This product is the dried rhizome of Zingiber officinale Rosc. Harvested in winter, remove the fibrous roots and sediment, sun-dried or dried at low temperature. When freshly sliced and dried in the sun or dried at low temperature, it is called dried ginger slices. Original form Ginger, perennial herb, 50-80cm high. fertile rhizome, yellow-white section, with a strong pungent smell. Leaves alternate, arranged in 2 rows, sessile, several clasping; ligule 2-4mm long; leaf blade lanceolate to linear-lanceolate, 15-30cm long, 1.5-2.2cm wide, apex acuminate, base narrow, leaf leathery sheath-like clasping, glabrous. Scape from the rootstock, 15-25cm long; spikes elliptic, 4-5cm long; bracts ovate, ca. 2.5cm long, light green, margin yellowish, apex with a small acumen; calyx tube ca. 1cm long, with 3 mucronate teeth; corolla yellow-green, tube 2-2.5cm long, lobes 3, lanceolate, less than 2cm long, middle lobe of labellum oblong-obovate, shorter than corolla lobes, with purple stripes and yellowish spots. with purple stripes and yellowish spots, both lobes ovate, yellowish green, with purple margins; stamen 1, dark purple, anther ca. 9m long, connective appendages wrapped around style; ovary 3-locular, glabrous, style 1, stigma subglobose. Capsule. Seeds numerous, black. August. Habitat distribution Produced in most parts of the country, mainly in Sichuan, Guizhou and other places. Taste Pungent, hot. Preparation Dried ginger: clean impurities, soak in water for 3-6 hours, pulled out, smothered, moistened and sliced or cut into small squares, dried in the sun. Gun ginger: ginger block, placed in a pot with a wu fire fry until the foam bulge, the outer skin is burnt yellow, yellow inside, spray a little water, remove, sun-dried. Characteristic Dried rhizome is flat, irregular tuberous, with finger-like branches. It is 4 to 6 cm long and 0.4 to 2 cm thick. Surface gray-white or gray-yellow, rough, with longitudinal wrinkles and obvious links; at the branches, there are often scaly leaf remnants. Firm texture, cross-sectional cheek granular, grayish white or yellowish, loose texture is showing veins, with tiny oil dots and a clear ring pattern. Aromatic, spicy taste. The solid texture, gray-yellow outer skin, gray-white inside, the broken surface of the powder enough, less sinew is preferred.
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