Oysters shells and offal mass can not be eaten.

When eating, the oyster shells and offal clusters should be removed, the oyster shells are hard, the main component is calcium carbonate, it is difficult to be absorbed by the human body after eating, and the oyster shells are not clean, will contain a large number of bacteria and microorganisms, certainly can not be eaten.

It should be noted that when consuming oysters, you should choose fresh and clean oysters to ensure their quality and safety. In addition, oysters should be avoided for certain specific groups of people, such as pregnant women and people with low immunity. Polluted sea culture of oysters is best not to eat, in addition to oysters must be cleaned before eating, it is best to use salt water to soak soaked oysters thoroughly spit sand conducive to a thorough cleaning, you can also add lemon juice and squeezed lemon peel to help clean the oysters in the consumption of oysters before they should be adequately cleaned and cooked, to ensure food safety.

Selection tips for oysters

Weight: Fresh oysters should be heavier, indicating that they are still full of seawater. If the oysters feel light or hollow, it means they have lost their freshness.

Activity: When picking oysters, gently tap on their shells; if the oysters are alive, they will respond by slowly closing their shells. If the oyster's shell does not respond or is already open, they may be dead and should not be eaten.

Smell: Fresh oysters should smell like seawater, with no odor or stench. If it smells fishy or foul, then the oyster may have spoiled.

Shell: The shell of the oyster should be intact and hard, not broken or cracked, and the seaweed and seaweed on the shell should be fresh and not withered.