It is best not to eat oysters overnight, because oysters are a kind of marine life, so they are rich in water, protein, carbohydrates and so on. It is easier to breed bacteria and deteriorate at room temperature. Generally, normal oyster meat is white and fishy, but there is no fishy smell. Protein in spoiled oysters will be hydrolyzed, producing a large number of bacteria, which will make the toxins in oysters exceed the standard and make them unfit for further consumption.

If you have to eat oysters overnight, you must heat them thoroughly and eat them while they are hot after cooking, but the nutrition of oysters is also lost.

If the cooked oysters are well preserved overnight without bad taste and rancidity, they can still be eaten after heating; If not properly preserved, oysters have deteriorated and are not suitable for eating.

How to preserve oysters:

1, preserved in shells, oysters can survive even at ordinary room temperature.

2. Take out the meat and keep it. If your refrigerator has zero-degree fresh-keeping function, it should last for about 5 days.

Step 3 refrigerate. Generally, it can be stored in cold storage for 3 days, because oysters are easy to breed bacteria and deteriorate, which can better inhibit the growth of bacteria and prolong the storage time in the refrigerator. Therefore, if oysters are stored overnight, it is recommended to wrap them in plastic wrap or put them in a fresh-keeping box and put them in the refrigerator for refrigeration.

4. Frozen storage. If freezing is called chilled, put the oysters in a fresh-keeping box and freeze them. There will be soup in the oyster itself, so don't pour it out and freeze it together. Refrigerator freezing itself is not quick freezing, so the freezing time should not exceed half a year.