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Smoketree: a good medicine neglected and forgotten
Aug 28, 2018

From the perspective of herbal therapy, Quercus has not yet entered the Chinese Pharmacopoeia as a medicinal material, but there are many records of its medicinal functions in the Chinese medical books. The Collection of Materia Medica believes that Quercus can "eliminate fever, relieve alcohol and jaundice, and treat eye jaundice." However, the Japanese Huazi Materia Medica records that Quercus can "wash soup, fire, lacquer ulcer." And red eyes. In addition, there is a folk prescription circulating in North China that is said to treat dizziness, headache and insomnia caused by influenza with boiled water of oak. In addition to these seemingly unreliable partial prescriptions and records, the current clinical application of Quercus chinensis is mainly concentrated in four aspects.

1. Antibacterial and antivirus capabilities

In 1975, the bacteriostatic test in 371 Hospital of PLA showed that the decoction of Quercus chinensis had bacteriostatic and bactericidal effects on Staphylococcus aureus, Staphylococcus albicans, Para-Escherichia coli and Shigella flexneri, and had certain inhibitory effects on influenza A virus in Asia. In the later stage, it was considered that gallic acid was the antibacterial ingredient in the leaves.

2. Lowering blood pressure

In 1979, Tan Huaijiang carried out a clinical study on 29 patients with hypertension. Most of them took 10-30 grams of water oak Decoction daily, and their blood pressure returned to normal within 6 days. The effective rate was 93%. In 2009, Long Lihui et al. conducted similar experiments on dogs. The results showed that Quercus chinensis had obvious antihypertensive effect on dogs. Its active ingredients were related to flavonoids and quercetin.


3. Anti hepatitis activity

In 1975, 400 cases of acute hepatitis gangrene were studied in 371 Hospital of PLA. It was found that the cure rate could reach 80.30% after one course of treatment. Researchers also developed the anti-hepatitis active ingredient lacquer lutein into yellow oak syrup, which was then used by Jinan Military Command Chinese Medicine Research Center to treat more than 200 patients with jaundice. The jaundice of most patients disappeared in about 15 days, with an effective rate of 91.7%.

4. Anticoagulant and thrombolytic ability

In 2007, Cui Enxian et al. found that the water extract from the rhizome of Quercus platyphylla had good anticoagulant and thrombolytic ability. There was no significant difference between the water extract from the rhizome of Quercus platyphylla and aspirin enteric-coated tablets in shortening the length of thrombus, reducing the weight of thrombus and reducing the thrombus index. Researchers believe this may be related to the phenolic compounds contained in Quercus chinensis, a prescription that has been made into a "compound capsule of Quercus chinensis".


In addition, some friends often complain that there are few aromatic trees in the north, but they can not find suitable plant materials for making an aromatic classroom. In fact, similar to Platycladus orientalis, Quercus is also a good material for extracting essential oil, which is said to be popular with consumers in Greece. Ordinary yellow oak has so many uses, which makes me suddenly find that instead of trying to adjust the composition of the forest sanatorium, it is better to dig up existing resources.

Source of article: Forest convalescence

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