Duckweed Duckweed is the dry whole grass of Ziping. Ponds are produced all over the country, especially in Hubei, Jiangsu, Zhejiang, Fujian and Sichuan provinces. Harvesting in June-September, removing impurities, and drying in the sun. Eat raw.
This medicine is pungent and cold. Enter lung meridian and bladder meridian.
Efficacy: sweating and relieving exterior syndrome, penetrating rash and relieving itching, diuresis and detumescence.
App application
1. Wind-heat cold. This product is pungent and cool, light in weight, and has the functions of dispersing lung and sweating, dispelling wind and clearing heat. It is suitable for wind-heat cold, fever and anhidrosis, and can be used equally with mint, cicada slough and forsythia. For aversion to cold without sweating, it can also be combined with wind-cold dispersing herbs such as Mahuang, Elsholtzia and Notopterygium.
Measles is not contagious. This pungent powder can disperse wind and heat, relieve exterior syndrome and penetrate rash. Used for the initial onset of measles with poor rash. Often used with mint, cicada slough and burdock.
3. Rubella itching. This product is Xin San, which has the effects of expelling wind and relieving itching, and can be used to treat wind and pathogen stagnation on muscle surface and rubella itching. For those with wind-heat bias, it is often combined with cicada slough, mint, burdock and other spicy and cool products to dispel wind and relieve itching. For those with wind-cold, it is usually combined with herbs with pungent, warm, expelling wind and relieving itching, such as Mahuang, Fangfeng and Schizonepeta.
4. Edema and less urine. This product has the functions of dispersing lung qi, sweating, eliminating pathogenic factors, promoting diuresis and reducing swelling, and is suitable for treating edema, oliguria and exterior syndrome of wind-heat. It can be used alone or in combination with Herba Ephedrae, Fructus Forsythiae and pericarpium Benincasae.
Usage and dosage: decoct 3-9g. Appropriate amount for external use, decocted in water and washed.
Pay attention to exterior deficiency and spontaneous sweating, not suitable for use.
Ancient book abstracts
1. Shennong's Herbal Classic: "Treating sudden fever and itching, washing water is better than wine, growing hair and quenching thirst."
2. Compendium of Materia Medica: "Treating heat timely is better than sweating."
3. "Medicinal Solution of Sorbus fragrans": "Xin Liangjie Table. Treating plague macula, apoplexy and paralysis; Treat carbuncle, heat swelling, itching, bayberry, acne and sweat spots. "
Modern research
1. chemical composition: this product contains flavonoids, such as safflower yellow and vitexin. In addition, it also contains carotene, lutein, potassium acetate, potassium chloride, iodine, bromine fatty acids and other substances.
2. Pharmacological effect: Duckweed has diuretic effect, and its effective components are mainly potassium acetate and potassium chloride. The water extract of duckweed has cardiotonic effect and can constrict blood vessels to raise blood pressure. In addition, it also has antipyretic and antibacterial effects.
3. Clinical research: It is reported that Shuangzi Baifu Decoction, which mainly consists of fresh duckweed 60g, Lithospermum 15g and Dictamni Radicis 30g, has been used to treat 2 15 cases of common skin diseases such as acne and eczema, and achieved good results (Heilongjiang Traditional Chinese Medicine, 1998, (2): 7). Fifty cases of urticaria were treated with Guizhi Duckweed Decoction (Guizhi, Rhizoma Atractylodis, Radix Saposhnikoviae, Coicis Semen, Duckweed, Gleditsia sinensis, Kochia scoparia, and Bombyx Batryticatus), and the curative effect was remarkable (journal of traditional chinese medicine,1998,26 (3): 43).
Symptoms of wind-cold cold
Wind-cold cold is caused by the invasion of wind-cold pathogens and lung qi failure. Symptoms can be seen as follows: aversion to cold, mild fever, anhidrosis, headache and body pain, nasal congestion and runny nose, cough with white phlegm, thirst or thirst for hot drinks, thin and white fur. Treatment should be based on symplectic warming to relieve exterior syndrome.
Cold colds are usually caused by fatigue and lack of rest, plus blowing or catching cold. Wind-cold colds usually occur in autumn and winter. Wind-cold and cold belong to the syndrome of the sun meridian, and the sun cannot be started when it is blocked. Its typical symptoms are:
1, severe pain in the back of the head, that is, pain in the back of the head, accompanied by rotational stiffness of the neck.
2, afraid of cold and wind, usually have to wear a lot of clothes or cover a big quilt to feel comfortable.
3. The tongue has no coating or thin white coating.
4, the nose is clear, white or slightly yellow. If the nasal congestion does not cause runny nose, it is also a cold to drink some hot water and start to clear your nose.