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Radix Pulsatillae

[Chinese medicine name]baitouweng [English name] Pulsatillae Radix. [Source] Ranunculus Pulsatilla chinensis (Bge.) Regel roots. [Plant morphology] Perennial herb, up to 50 cm, densely covered with white villous. The main roots are thick, conical, and sometimes twisted, with a brownish husk. Ye...

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[Chinese medicine name]baitouweng

[English name] Pulsatillae Radix.

[Source] Ranunculus Pulsatilla chinensis (Bge.) Regel roots.

[Plant morphology] Perennial herb, up to 50 cm, densely covered with white villous. The main roots are thick, conical, and sometimes twisted, with a brownish husk. Ye Jisheng, 3 full-split, terminally small lobes with short stems, lateral leaflets sessile, sparsely lobed above, densely subaxial below. 1 to 2 flowering stems, elongated after flowering, densely villous, flowers simple, sepals 6, petal-shaped, purple, outer densely long woolly, stamens numerous, pistil with mostly free carpels, style filamentous, fruiting Prolonged, densely feathered white feathers. Achenes are densely integrated head-shaped, with slender, feathery persistent style at the top.

[Place of Origin] Born in the mountains, hills, and fields, he was born in the sunny place. Distribution in Heilongjiang, Jilin, Liaoning, Inner Mongolia, Hebei and other places.

[Treatment and processing] Roots are cut in the spring (April-June) or fall (August-September). Leaves and remaining stems and fibrous roots are removed. White root hairs are preserved, and the soil is cleaned and dried.

[medicinal properties] long cylindrical or conical, slightly curved, sometimes twisted and slightly flat, length 5 to 20 cm, diameter 0.5 to 2 cm. The surface is yellow-brown or tan, with irregular longitudinal wrinkles or longitudinal furrows. The middle part sometimes has 2 to 3 roots, and the leather part is easy to fall off to expose the yellow xylem, and it is often etched into pits. Pattern, the root of the head is slightly enlarged, sometimes bifurcated, with several layers of sheath-like petiole bases and young leaves remaining on top, dense white long hairs. Hard and brittle. Folded section is slightly flat, yellow-white, sometimes gaps appear between the skin and the xylem. Gas micro, slightly bitter taste. It is better to use thick, long and solid ones.

[Pharmacological studies] Decoction and its saponins have obvious anti-amoebic activity in vivo and in vitro, and its toxicity is very low. Water extraction and alcohol precipitation can significantly inhibit the survival time of transplanted tumors and tumor-bearing mice in vivo, and can also improve the body Immunity reduces spleen index and increases thymus index. Ethanol extract has various degrees of inhibitory effect on various bacteria and fungi in test tubes. The antibacterial active ingredients are original anemones and anemonin. Antibacterial, anti-amoeba, anti-pathogens, sedation, analgesic effects.

[chemical composition] The whole plant contains the original Pulsatillae, root contains triterpene saponin, aglycone and glucose and rhamnose after hydrolysis. In addition, it contains Pulsatilla saponin B4, betulinic acid, pulsatillae, Pulsatillae, shikimic acid and so on.

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