the juice may be affected by the temperature changes.
Juice that is kept refrigerated maintains its freshness and quality for a longer period. Refrigeration slows down the growth of bacteria, yeast, and mold, which can cause spoilage. By storing juice in the fridge, you are extending its shelf life and ensuring that it remains safe to consume.
When you take the juice out of the refrigerator and leave it at room temperature, the warmer environment can accelerate bacterial growth and potentially lead to spoilage. The timeframe for which the juice remains safe and palatable will depend on various factors, including the specific type of juice, the initial quality, and the duration it remains at room temperature.
It's recommended to consume refrigerated juice within a few hours after removing it from the fridge and not letting it sit at room temperature for an extended period. If the juice has been left out at room temperature for more than two hours, it's advisable to discard it to avoid the risk of bacterial contamination.
Always check the juice for any signs of spoilage, such as an off smell, unusual color, or presence of mold. If you notice any of these signs or have concerns about the safety or quality of the juice, it's best to err on the side of caution and discard it.