sea ​​clam shell

　　Sea clam shells are those of the clams Meretrix meretrix Linnaeus and Cyclina sinensis Gmelin. Produced in coastal areas. In summer and autumn, they are scavenged from the beach sand, removed from the flesh, and washed. Use raw or forged. Mash into powder or water for use.

　　[Properties] Salty, cold. Returns to the lung and stomach meridians.

　　【Efficacy】 Clears the lungs and resolves phlegm, softens and resolves stagnation.

　　【application】

　　1. Lung heat, cough and asthma due to phlegm heat. This product can clear lung heat, resolve phlegm and clear fire. It is used to treat cough and asthma with hot phlegm and thick yellow phlegm. It is often used with trichosanthes trichosanthes and sea pumice. It can treat internal phlegm-fire stagnation, chest and side pain caused by burns to the lungs and spitting up blood. It is often used with indigo naturalis, that is, Dai Hai Powder ("Health Hongbao").

　　2. Galls and phlegm cores. This product has a salty taste and can soften and dissolve hard knots. It is often used with seaweed and kelp, such as Hanhua Wan ("Principles of Syndrome and Treatment").

　　In addition, this product has diuretic and antacid properties, and can be used to treat water edema, dysuria, and stomach pain with pantothenic acid. Powdered for external use, it can astringe and sores, and treat eczema and burns.

　　[Usage and Dosage] Decoction and take, 10-15g; clam powder should be fried in a bag.

　　[Abstract from ancient books]

　　1. "Shen Nong's Materia Medica": "The main symptoms include coughing, wheezing, restlessness, chest pain, cold and heat. ”

　　2. "Treatise on the Properties of Medicine": "Cure water-qi edema, urination, cough, upper gas, and tumor gall under the neck. ”

　　3. "Compendium of Materia Medica": "Clears heat and promotes dampness, resolves phlegm, eliminates accumulation, removes blood dysentery, and women with blood clots in the chest. ”

　　【Modern Research】

　　1. Chemical composition: The shells of clams and green clams contain calcium carbonate, shell cutin, amino acids, etc. Also contains sodium, aluminum, iron, strontium, etc.

　　2. Pharmacological effects: It has anti-aging effects, can significantly reduce lipid peroxide in animals, and can significantly increase superoxide dismutase activity. It also has anti-inflammatory effects. Its combination with kelp, seaweed, and oysters can inhibit the proliferation of granulation tissue in rats, and has a significant inhibitory effect on acute peritonitis caused by glacial acetic acid in mice.

　　3. Clinical research: Grind clam powder with realgar, frankincense, myrrh, borneol, etc. Apply it on a sterilized cotton ball with thread and place it in the vagina. It is effective in treating cervical erosion (Shandong Medicine, 1993, 2: Cover 3); Clam powder mixed with borneol and realgar powder, mixed with vegetable oil and applied on the vaginal wall, is effective in treating fungal vaginitis (Hubei Journal of Traditional Chinese Medicine, 1985, 2:9); Calcined clam powder was mixed with calcined gypsum, indigo, cork, and light powder into very fine powder, mixed with sesame oil and tea, and wrapped in plastic cloth to treat 51 cases of psoriasis, with a total effective rate of 96.1% (Sichuan Traditional Chinese Medicine, 1994, 10:48); in addition, it is also used to treat psoriasis. Herpes (Liaoning Journal of Traditional Chinese Medicine, 1989, 8:47), yellow water sores (Chinese Patent Medicine, 1992, 5:49), impetigo in children (Shanghai Journal of Traditional Chinese Medicine, 1986, 6:18), and is also effective in treating ulcers and tissue necrosis after chemotherapy. (Zhejiang Journal of Traditional Chinese Medicine, 1994, 1:18).