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青風藤 Qingfengteng
Chinese Name |
青風藤 |
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Chinese Pinyin |
Qingfengteng |
English Name |
Ovientvine Stem |
Latin Pharmaceutical Name |
Sinomenii Caulis |
Category |
Stems and woods
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Origin |
The dried vine of Sinomenium acutum (Thunb.) Rehd. et Wils.(Apocynaceae) |
Production Regions |
Primarily produced in Yunnan province and eastern and southern China. |
Macroscopic Features |
Thin long cylindrical, 5~20mm diameter, externally grayish-brown or brown, with longitudinal wrinkles and horizontal lenticels, nodes are enlarged. Light, firm and brittle texture, easily broken, fractured surface is grayish-yellow or pale grayish-brown, not flat. Horizontal cut surface cortex is very narrow, xylem has ducts and rays in a radial arrangement, relatively large ducts, and center is round pith. faint odor, bitter taste. |
Quality Requirements |
Superior medicinal material has greenish-brown outer skin, even strip. |
Properties |
Bitter, acrid, neutral |
Functions |
Dispels wind-damp, frees channels, promotes urination. Apply to wind-damp impediment, joint swelling, paralysis and itching. |
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Technical Terms |
'Wheel radial striations’: This refers to a homogeneous radial arrangement of xylum rays seen on the cut surface, which were called “wheel spokes” in ancient literature. |
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Permanent URL:https://sys01.lib.hkbu.edu.hk/cmed/mmid/detail.php?pid=B00134
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