National Compilation of Chinese Herbal Medicine: Shell Pinyin name Xi m: Nké alias Corbiculafluminea(Miiller), a family of Corbicula fluminea of Gastropoda, a mollusk, is used as medicine in shells. Habitat distribution in southern provinces. Sexual taste is salty and warm. Functional indications are nausea and vomiting, and external use is used to treat damp-heat sores. Excerpt from the National Collection of Chinese Herbal Medicine and Chinese Materia Medica: the shell originated from the Notes on Materia Medica Classics. 1. "Materia Medica": clam is smaller than clam, black, in raw cement. 2. "Compendium": There are many clams in streams and lakes, and there are many kinds of them, with different sizes and thicknesses, which make fishermen eat more. 3. "Compendium": There are many rivers and lakes in the sand and mud, with different types, such as yellow clam, black clam, white clam, Jinkou and Yukou. The yellow clam shell is thin and fleshy, the black clam shell is thick and fleshy, and there is no ear clam in Weiyong, Panyu, which is more sweet and abnormal. Pinyin name Xi m: Nké English name shelloffreshwater *** allclam alias The source of the medicinal materials is the shell of Corbicula fluminea or its related animals. Latin plant and animal mineral name: Corbiculafluminea(Muller) Harvesting and storage: It can be caught all year round, scalded in water at that time, shelled, washed and dried. In its original form, Corbicula fluminea has a medium-sized shell with a slightly regular triangle. The shell is slightly thick and hard. Adults generally have a shell length of 40mm, a shell height of 37mm and a shell width of 20mm. The left and right shells are equal. The top of the shell is covered with a dark brown shell, sometimes slightly yellow. The surface is growth line-shaped, and the top of the shell of older individuals often falls off to expose calcareous. The inside of the shell is purple and white. There are 3 main teeth in the hinge, and the one in the center is the largest. The foot is big and tongue-shaped. Habitat distribution ecological environment: living in rivers, lakes and marshes, mostly inhabiting muddy bottom. Distribution of resources: It is distributed in most areas of China. Chemical constituents of shells mainly include calcium carbonate, magnesium carbonate and conchiolin. It also contains cholesterol, campesterol, βsitosterol and stigmasterol. Sexual taste is salty; Sexual warmth returns to the meridians and lungs; The function of stomach meridian is mainly to eliminate phlegm and stop cough; Eliminating dampness and regulating stomach. Main phlegm, asthma and cough; Nausea and vomiting; Stomach pain, acid swallowing, wet sore; Ulcer; Administration and dosage of beriberi: decoction,1520g; Or into powder. External use: appropriate amount, calcined, ground, sprinkled or applied. Attached Formula ① Treating Nausea

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