Razor clam

Razor clam

(dietotherapy materia medica)

Another name: clam intestine.

[source] it is the meat of Sinonovacula constricta.

[animal morphology] Sinonovacula constricta

Shell 2 pieces, thin and crispy, rectangular. The shell is about 4-8 cm in length, 1 / 3 in height and 1 / 5-1 / 4 in width. The top of the shell is located at the front of the dorsal margin, about 1 / 3 of the total length of the shell. Dorsal ventral margin nearly parallel, leading edge slightly round, posterior margin slightly truncate. The external ligament is dark brown and slightly triangular. The surface of the shell is smooth, with obvious growth lines, and there is a slightly concave groove from the top to the ventral surface; the surface of the shell is covered with a layer of yellowish green shell, and the top is white with shedding. The inner surface of the shell is white, and there is a protrusion opposite to the concave groove on the surface of the shell under the top of the shell. The right shell has two needle shaped main teeth, the left shell has three main teeth, and the central one is large and forked. The coat mark is obvious, the coat sinus is wide, and the front end is round. The anterior and posterior adductor muscles were triangular, and the posterior adductor muscles had larger scar. Foot muscle developed, flat on both sides, flat tip, forming an oval plantar surface, with many tentacles around the foot hole. Two water pipes, long and separate.

It lives in the mudflat near the estuary of shallow sea. It mainly feeds on diatoms. It is distributed along the coast of China. Zhejiang, Fujian and other places have aquaculture.

The shell of this animal (razor clam shell) is also used for medicine.

[collection] it can be caught all year round; after being caught, the shell should be stripped, washed, used fresh or dried in the sun.

[chemical composition] it contains 88 grams of water, 7.2 grams of protein, 1.1 grams of fat, 2.4 grams of carbohydrates, 1.3 grams of ash, 133 mg of calcium, 114 mg of phosphorus, 22.7 mg of iron, and 1900 micrograms of iodine per kilogram of dried razor clam.

[flavor] sweet and salty, cold.

① "Ben Jing Feng Yuan": "Gan, Ping, non-toxic. "

② "Materia Medica from the new": "sweet and salty, cold. "

[Guijing] 1. In Ben Cao Qiu Zhen: "into the kidney and liver. "

② "Re innovation of Materia Medica": entering the heart and kidney meridians. "

Functions and indications: tonifying Yin, clearing heat and eliminating vexation. Treatment of postpartum deficiency, fever, thirst, damp heat edema, dysentery.

① Jiayou materia medica: "tonifying deficiency, governing cold dysentery. Cooking, the housewife postpartum virtual loss, chest evil heat annoyed sultry. "

② "Materia Medica from the new": "tonifying Yin, governing heat dysentery. "

③ Yilin zuanyao: "quench thirst and sober up, remove vexation and heat. "Dry food can nourish the heart and nourish yin. "

④ "Quanzhou Materia Medica": "clearing away heat and toxin, promoting urination, eliminating edema, and removing pathogenic heat in the chest. Indications: Damp heat edema, heat stroke and blood dysentery. "

[usage and dosage] oral administration: cooking.

[taboo] 1. Meng Shen said: "you can't eat after Tianxing's illness. "

② Yilin zuanyao: "raw food, cold, diarrhea. "

[formula selection] 1. Treatment of damp heat edema: two liang of dried razor clam, stewed garlic stem. (Quanzhou materia medica)

② Treatment of blood dysentery caused by heat stroke: boiled with razor clam and thorn melon. (Quanzhou materia medica)

[famous scholar's discussion] Ben Cao Qiu Zhen: "razor clam is Yin in nature, so it can relieve vexation and heat. However, it is suitable for those whose water is weak and fire is strong. If the spleen and stomach element cold, take it will have the risk of diarrhea. The book says that it can cure cold dysentery. It seems to be a clever saying, but it can't be believed. "