【石斛名稱】 石斛
【石斛拼音】 Shihu
【石斛英文】 Noble Dendrobium Stem Herb
【拉丁】 Dendrobii Caulis
【石斛類別】 全草類
【石斛來源】 蘭科植物金釵石斛Dendrobium nobile Lindl.以及鐵皮石斛Dendrobium officinale Kimura et Migo、馬鞭石斛Dendrobium fimbriatum Hook. var. oculatum Hook.的新鮮或乾燥莖。
【石斛產地】 主產于廣西、雲南、浙江、貴州等地。
【石斛性狀】 金釵石斛:莖中、下部扁圓柱形,向上稍“之”字形彎曲,長18~42cm,中部直徑0.4~1cm,節間長1.5~6cm。表面金黃色或綠黃色,有光澤,具深縱溝及縱紋,節稍膨大,棕色,常殘留灰褐色葉鞘。質輕而脆,斷面較疏鬆。氣微,味苦。
鐵皮石斛:莖細長圓柱形,常彎曲,盤繞成團或捆成把,長11~40cm,直徑1~3mm,節間長0.4~2.3cm。表面金黃色,有光澤,具細縱紋。質柔韌而實,斷面較平坦。葉鞘常短於節間,留有環狀間隙,味淡或微苦。
馬鞭石斛:莖細長圓錐形,上部有少數分枝,長30~150cm,直徑2~8mm,節間長2~4.5cm。表面棕黃色,有8~9條縱溝。質疏鬆,斷面纖維性。氣微,味微苦。商品常切成1.5~3cm長段,切面灰白色。
【石斛品質】 以金黃色、有光澤、質柔韌者為佳。
【石斛性味】 甘,微寒。
【石斛功效】 養陰清熱,益胃生津。用於熱傷津液,低熱煩渴,舌紅少苔;胃陰不足,口渴咽乾,嘔逆少食,胃脘隱痛,舌光少苔;腎陰不足,視物昏花。
【石斛注解】 “鐵皮楓斗”:指鐵皮石斛減去部分鬚根後,邊炒邊扭成螺旋形或彈簧狀,烘乾,習稱“鐵皮楓斗”。
Chinese Name :石斛
Chinese Pinyin:Shihu
English Name:Noble Dendrobium Stem Herb
Latin Pharmaceutical Name:Dendrobii Caulis
Category:Whole herbs
Origin:The fresh or dried stem of Dendrobium nobile Lindl., Dendrobium officinale Kimura et Migo, Dendrobium fimbriatum Hook. var. oculatum Hook. (Orchidaceae).
Production Regions:Primarily produced in the Chinese provinces of Guangxi, Yunnan, Zhejiang, Guizhou.
Macroscopic Features:Dendrobium nobile Lindl.: middle and lower portion of stem is flat cylindrical, curved in ‘之-shape’ upward, 18~42cm long, middle diameter is 0.4~1cm, internode is 1.5~6cm long. Externally golden-yellow or greenish-yellow, lustrous, with deep longitudinal groove and longitudinal lines, joint is slightly enlarged, brown, often remains grayish-brown leaf sheath. Light and brittle texture, fractured surface is relatively loose. faint odor, bitter taste.
Dendrobium officinale Kimura et Migo: thin and long cylindrical, often curved, coiled into clusters or tied into bundles, 11~40cm long, 1~3mm diameter, internode is 0.4~2.3cm long. Externally golden-yellow, lustrous, with thin longitudinal lines. Soft and pliable texture, fractured surface is relatively flat. Leaf sheath is often shorter than the internode, remains circular gap, tasteless or slightly bitter taste.
Dendrobium fimbriatum Hook. var. oculatum Hook.: thin and long cylindrical, upper portion has few branches, 30~150cm long, 2~8mm diameter, 2~4.5cm internode. Externally brownish-yellow, has 8~9 longitudinal grooves. Loose texture, fractured surface is fibrous. faint odor, slightly bitter taste. merchandise often cut in to sections with 1.5~3cm, cut surface is grayish-white.
Quality Requirements“”Superior medicinal material is golden-yellow, lustrous, soft and pliable.
Properties:Sweet, slightly cold
Functions;Nourishes yin, clears heat, supplements stomach, engenders fluid. Apply to consumption of body fluid caused by febrile disease, vexation with low fever, red tongue and less moss, deficiency of stomach yin, thirst and dry throat, hiccup and lack of food intake, abdominal dull pain, deficiency of kidney yin, blur vision.
Technical Terms:Tie pi feng dou’: This refers Dendrobium officinale Kimura et Migo that has had a portion of its rootlets removed, then is stir-fried and twisted into a spiral shape or a coil shape before being oven-dried. It is also called tie pi feng dou, or er huan shi hu.