Abstract
Description of the drugs: Root of Glycyrrhiza uralensis: Roots cylindrical, 25–100 cm long, 0.6–3.5 cm in diameter. The outer bark loose or tight. Externally reddish-brown or grayish-brown, obviously longitudinally wrinkled, furrowed, lenticel-like protruded and with sparse rootlet scars. Texture compact, structure slightly fibrous, yellowish-white, starchy, cambium ring distinct, rays radiate, some with clefts. Rhizomes cylindrical, externally with bud scars, pith present in the center of fracture. Odour, slight; taste, sweet and characteristic.
Root of Glycyrrhiza inflata: Roots and rhizomes woody and stout, some branched, the outer bark rough, mostly grayish-brown. Texture compact, lignified fibers abundant and less starchy. Rhizomes with more and large adventitious buds.
Root of Glycyrrhiza glabra: Texture of root and rhizome relatively compact, some branched, the outer bark not rough, mostly grayish-brown, lenticels small and indistinct.
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Wagner, H., Bauer, R., Melchart, D., Xiao, PG., Staudinger, A. (2015). Radix et Rhizoma Glycyrrhizae – Gancao . In: Wagner, H., Bauer, R., Melchart, D., Xiao, PG., Staudinger, A. (eds) Chromatographic Fingerprint Analysis of Herbal Medicines Volume III. Springer, Cham. https://doi.org/10.1007/978-3-319-06047-7_5
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