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Radix Stephaniae Tetrandrae

【Chinese medicine name】 fangji [English name] Radix Stephaniae Tetrandrae. 【Source】 The root of Stephania tetrandra S. Moore, a tetracycline plant, has been controlled. [Plant form] Perennial winding vines. Root cylindrical, sometimes massive, with pale brown or tan. Stems flexible, cylindrical,...

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【Chinese medicine name】 fangji

[English name] Radix Stephaniae Tetrandrae.

【Source】 The root of Stephania tetrandra S. Moore, a tetracycline plant, has been controlled.

[Plant form] Perennial winding vines. Root cylindrical, sometimes massive, with pale brown or tan. Stems flexible, cylindrical, sometimes slightly twisted, with fine stripes, branches glabrous, base slightly reddish. Leaves alternate, soft and thin, petiole shieldlike, length equal to leaves; leaf blade nearly round, apex acute, base truncate or slightly cordate, entire, both surfaces pubescent, green above The gray green below. Flowers small, dioecious, capitate cymes; male calyx 4, succulent, triangular-shaped, base cuneate, outer hairy, petals 4, slightly semiorbicular, margin slightly incurved, clawed, stamens 4 Anthers suborbicular; female flowers with calyx, petals and male flowers as many as without staminodes, carpels 1, styles 3. Stone fruit spherical. Flowering from May to June, fruiting period from July to September.

【Origin of origin】Prevented from the edge of grass and shrubbery on hillside and hilly areas. Located in Jiangsu, Anhui South, Zhejiang and other places.

【Cultivation and Processing】In the fall, digging, washing or scraping cork, cut into long segments, 2~4 lobes of coarse roots, dried in the sun.

Medicinal properties : irregular cylindrical, semi-cylindrical block or piece, often curved, such as nodular, 3 to 10 cm long and 1 to 6 cm in diameter. The skin of the cork was light gray-yellow, and the dark brown cork remained. There was a deep ditch in the bend. Weight, solid quality, flat section, pale to yellow-white, powdery, sparsely arranged radial texture, longitudinal profile grayish white, vascular light brown, curved rib veins texture. Gas slightly, bitter.

Pharmacological research: Anti-pharmacological effects such as analgesia, anti-inflammation, anti-allergy, relaxation striated muscle, etc., have anti-hypertension, anti-cardiac positive muscle strength, anti-arrhythmia, anti-myocardial ischemia, anti-ventricular hypertrophy etc. in the cardiovascular system. effect.

[chemical composition] Radix Stephaniae Tetrandrae has contained a variety of alkaloids, which are mainly tetrandrine, demethylated tetracycline, cyclopentenone, oxidized anti-aldoine, anti-enolinoline and so on. Colorimetry and thin layer chromatography can be applied to determine the content of total alkaloids, tetrandrine and desmethyltetracycline.


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