Duckweed, also known as duckweed and Tian Ping, is a floating plant on the surface of duckweed family, and it is also a general name for duckweed family. So, how much do you know about duckweed? What are the effects and functions of duckweed? Let's take a look at it next.

Brief introduction of duckweed

Duckweed, the name of traditional Chinese medicine, is the dried whole grass of Spiraea. The thallus is symmetrical, the surface is green, the back is pale yellow or greenish white or often purple, nearly round, obovate or obovate-oval, entire, long 1.5-5 mm, wide 2-3 mm, slightly raised above or raised along the midline, and the back is vertical with filiform roots 1 strip, the roots are white and 3-4 cm long.

Like warm climate and humid environment, avoid cold. It is advisable to cultivate in paddy fields, ponds and lakes first. Harvest from June to September, wash, remove impurities and dry in the sun. Its pungent, cold. It has the effects of dispelling wind and heat, penetrating rash and diuresis.

The efficacy of duckweed

1, wind-heat cold

This product is pungent and cold, light in weight, and has the functions of dispersing lung and sweating, and dispersing wind and heat. It is suitable for wind-heat cold, fever and anhidrosis, and can be used equally with mint, cicada slough and forsythia. For wind-cold with aversion to cold and no sweat, it can also be used with wind-cold dispersing herbs such as Mahuang, Elsholtzia and Notopterygium.

2, measles is impenetrable

This pungent powder can disperse wind and heat, relieve exterior syndrome and penetrate rash. It is used for the initial onset of measles, and the rash is not smooth. It is often used with the efficacy and action of mint, cicada slough and burdock.

3, rubella itching

This pungent powder has the functions of expelling wind and relieving itching, and can be used to treat common cold's stagnation of muscle surface and rubella itching. For those who are inclined to wind and heat, they are often used with pungent and cool herbs such as cicada slough, mint and burdock to dispel wind and relieve itching. For those who are inclined to wind-cold, they are usually combined with pungent and warm wind-dispelling and itching-relieving herbs such as Mahuang, Fangfeng and Schizonepeta.

4, edema and less urine

This product can disperse lung qi, cause sweating and penetrate pathogenic factors, and can induce diuresis and detumescence by diverting water, so it is suitable for treating edema, oliguria and exterior syndrome of wind-heat syndrome, and can be used alone, or it can be used equally with Herba Ephedrae, Fructus Forsythiae and Wax Melon Peel.