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| 杜仲 |
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| 杜仲白絲 |
【名稱】杜仲
【拼音】Duzhong
【拉丁】Eucommiae Cortex
【類別】皮類
【來源】杜仲科植物杜仲Eucommia ulmoides Oliv.的乾燥樹皮。
【產地】主產貴州、四川、陝西、湖北等地。
【性狀】乾燥樹皮，為平坦的板片狀或卷片狀，大小厚薄不一，一般厚約3~10mm，長約40~100cm。外表面灰棕色，粗糙，有不規則縱裂槽紋及斜方形橫裂皮孔，有時可見淡灰色地衣斑。但商品多已削去部分糙皮，故外表面淡棕色，較平滑。內表面光滑，暗紫色。質脆易折斷，斷面有銀白色絲狀物相連，細密，略有伸縮性。氣微，味稍苦，嚼之有膠狀殘餘物。
【品質】以皮厚而大，糙皮刮淨，外面黃棕色，內面黑褐色而光，折斷時白絲多者為佳。
【杜仲性味】甘，溫。
【杜仲功效】補肝腎，強筋骨，安胎。治腰脊酸疼，足膝痿弱，小便余瀝，陰下濕癢，胎漏欲墮，胎動不安，高血壓。
Chinese Name：杜仲
Chinese Pinyin：Duzhong
English Name：Eucommia Bark
Latin Pharmaceutical Name：Eucommiae Cortex
Category：Tree barks and root barks
Origin：The dried tree barks of Eucommia ulmoides Oliv.(Eucommiaceae).
Production Regions：Primarily produced in the Chinese provinces of Guizhou, Sichuan, Shaanxi, Hubei.
Macroscopic Features：Flat board shape or roll shape, uneven thickness and size, often about 3~10mm thick, 40~100cm long. Externally grayish-brown, rough, irregular longitudinal grooves and horizontally-oriented oblique square lenticels, some has pale gray lichen patches. Commercial material has the outer rough skin removed and is externally pale brown and relatively smooth. Inner surface is smooth and dark purple. Brittle and easily broken; fractured surface has silvery-white connected silk-like threads that are thin and dense, with slightly elasticity. faint odor; taste slightly bitter; gluey residue when chewed.
Quality Requirements：Superior medicinal material has large and thick cortex, cleaned rough skin, externally yellowish-brown, inner surface is black-brown and lustrous, large amount of white threads.
Properties：Sweet; warm.
Functions：Supplements the live and kidney, strengthens sinew and bone, calms the fetus. Apply to aching pain in the loins and knees, weakness of legs and knees, drenching and unsmooth urination, vaginal dampness and itch, fetal leakage and abortion, restless fetal movement, hypertension.
Link： Medicinal Plant Images Database Chinese Medicine Formulae Images Database
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杜仲功效
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杜仲茶怎麼煮
杜仲粉
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杜仲的吃法
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