Is it safe to eat a banana with a black center?
Aug 30, 2025
Source: Cainiu Health
Dr. Yu Yongchao
Introduction
In general, whether a banana with a black center is edible depends on the specific situation. If the center is slightly darkened due to over-ripening and there is no unpleasant odor, it is usually safe to eat. However, if the black center is caused by rotting or spoilage and is accompanied by an unpleasant smell, it is not recommended for consumption. In daily life, when purchasing bananas, it is advisable to choose those with bright yellow peels, slightly tinged with green, and without any damage.
Generally speaking, whether a banana with a black core in the middle is edible depends on specific circumstances. If the core is slightly blackened due to overripeness but without an unusual odor, it is usually safe to eat. However, if the black core is caused by rotting or spoilage accompanied by an unpleasant smell, it is not recommended for consumption. Detailed explanations are as follows:
During the ripening process of a banana, the internal starch gradually converts into sugars. In some bananas with very high ripeness, small amounts of black fibrous material may appear in the center, which is typically a sign of sugar precipitation or slight caramelization of the pulp. Eating such bananas generally does not pose any health risks, although the texture might be slightly softer and more tender than usual.
If the banana's black core is due to improper storage, physical damage, or bacterial growth leading to rotting, it will usually be accompanied by a distinct sour or alcoholic odor, and the peel may show black spots or damage. Such spoiled bananas may contain harmful substances that can irritate the gastrointestinal tract, potentially causing discomfort symptoms such as bloating and diarrhea. These bananas should be discarded and not consumed.
In daily life, when purchasing bananas, choose those with bright yellow peels, slightly greenish tones, and no damage. Avoid squeezing during storage, and hang the bananas in a cool, well-ventilated place to slow down ripening and spoilage. It is best to consume bananas while they are fresh to ensure optimal taste and nutritional value.
