Some of the seeds are used as medicine.
Collection and processing: Collect the plants when the fruits are mature in summer, dry them in the sun, lay the seeds, remove impurities, and dry them in the sun for later use. Chinese medicine can be used raw or stir-fried. Mongolian medicine is used raw.
Identification characteristics of Yaocun: The seeds are flat oval, 1 to 1.5 mm long, 0.5 to 1 mm wide, brown or reddish brown in surface, slightly shiny, with 2 longitudinal grooves, of which 1 is more obvious. . One end is blunt and rounded, the other end is pointed and slightly concave, off-white, and the hilum is located at the concave end. Odorless, slightly spicy, and highly sticky. Identification: (1) Take a small amount of this product, soak it in water, and observe with a magnifying glass. The transparent mucus layer is thick, and the thickness can exceed 1/2 of the width of the seed. (2) Surface view of the skin of this species: the lower epithelial cells are polygonal, with a few long polygonal cells having a diameter of 15-42 microns and a wall thickness of 5-8 microns.
Chemical composition: Seeds contain fatty oil, glucosinolate, protein, sugar, etc. Two cardiac glycosides have been identified, one of which is Qilixiang glycoside A. There are also white mustard glycosides and benzyl isothiocyanate.
Pharmacological effects: Lepidium chinensis seeds have cardiotonic effects. In the cardiopulmonary preparation experiment of cats, the weakened heart formed by chloral hydrate can strengthen the contractility, increase the output, and reduce the blood pressure. Increase, venous pressure decreases; seed ethanol extract has cardiac glycoside-like effects in vivo hearts (frog, rabbit, cat), cat electrocardiogram tracings and heart and lung preparation specimen experiments, large doses can cause tachycardia, ventricular Symptoms of cardiac glycoside poisoning such as tremor. Clinically used to treat chronic pulmonary heart disease complicated by heart failure. The minimum lethal dose for intravenous injection into pigeons is 4.36 g/kg. In addition, this product has antiasthmatic and diuretic effects.
Nature, flavor and function Chinese medicine tastes bitter and pungent, and has a cold nature. It purges the lungs and relieves asthma, eliminates phlegm and relieves cough, and promotes water circulation and swelling. Mongolian medicine tastes pungent, bitter, cool, blunt, thin, light, and rough. Cough-relieving, expectorant, asthma-relieving, heat-clearing, detoxifying.
Indications: Traditional Chinese medicine is used to treat phlegm and saliva blocking the lungs, coughing and shortness of breath, fullness in the chest and flanks, lung abscess, water accumulation in the chest and abdomen, edema, difficulty in urination, and pulmonary heart disease. Mongolian medicine treats asthma and cough, lung sensation, throbbing heat, visceral heat, poisonous heat, "Xieri" heat, blood heat, and pulmonary heart disease.
Dosage and Usage: 3 to 10 grams of traditional Chinese medicine, decoction in water or taken as pills and powder. Mongolian medicine is used in many formulations.
Usage: Please note that it should not be used by those with lung deficiency, asthma and cough, and spleen deficiency, swelling and fullness.
Preparation of prescription
Chronic exudative pleurisy: 15 grams of Lepidium sativum seeds (fried), 4 red dates, 9 grams of clam, 6 grams of pinellia, 3 grams of licorice, water Decoct and take.
Chronic bronchitis, wheezing and coughing in the elderly: 9 grams of Lepidium sativum seeds, 9 grams of almonds, 6 grams of tangerine peel, 9 grams of mulberry bark, decoction in water.