2, usually cook for 5~8 minutes, the time can not be long, the time can not be short, otherwise the bacteria can not be killed, pay attention to the boiling state, if you are worried, come back for more than ten minutes, but the taste will be old, as long as the flowers are ripe.
Extended data:
1. When there are many people, choose a large flower nail with a complete and closed shell. Be careful that it must be a living flower nail, because the flower nail will not open its shell if it is turned hard. It takes some strength to open the closed flower nail, and it must be alive.
2. When there is no candidate, choose a big one, stick out a little tongue in still water, and touch the extended tongue with your hand, and the flower nail will automatically retract.
3. Weigh the flower armor. Generally, the weight of the flower armor is similar. If it is lighter than ordinary flower armor, it will float on the water when put in water. Absolutely an empty shell. You can look at shells, empty shells and shells filled with sediment. Even if it is closed, it is easy to open.
4. Pour the flower shell into a hot kettle and cook it. When the outer shell of the flower shell is opened, the pot and the flower shell are put into tap water to dry, and then the inner shell of the flower shell and the meat of the flower shell are washed by hand under tap water.
Put the flower in warm water with salt and oil, so that its shell will open, which is beneficial to spit sand. Oil will form an oil film on the water surface, which will separate the water from the air, and make the flower shell lack oxygen in the water to speed up breathing, thus speeding up the progress of sand spitting.
References:
Baidu encyclopedia-huajia