There are many kinds of Chinese herbal medicines, and the medicinal parts are not the same. The method and focus of observation are not exactly the same. The points for attention in the identification of various parts of Chinese herbal medicines are summarized as follows: 1. Roots (rhizome) categories: Attention should be paid to the size and shape of the herbs, such as the conical shape of the radix salviae miltiorrhiza, radish-cylindrical, pinellia spherical, and rhubarb; , such as color, smooth or rough, with or without cracks, wrinkles, and lenticels; texture, such as aconite hard, codonopsis pilosicoli, jaundice fiber, and powder; odor, such as angelica sweet and bitter, a bitter Very bitter; cross-section, then identified an important role, such as the monocotyledon root obvious pith, dicotyledonous plant root common chrysanthemum pattern and no pith, rhizomes are often equal to the oil point. Second, stems and wood species: should pay attention to observe the shape, usually cylindrical or square columnar, such as basil stems are distorted, such as Millettia; surface, grass stems shrink more than shrinkage, woody stems and more smooth as mulberry, Some sections of the Ministry of expansion such as bone Jin Sulan. In addition, observe lenticels, bud marks, and remaining shoots, etc.; texture, cross-section, grass stems more hollow, easy to break, fibrous, wood stem more rigid, radial rays or rings; odor, such as Guizhi spicy . Third, the skin (including root bark and dry skin): should pay attention to observe the shape, such as cork plate, Magnolia Roll shape; outer surface, such as Dan Pi smooth, Digupi scales, in addition to see wrinkles, skin hole Etc.; cross-section, such as cinnamon granules, Chuanxiongpi fibrous, Cork split sheet, eucommia silk; odor, Liu Liupi gas smell bitter. Fourth, the whole grass: for the herbaceous plant or the aerial part of the whole plant, identification should be observed when its roots, stems, leaves, flowers, fruit, seeds and Other parts. In the process of identifying Chinese herbal medicines, if there is any doubt, it must be checked and compared with authentic specimens or other identification methods. China Agricultural Network Editor
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