Broken prunes will have the following characteristics:

1. Look at the appearance: From the outside, there are dark spots or black ulcers on the skin of the prunes, such as Prunes indicate that the inside has begun to deteriorate and is not suitable for consumption.

2. Touch the appearance: Mature prunes are a bit soft to the touch, but there will be no abnormality. Broken prunes will have juice overflowing when touched.

3. Smell: Under normal circumstances, prunes have no smell. If the prunes at home smell sour or alcoholic, they have become rotten or spoiled.