Should grapes be stored in the refrigerator or naturally preserved

Grapes can be stored in the refrigerator for short-term preservation, and natural ventilation is recommended for long-term preservation. The preservation method of grapes is mainly influenced by factors such as temperature, humidity, maturity, stem status, and storage time.

Storing grapes in the refrigerator can slow down water loss and spoilage, making them suitable for consumption within 3-5 days. It is advisable to control the refrigeration temperature between 0-4 degrees Celsius. Before putting it into a fresh-keeping bag, the rotten fruit pieces should be cut off and the fruit stems should be preserved to avoid condensation and accelerate mold growth. But refrigeration for more than 5 days may cause frostbite of the fruit flesh or a loss of flavor.

Natural ventilation preservation is more suitable for whole clusters of grapes that are not fully ripe, with the best environment being a room temperature of 15-20 degrees Celsius and a humidity of around 60%. Hanging or spreading the grapes in a cool place and preserving the stem with white frost can maintain freshness for about 7 days. This method can promote post ripening and increase sweetness, but it is necessary to check and remove softened fruit grains daily to prevent the spread of mold.

When storing grapes, avoid washing them with water or sealing them. Rinse them with running water before consumption. Soaking in lemon juice or white vinegar can remove surface pesticide residues. For those with gastrointestinal sensitivity, it is recommended to peel and consume. The daily intake should be controlled within 200g, and diabetes patients should reduce the consumption. If the flesh becomes transparent or emits a smell of alcohol, it should be discarded immediately.