Oysters, belonging to the oyster family Ostreyidae or Aviculidae oysters, are bivalve molluscs distributed in the temperate and tropical waters. The Spondylus and Anomia animals are also sometimes referred to as spiny oysters and saddle oysters, respectively.
Oysters have higher than average levels of cholesterol, calcium, iron, phosphorus, magnesium, manganese, sodium, zinc, selenium, copper, and vitamin B2, and contain 80% to 95% of calcium carbonate, calcium phosphate, and calcium sulfate. And contains magnesium, aluminum, silicon and iron oxide. After the oysters are calcined, the carbonates decompose to produce calcium oxide. Oyster original animal glycogen, taurine, 10 essential amino acids, glutathione, vitamin A, B1.B2.D, inorganic substances such as copper, zinc, manganese, barium, phosphorus and calcium, etc. The most abundant leucine, arginine and citrulline are among the most abundant marine species ever discovered by humans.