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Radix Gentianae

【Chinese medicine name】longdan [English name] Gentianae Radix Et Rhizoma. [Source] Gentianaceae Gentiana scabra Bge., Gentiana manshurica Kitag., Gentiana triflora Pall. or Gentiana rigescens Franch. Roots or rhizomes. Plant morphology Perennial herb, the radix gentiana whole plant is usually...

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【Chinese medicine name】longdan

[English name] Gentianae Radix Et Rhizoma.

[Source] Gentianaceae Gentiana scabra Bge., Gentiana manshurica Kitag., Gentiana triflora Pall. or Gentiana rigescens Franch. Roots or rhizomes.

Plant morphology Perennial herb, the radix gentiana whole plant is usually green and purplish. Short rhizomes, densely yellow-white wrinkled roots. Stems erect, stout, single. Leaves opposite, sessile, base slightly stalked, middle leaves larger, ovate or ovate-lanceolate, margins and leaf blade rudimentary, with 3 distinct main veins. Born in stems or leaf axils, corolla tube tubular-shaped, bright blue or dark blue, pleated triangle between lobes, 1/2 length of corolla, apex acuminate, rare with 2 teeth. Fruit.

[Origin distribution] radix gentiana was born in meadows and shrubs. Distributed in Heilongjiang, Jilin, Liaoning, Inner Mongolia and other places.

[Harvest processing] radix gentiana Roots and rhizomes can be excavated in spring and autumn, and the quality of autumn harvesters is better. Remove dirt, dry, or cut into sections and dry them for later use.

Herbal traits: The rhizomes are irregular, 0.5 to 3 cm long and 0.5 to 1 cm in diameter. The surface is grayish brown or dark brown. There are multiple stem marks or residual stem bases on the upper end, and the most slender roots are clustered around the lower end. . Cylindrical, slightly twisted, 10 to 20 cm long, 2 to 4 mm in diameter; surface yellowish or yellow-brown, with fine wrinkles in the upper part, longitudinal wrinkles and fine root marks on the lower part. Crisp, easy to absorb moisture and soften; section slightly flat, yellow-brown, yellow and white wooden parts, ring, the pith is obvious. Gas micro, extremely bitter taste.

Pharmacological research: Liver protection, gallbladder, anti-inflammatory, anti-allergy, sedation, hypothermia, anticonvulsant, analgesic, anti-pathogens, drive worms, lowering blood pressure, diuretic, stomach, excited small intestine, relaxation of skeletal muscles And so on.

[chemical composition]radix gentiana contains gentiopicrin, when the drug glycosides, sophocarpine C, hawthorn phenol, when the drug bitter glycosides, trace amounts of bitter drug ester glycosides, gentianine and gentisine. The leaves of gentian contain gentian, ferulic acid, salicylic acid, gentiopicrin, and swertiamarin.


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