Purple mucus is the dirty thing in the viscera of the big conch, which also shows that the big conch is alive. The big conch needs to be soaked in cold water with a little sesame oil or salt for about 2 hours before eating, so that the silt and dirt in the intestine can be spit out. And before cooking, the "head" of the conch must be removed. Because the secretion in conch brain can cause food poisoning.

Conch is a mollusk gastropod, mollusk phylum. Shellfish are mainly divided into five classes. There are more than 70,000 species in the world, and the marine species can be called conch.

Conch shell is slightly square in outline, large and thick, with a shell as high as 10 cm and six spiral layers. Rich in protein, vitamins, essential amino acids and trace elements, it is a typical natural animal food with high protein, low fat and high calcium.

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Baidu encyclopedia-conch