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Concha Ostreae/oyster Shell

[Chinese medicine name] muli [English name] Ostreae Concha. [Source] Oyster family Ostrea gigas Thunberg, Dalian Bay Oyster Italianwhanensis Crosse or O. oyster D.rivularis Gould shells. [Animals] The shells are surrounded by two pieces, which are extremely irregular, thick and hard. The left...

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[Chinese medicine name] muli

[English name] Ostreae Concha.

[Source] Oyster family Ostrea gigas Thunberg, Dalian Bay Oyster Italianwhanensis Crosse or O. oyster D.rivularis Gould shells.


[Animals] The shells are surrounded by two pieces, which are extremely irregular, thick and hard. The left shell is large and concave, fixed to the rock on the seabed; the right shell is small and flat, showing a calcified texture. The outer surface of the shell has multiple layers of undulating scales, grayish white, light yellow, yellowish-brown to lavender, and extremely rough edges. Porcelain is white on the inner surface and dark-colored shell marks are visible. Visceral, ventricular, auricle and mantle tentacle can be seen in the meat.


[Origin distribution] Living in the vicinity of the low tide line or on shallow sandy seabeds and rocky reefs, Oyster Oysters and Long Oysters are distributed throughout the country, and Dalian Bay Oysters are distributed on the coasts of Liaoning, Hebei, and Shandong.


[Harvesting and Processing] It can be harvested throughout the year. After picking up, take the meat for food, wash the shells and dry them.


[Herb character] appearance is different, about two shells, generally larger and thicker left shell. The shell is rough and uneven, with a smooth inner surface and porcelain white. Hard and brittle, cross-section layered. Slightly salty taste. Long oysters: Long flaky, dorsal and ventral edges almost parallel. The right shell is smaller, and the thick scales are lamellar or lamellar. The shell surface is relatively flat, lavender, off-white, or tan. Dalian Bay Oysters: It is a kind of triangular, dorsal-ventral rim with an "eight" shape, a thick scale on the left shell, and a wavy concentric arrangement of the right shell scales. Omi oysters: They are mostly circular or triangular in shape. The scales of the concentricity of the right shell overlap. The edges are sometimes purplish.


[Main ingredients] Mainly contains 80% to 95% calcium carbonate, calcium phosphate and calcium sulfate. In addition, magnesium, iron, aluminum, silicon and other inorganic elements and amino acids are also included. The types and contents of inorganic elements vary according to the species and origin. Animal experiments have shown that the extract of this product has enhanced immunity, sedation, resistance to experimental gastric ulcer, anti-atherosclerosis, anti-inflammatory and anti-aging effects.


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