Yes, wrapping apples individually can significantly extend their freshness by slowing down ripening and preventing ethylene gas from affecting other apples.
Apples produce ethylene gas, a natural plant hormone that accelerates ripening. When apples are stored together, the ethylene gas from one apple can cause the others to ripen faster and potentially spoil. Wrapping each apple individually, especially in plastic wrap, creates a barrier that traps the ethylene gas emitted by that specific apple. This reduces the overall concentration of ethylene gas surrounding the fruit, slowing down the ripening process. Furthermore, wrapping helps to maintain humidity around the apple, preventing it from drying out and becoming shriveled. This method is particularly effective for storing apples in the refrigerator, where the cool temperature further inhibits ripening.
Use perforated plastic bags or wraps with small holes. This allows for some air circulation, preventing moisture buildup that could lead to mold growth, while still slowing down the ripening process.