This medicine tastes sweet, slightly bitter and slightly cold. Return to stomach meridian, lung meridian and heart meridian.
Efficacy: nourishing yin and promoting fluid production, moistening lung and clearing heart.
App application
1. Deficiency of stomach yin. Sweet and moist, bitter and cold. Be good at nourishing stomach yin, promoting fluid production to quench thirst, and clearing stomach heat. It is widely used for dry tongue fever, thirst, epigastric pain, hunger, nausea, dry stool and other symptoms caused by deficiency of stomach yin. For stomach yin and dry mouth caused by heat, it is often combined with Sheng Di, Yuzhu and Adenophora. For quenching thirst, it can be used with Trichosanthes root and Mume. It is combined with Banxia and Ginseng to treat qi deficiency and vomiting caused by deficiency of stomach yin, for example, Mai Men Dong Tang from synopsis of golden chamber. Often combined with Radix Rehmanniae and Radix Scrophulariae, it is used for constipation caused by heat toxicity and body fluid injury, such as Zengye Decoction.
2. Lung yin deficiency syndrome. This product is also good at nourishing lung yin and clearing lung heat, and is suitable for dry nose, dry throat, dry cough, less phlegm, hemoptysis, sore throat and so on. It is often used with Ejiao, Gypsum Fibrosum, Mulberry Leaves and Loquat Leaves, such as Qingzao Jiufei Decoction (medical method).
3. Heart-yin deficiency syndrome. This product can enter the heart meridian, nourish the heart yin, clear the heart heat, and has a little calming effect. Can be used for heart yin deficiency accompanied by fever, insomnia, dreaminess, forgetfulness, palpitation and other symptoms. It should be used together with Yin-nourishing and tranquilizing herbs, such as Tianwang Buxin Dan, which is used equally with Sheng Di, Ziziphus Spinosae Seed and Bai Zi. For those suffering from heat, sadness, mental boredom and lack of sleep, it should be combined with herbs for clearing heart, cooling blood and nourishing yin. For example, Qingying Decoction (on febrile diseases) is compatible with drugs such as Coptidis Rhizoma, Shengdi and Scrophularia.
Usage and dosage: decoction, 6 ~ 12g.
Ancient book abstracts
1. Shennong's Herbal Classic: "The main heart is tied with qi ... the stomach is broken, thin and qi-deficient."
2. "Materia Medica": "Medicine for clearing heart and moistening lung. Deficiency of main qi, palpitation, forgetfulness and listlessness; Or lung heat, lung dryness, repeated cough, flaccid lung with scorched leaves, qi deficiency and asthma, fire in the lungs and hemoptysis; Or fatigue and fever, lack of body fluid; Or the spleen and stomach are dry and secret. "
Modern research
1. chemical composition: this product contains many steroidal saponins, β-sitosterol, stigmasterol, high isoflavone compounds, many amino acids, various polysaccharides, vitamin A-like substances, copper, zinc, iron, potassium and other components.
2. Pharmacological effect: intramuscular injection of Maidong decoction in rabbits can increase blood sugar; Oral administration of water extract and alcohol extract of Ophiopogon japonicus in normal rabbits has hypoglycemic effect; Ophiopogon japonicus can enhance the phagocytosis of reticuloendothelial system, increase peripheral white blood cells and improve immune function; It can enhance the function of pituitary adrenal cortex system and improve the adaptability of the body; It can significantly improve the hypoxia tolerance of experimental animals, increase coronary flow, protect myocardial ischemia, resist arrhythmia and improve myocardial contractility; Has the effects of improving left ventricular function and resisting shock; It also has certain sedative and antibacterial effects.
3. Clinical study: It is reported that Maimendong decoction (Ophiopogon japonicus, Ginseng, Pinellia ternata, Glycyrrhiza uralensis, Jujube, and japonica rice) has a good effect on patients with plum blossom, bloody stool and epistaxis during menstruation (Henan Traditional Chinese Medicine, 2000, 5: 9). 6g of ginseng and 6 g of Schisandra chinensis, 3g of red ginseng, decocted in water instead of tea, daily 1 dose, 2 months/course of treatment. A total of 36 cases of mild brain dysfunction syndrome were treated, 8 cases were cured, 2 cases were markedly effective 1 5 cases were improved (journal of traditional chinese medicine, 65430) 76 cases of acute viral myocarditis were treated with Shenmai injection combined with appropriate antiarrhythmic drugs, 54 cases were markedly effective, 65,438+04 cases were effective and 8 cases were ineffective (journal of traditional chinese medicine, Zhejiang, 65,438+0988, 8: 369); This product is also reported to be used for insomnia, pneumonia, chronic pharyngitis, bronchial asthma in children, pulmonary heart disease and other diseases.