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天麻是名贵的中药材,随着野生天麻资源的逐渐短缺,天麻已被列入国家保护的三级濒危植物。这些年,虽然人工栽培天麻进展很快,但由于需用量大,市场短缺,价格坚挺,一些不法分子就乘机而入,以假充真。为此将天麻的真假识别方法介绍如下:真天麻。有八大特征:①地下块茎为卵圆形或椭圆形,经加工蒸制干燥后通常呈长椭圆形,略扁,有的弯曲,长5～12厘米,宽2～6厘米,厚0.5～5厘米。②微透明,外表呈黄白色或淡黄棕色。③在顶端有干枯芽
Gastrodia is valuable Chinese herbal medicines, with the gradual shortage of wild gastrodia resources, Tianma has been included in the national protection of three endangered plants. In recent years, artificial cultivation of Gastrodia progress rapidly, but due to the large amount of demand, the market shortage, prices firm, some criminals took the opportunity to fake truth. To this end Gastrodia authentic identification methods are described below: Real Tianma. There are eight characteristics: ① underground tubers are oval or oval, after processing steaming drying is usually oval, slightly flat, and some curved, 5 to 12 cm long, 2 to 6 cm wide and 0.5 to 5 thick cm. ② micro-transparent, the appearance of yellow-white or yellowish brown. ③ dry bud at the top