【中藥材小知識】 紅芪 Hongqi

 

【名稱】	紅芪
【拼音】	Hongqi
【英文】	Manyinflorecenced Sweetvetch
【拉丁】	Hedysari Radix
【類別】	根及根莖類
【來源】	豆科植物多序岩黃芪Hedysarum polybotrys Hand.-Mszz.的乾燥根。
【產地】	主產甘肅等地。
【性狀】	該品呈圓柱形，少有分枝，上端略粗，長10~50cm，直徑0.6~2cm。表面灰紅棕色，有縱皺紋、橫長皮孔及少數支根痕，外皮易脫落，剝落處淡黃色。質硬而韌，不易折斷，斷面纖維性，並顯粉性，皮部黃白色，木部淡黃棕色，射線放射狀，形成層環淺棕色。氣微，味微甜，嚼之有豆腥味。
【品質】	以粉質多、味甘者為佳。
【性味】	甘，溫。
【功效】	補氣固表，利尿托毒，排膿，斂瘡生肌。用於氣虛乏力，食少便溏，中氣下陷，久瀉脫肛，便血崩漏，表虛自汗，氣虛水腫，癰疽難潰，血虛萎黃，內熱消渴，慢性腎炎蛋白尿，糖尿病。

Chinese Name	紅芪
Chinese Pinyin	Hongqi
English Name	Manyinflorecenced Sweetvetch
Latin Pharmaceutical Name	Hedysari Radix
Category	Roots and rhizomes
Origin	The dried root of Hedysarum polybotrys Hand.-Mszz.(Fabaceae)
Production Regions	Primarily produced in the Chinese provinces of Gansu.
Macroscopic Features	Cylindrical, few branches, upper portion is slightly is thick, 10~50cm long, 0.6~2cm diameter. Externally grayish-reddish-brown, with longitudinal wrinkles, horizontally-oriented lenticels and few lateral roots; outer skin easily falls off, leaving a pale yellow color underneath. Hard and pliable texture, difficult to break; fractured surface is fibrous and powdery, cortex is yellowish-white, xylem is pale yellowish-brown, with radial rays, cambium ring is pale brown. faint odor; slightly sweet taste, with a bean-like flavor when chewed.
Quality Requirements	Superior medicinal material has very powdery texture, and sweet taste.
Properties	Sweet; warm
Functions	Supplements qi, secures the exterior, promotes urination, expresses toxin, expels pus, closes sores, engenders flesh. Apply to deficiency qi and fatigue, low food intake and loose stools, sinking of qi of the middle, chronicly diarrhea and rectal prolapse, hematochezia, metrorrhagia and metrostaxis, deficiency exterior and sweating, edema due to deficiency of qi, unexpressive abscess and ulcer, skin expresses yellow due to deficiency of blood, diabetes induced by inner heat, chronicly nephritis proteinuria, diabetes.

資料來源：資料來源：中醫藥學院