Efficacy and function of rhubarb

Cow's ear rhubarb is also called rhubarb, four seasons vegetable root, fire wind tang, sheep hoof root and so on, it is the root of perennial herb of Polygonaceae, it has the effect of clearing away heat and cooling blood, resolving phlegm and relieving cough, laxative and insecticidal effect. it has therapeutic effect on acute hepatitis, chronic tracheitis, hematemesis, blood avalanche, thrombocytopenia and other diseases. let's take a look at the efficacy and effect of rhubarb.

Medicinal effect of rhubarb

The taste is bitter, cold and poisonous.

Meridian of heart, liver and large intestine.

[efficacy] clearing heat and cooling blood, resolving phlegm and relieving cough, defecating and killing insects, treating acute hepatitis, chronic tracheitis, hematemesis, blood avalanche, thrombocytopenic purpura, dry stool, dysentery, scabies, baldness, furuncle, furuncle.

Pharmacological effects of rhubarb

1. Antitussive effect: both the decoction of rhubarb root and the decoction of deproteinized rhubarb root have obvious antitussive effect (ammonia spray induced cough), but all mice have the reaction of abdominal distension, diarrhea and loose hair. Emodin and chrysophanol isolated from them have obvious antitussive effect, emodin is stronger than chrysophanol, total anthraquinone also has mild antitussive effect, Rhein has no antitussive effect.

2. expectorant effect: the decoction of rhubarb and deproteinized rhubarb had expectorant effect (phenol red method in mice), but the effect of total anthraquinone was not obvious. Total anthraquinone had obvious antiasthmatic effect on guinea pigs (histamine spray method), but emodin, Rhein and chrysophanol were ineffective. The mixture of chrysophanol and the residue after the extraction of the above components to guinea pigs has antiasthmatic effect.

3. Bacteriostatic effect: Rhein, emodin and chrysophanol isolated from roots have different inhibitory effects on Alpha streptococcus, pneumococci, influenza bacilli and catarrhal cocci. The extract of whole grass has inhibitory effect on Staphylococcus aureus and Escherichia coli. The root tincture had significant bacteriostatic effect on Microsporum canis on Saber's medium and the lowest effective concentration was 1.56-3.12%.

4. Anti-tumor effect: six days after sarcoma-37 was inoculated into the thigh muscle of mice, the alcohol extract of folic acid root was injected subcutaneously once. After 6 hours and 48 hours, the tumor examination showed that the drug had harmful effect on the tumor, and the acid extract was more effective.

5. Other effects: the rhizome contains anthraquinone derivatives such as emodin, so it has the effect of diarrhea. The content of tannin is also quite high (3.62 to 6.42%), so it has the effect of convergence. Roots and rhizomes also contain vitamin B1 (up to 10.26 micrograms / can), which can be used as stomach-strengthening and strengthening agents. It also contains an irritating substance, which can be used as a red agent and dispersant, and can kill skin parasites, but it can cause dermatitis and gastrointestinal disorders in animals (sheep, horses).

Discussion on rhubarb

1. "vegetation convenience prescription": promoting blood circulation, tonifying essence and strengthening strength. I can walk the meter. Smash the thick indigo jar water and rub the scabies and scabies.

2. Sichuan Chronicles of traditional Chinese Medicine: detoxification, clearing heat, relieving ringworm. Treat stool dryness.

3. "Chongqing Herbal Medicine": clearing fire, detoxification, clearing blood heat, promoting convenience. Treat hematemesis. Stir-frying with wine can regulate qi and collect blood and cure red collapse.

4. "Mindong Materia Medica": eliminating fever, killing insects, expelling pus and toxin. Treat alopecia alopecia, ringworm, furuncle, furuncle.

5. Qiqihar Chinese herbal medicine: for the treatment of hemorrhagic purple spot, thrombocytopenia and internal hemorrhage.

6. "Handbook of Plateau Chinese Herbal Medicine": clearing heat and cooling blood, moistening the intestines and relieving defecation. Treatment of acute hepatitis, abdominal distension due to amenorrhea, nameless swelling and toxin.

7. "selection of Shaanxi-Gansu-Ningqing Chinese Herbal Medicine": clearing heat and detoxification, reducing inflammation and swelling, and stopping bleeding.

Selection of medicinal prescription of rhubarb

1, cure dry tinea and wet tinea: rhubarb root juice six dollars, rice vinegar six dollars, withered alum powder one and five cents, mix well and wipe the affected part.

2. treatment of scabies: four taels of rhubarb and two taels of old gentleman. Stewed pork tube bone suit.

3, treatment of hematemesis: fresh cow ear rhubarb, stewed meat suit.

4. treatment of thrombocytopenic purpura: sheep's hoof five dollars. The water is fried in two doses, one dose a day.

5. treatment of avalanche and leakage, gastric ulcer bleeding, thrombocytopenia: rhubarb. Fried clothes in water, or half of rhubarb and half of cuttlefish bones, is the end. One dollar at a time.

6. to treat dysentery: rhubarb and five coins. Pan-fried suit.

7. Cure gonorrhea: five dollars for sheep's hoof and three for cicadas. Fried in water, take two times a day.