Dryopteris Extract

What is Dryopteris Extract?

Dryopteris crassirhizoma extract, a perennial herb in the fern family, is used in traditional Chinese medicine. Other names for it include Guanjie, Guanqu, Baitou, Hujuan, and Bianfu. It has a bitter taste, is slightly cold, and is somewhat poisonous. It clears heat, cleanses the body, gets rid of parasites, cools the blood, and stops bleeding. It is clinically used to treat sicknesses, for example, wind-heat chilly, sodden intensity rash, heaving blood, blood in the stool and metrorrhagia. The chemical components, pharmacological effects, and clinical applications of these kinds of plants have been the subject of extensive study in recent years by chemists and medical scholars, who have also isolated and identified various components and pharmacologically active substances. It is extremely useful in clinical settings.

The research on the chemical composition focuses more on pod fern Guanzhong and Dryopteris Extract. Isoquercitrin, astragalus glycosides, pryopterin, guanzhongsu, guanzhong glycosides, rhododendron, cymcorol, basaltic acid, theophylene CD, Adiantum ketone, and other compounds can be found in the aerial parts of Mianma Guanzhong, which include the base of the leaves and stems. Phloroglucinol compounds, such as syringic acids, are found in Mianmaguanzhong (Mianma schizofern Chemicalbook, thick-stem phyllophyllum), which includes astragalus and new cotton Ma Su et al., These substances have antihelminthic and cancer-fighting properties. Catechol derivatives make up the majority of dog spines. Osmunda japonica extract principally contains apical leaf ecdysterone and hydroxyl ecdysterone.

Basic Information:

Dryopteris Extract Benefits:

1. Deworming effect

Thick-stemmed fern, that is, Northeast Dryopteris Extract, the root is called Mianma, containing 49.17% Filicin, which can be used as a substitute for Dryopterisfilixmas (L.) Schott to drive away tapeworms. Oumianma can paralyze tapeworms and has a long history of application. According to domestic reports, Guanzhong (unidentified variety) is effective against Ascaris suum in vitro. Drichoptera also repels bovine liver leeches. Its compound decoction has curative effect on bovine fascioliasis and broad fluke.

2. Antiviral effect

According to reports from Shanghai, Guanzhong has a strong inhibitory effect on influenza virus (primary influenza A PR8 strain, Asian A virus) in the chicken embryo test, and is also effective in the mouse (nasal drip) test, but the effect is weaker. This antiviral effect is related to its tannic acid content (14.5%). Shaanxi also reported that dryopteris crassirhizoma extract has inhibitory effects on influenza virus A (PR8), Asian A (57-4), B (Lee), C (1233), and D (Sendai). In the tissue culture of primary monolayer cells of human embryonic kidney, it has also been proved that Osmunda japonica extract is resistant to adenovirus type 3 of No. 479, polio type II of No. 72, Aike type 9 of No. 44, Coxsackie type A9, Coxsackie type Seven representative virus strains including B5 type, Japanese encephalitis (Jingweiyan 1 strain), and herpes simplex No. 140 have strong antiviral effects. Omega’s water decoction also has the effect of anti-herpes simplex virus.

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