[efficacy and function of duckweed] Analysis of the efficacy and function of duckweed

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

Brief introduction of duckweed

Duckweed, the name of traditional Chinese medicine, is the dried whole grass of Azolla, a plant of the family Pelumiaceae. Leaves symmetrical, green on the surface, abaxially yellowish or greenish white or often purple, suborbicular, Obovate or Obovate-elliptic, entire, 1.5-5 mm long and 2-3 mm wide, slightly raised above or raised along the midline, abaxially perpendicular filiform root, root white, 3-4 m long, root crown obtuse, root sheath wingless. Like warm climate and humid environment, avoid severe cold. It is appropriate to cultivate paddy fields, ponds and lakes first. Harvest from June to September, wash, remove impurities and dry. It is bitter and cold. It has the effect of dispersing wind-heat, penetrating rash and diuresis.

The efficacy of duckweed

1. Wind-fever and cold

This product is bitter and cold, light and floating, it has the function of sweating the lungs and evacuating wind and heat, it is more suitable for wind-hot cold, fever without sweating, and can be used with peppermint, cicada slough, forsythia and so on. If the wind-cold cold, aversion to cold without sweat, can also be used with ephedra, Elsholtzia splendens, Notopterygium and other divergent wind-cold drugs.

2. Measles is impenetrable

This product is pungent and scattered, which can evacuate wind and heat and relieve the rash. For the beginning of measles, rash is not smooth, often with the efficacy and function of peppermint, cicada slough, burdock and other common use.

3. Rubella pruritus

This product Xin San, with the function of expelling wind and relieving itching, can be used to treat wind evil depression and close muscle surface, rubella pruritus. Those who prefer wind-heat are often used with acrid and cool anti-wind and anti-itching drugs such as cicada slough, mint and burdock, while those with wind-cold are mostly used with anti-wind and anti-itching drugs such as ephedra, Fangfeng and Schizonepeta tenuifolia.

4. Edema and oliguria

This product can be used alone or in conjunction with ephedra, forsythia and wax gourd peel because it can be used alone or with ephedra, forsythia and wax gourd peel.

The function of duckweed

1. Effect on cardiovascular system

Water extract has a cardiotonic effect on quinine-induced frog heart failure, calcium can enhance it, a large dose of calcium can stop the heart in diastole, and can constrict blood vessels and raise blood pressure.

2. Antipyretic effect

The decoction and extract 2 g / kg were given orally to rabbits with fever caused by typhoid mixed vaccine, which proved to have weak antipyretic effect.

3. Other functions

The antimicrobial and antimalarial tests were negative and could kill Culex pipiens larvae and mosquito pupae in the laboratory and in the field.

The medication of duckweed should be avoided.

After talking about the efficacy and function of duckweed, let's take a look at its taboos.

1. "Classic of Materia Medica": do not use it when expressing qi deficiency and spontaneous perspiration.

2. "famous Materia Medica from the New": "it is not big and hot, so you can't try it lightly."

3. "it has to be matched with Materia Medica": "Blood deficiency, skin dryness, qi deficiency and wind pain, both prohibited.

4. It is used for exogenous wind-fever and poor penetration of measles. It is often used in clinical compatibility with Xihe willow, burdock, peppermint and so on. It can also be taken orally and externally for wind-heat addiction rash. Duckweed can relieve heat and diuresis, so it is used for those with edema and surface heat.

The documentary record of duckweed

1. Benjing: the main body is hot and itchy, water vapor, win wine, long hair, stop thirst.

2, "Materia Medica remains": the last application of facial anhydride, tamping juice to take it, the main edema, beneficial urination, and human poisoning, take Pingzi violent dry end, wine service square inch, but also for long hair ointment.

3. "Rihuazi Materia Medica": for the treatment of heat, wind, fever, swelling poison, soup fire sore, rubella.

4. "Southern Yunnan Materia Medica": sweating, detoxification. Treat scabies, scabies and scabies, remove itching wind.

5. "Compendium": main rheumatism paralysis, beriberi, attack injury, eye red membrane, mouth and tongue sores, hematemesis, hematemesis.

This is the end of the introduction of the efficacy and function of duckweed. I believe that after reading it, we will have a certain understanding of the efficacy and function of duckweed. I hope the relevant knowledge points introduced today can be of some help to you.