About Chinese herb – herba ephedrae(Ma Huang)
Herbal Ephedrae. Ce Dun woodAlias Lonza, dog bone, inferior phase, humble salt. Ephedra is the dried herbaceous stem of Ephedra sinica Stapf, Ephedra intermedia Schrenk et C. A. May. or Ephedra equisetina Bge. (Fam. Ephedraceae).Pungent and slightly bitter; warm in nature; and is distributed to the Lung and Urinary Bladder Channels. Main Active Ingredient: total alkaloids, ephedrine (C10H15NO).
Herb of Ephedra sinica Slenderly cylindrieal, infrequently branched, 1-2mm in diameter. Some with a few brown woody stems. Externally pale green to yellowish-green, with fine longitudinal ridges, slightly rough. Nodes distinct, internodes 2-6cm long. Scaly leaves on the nodes membranous, 3-4mm long, with 2 lobes (rarely 3), acutely triangular, apex greyish-white, reversed, base tubular and reddish-brown in colour. Texture light, fragile, and easily broken, fracture slightly fibrous with greenish-yellow edge and subrounded reddish-brown pith. Odour, slightly aromatic; taste, astringent and slightly bitter.
Herb of Ephedra intermedia Frequently branched, 1.5-3mm in diameter, rough. Internodes 2-6cm long, membranous scaly leaves 2-3mm long, with 3 lobes (rarely 2), apex acute. Fracture showing a trangular rounded pith.
Herb of Ephedra equisetina Frequently branched, 1-1.5mm in diameter, without rough feeling. Internodes 1.5-3cm long. Membranous scaly leaves 1-2mm long, with 2 lobes (rarely 3), the upper part short-triangular, greyish-white, apex infrequently reversed, base brownish-red to brownish-black.
To induce perspiration for dispelling cold, to relieve asthma, and to cause diuresis.Herba Ephedrae (processed with honey) To moisten the lung and relieve cough.
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