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Radix Asteris

[Chinese medicine name]ziyuan [English name] Tatarian Aster Root. [Source] Compositae Aster tataricus L.f. roots and rhizomes. Plant morphology: Perennial herb, 1 to 1.5 meters high. Short rhizomes, dense roots, and reddish roots. Stems erect, distal sparsely short hairs. Basal leaves clustered,...

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[Chinese medicine name]ziyuan

[English name] Tatarian Aster Root.

[Source] Compositae Aster tataricus L.f. roots and rhizomes.

Plant morphology: Perennial herb, 1 to 1.5 meters high. Short rhizomes, dense roots, and reddish roots. Stems erect, distal sparsely short hairs. Basal leaves clustered, oblong, 20-50 cm long, 6-12 cm wide, base splayed with winglike stalks, serrate margins, sparsely shaggy on both surfaces, petiole long, withered at anthesis; cauline leaves alternate, ovate Shaped or oblong, 18 to 35 cm long, 5 to 10 cm wide, gradually sessile. Inflorescences arranged in corymbose, long stems, densely short-brined; total scorpum spherulata, 3-segmented sepals, margin purplish red; ray flowers blue-purple, tube-shaped yellow flowers. Achenes are flattened with one side convex, one side straight, short hairs, crowns gray or reddish, and achenes 3–4 times longer. Flowering from July to August and fruiting from August to October.

 

[Origin distribution] was born on the slopes, grasslands and rivers. Hebei, Anhui and other places have a lot of cultivation. Distribution in Heilongjiang, Jilin, Liaoning, Hebei, Shanxi, Inner Mongolia, Anhui, Shaanxi, Gansu, Qinghai and other places.

[Harvesting and Processing]In spring and autumn, digging is carried out to remove knotted rhizomes (commonly known as "mother roots") and sediments, and to be braided and dried, or dried directly.

[Herb traits] Irregular lumps, different sizes, residues at the top with stems and leaves, slightly harder. Rhizomes clustered in many fine roots, 3 to 15 cm long, diameter 0.1 to 0.3 cm, and more braided into a braid; surface purple or gray red, longitudinal wrinkles; quality is more flexible. The gas is slightly fragrant, sweet and bitter.

[pharmacological research] modern pharmacological tests have confirmed that there are antitussive and antitussive effects, and have inhibitory effects on Staphylococcus aureus, Shigella, Salmonella typhi, Escherichia coli, Pseudomonas aeruginosa, and Vibrio cholerae; and also inhibit Mycobacterium tuberculosis effect. In addition, there are anti-virus, anti-cancer, hemolytic and diuretic effects.

[chemical composition] contains asterone, quercetin, no phlegm, no phlegm and volatile oil. Volatile oil contains geraniol, ethyl linolenate, anisole, hydrocarbons, fatty acids, aromatic acids, etc., and succinic acid is separated. Another purpura chlorcyclopentapeptide, rutin, purpuricin A, purpurin B, purpurin C, no sterols, linalool and other ingredients.

ZI WAN

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