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植物花與果實中之黄或橘黄色素,多半係黄鹼體(flavone derivatives),此种色素與鋁鹽、鉻鹽、鐵鹽等相配合,可得多種不同颜色之染料。但現已由人造染料取而代之。植物色素之醫療價值,近亦被醫药界所注意,因維生素E,維生素P,及抗毛細管脆性之蘆丁(rutin)等之分子構造式,亦係黄鹼體。国產药材蒲黄,係香蒲花蕊之粉,色黄,產湖北、山東兩省,中醫用作止血药。上海余雲岫醫師,
Plant flowers and fruits of yellow or orange pigment, most of the Department of flavonoids (flavone derivatives), this pigment and aluminum salt, chromium salt, iron salt, etc., can be a variety of different colors of the dye. But now replaced by man-made dyes. The medical value of plant pigments has also recently attracted the attention of the pharmaceutical industry. Due to the molecular structure of vitamin E, vitamin P, and rutin, which is resistant to capillary fragility, it is also a yellow base. Domestic medicine Puhuang, Department of cattail flower powder, color yellow, Hubei and Shandong provinces, Chinese medicine for hemostatic. Shanghai Yu Yun Xiu physicians,