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作者: Professor Chen Dazhen Picture source: Professor Zhang Xianzhe“Illustrated Book of Authentic Medicinal Materials”
In the previous article, we introduced the source, processing, application, and toxicity of traditional Chinese medicine cinnabar. For details, please see this webpage (http://en.whatsintcm.com /post2/), this time we will introduce lead iron.
“The Peony Pavilion” written by Tang Xianzu of the Ming Dynasty records: “Thinking of Han Guang, washing away the brilliance, making it windy and elegant, making the room suitable for home.” Among them, “washing away the brilliance” is to remove the makeup from the face. Wash it all off, which is used to describe people returning from a gorgeous life to a dull life, because lead was added to ancient cosmetics, and lead powder is lead powder used in ancient cosmetics to whiten the skin. It is also used to describe the beauty of women. .
Lead Pill of traditional Chinese medicine (http://en.whatsintcm.com/ dt_articles/%E9%89%9B%E4%B8%B9/) The main component is lead trioxide (Pb3O4), because The appearance color is slightly different, so it is also called Huang Dan, Hong Dan, Zhu Dan, etc. There are many other aliases such as Zhen Dan, Song Dan, Zhang Dan, Lead Yellow, etc. In the Qin and Han Dynasty (Shen Nong’s Materia Medica), there is a record of the lower grade in the Jade Department: “Lead Dan, pungent and slightly cold in taste. It is mainly used to treat cough and stomach reflux, epilepsy, epilepsy, remove heat and reduce qi. Refining and refining also “Cheng Jiuguang. Jiufu Tongshenming. Shengpingze” shows that lead pill has been used since the Qin and Han Dynasties, and its use and discovery have been very long. The lead lead currently available in the market is usually an orange-red or orange-yellow powder. Its texture is heavy, opaque and dull. It is insoluble in water or alcohol, but can be dissolved in hydrochloric acid or nitric acid. It will release oxygen when heated. Others will turn into white precipitates of lead oxide.
Lead lead is mainly made by melting black lead and alum and stirring them together. After cooling, take them out to form lead oxide blocks. After grinding the blocks, add water and stir them. Take out the fine powder floating on the water and place them separately. There is silence in the tank. Then take the water droplets and dry them in the sun. After slowly heating them in an iron pot for a day, take them out and grind them into fine powder for later use. The best ones are of good quality and will not form lumps when exposed to water. Another common mineral-based traditional Chinese medicine, Mi Tuoseng (http:/ /localhost/tcm/dt_articles/%E5%AF%86%E9%99%80%E5%83%A7/) are similar drugs and should be distinguished when using them.
Lead Dan Modern pharmacological research shows that it can kill bacteria and parasites and inhibit mucus secretion. It is effective in astringent, myogenic, analgesic, calming the nerves, treating sores and bleeding, nausea, diarrhea, etc. However, there may be concerns because the medicine contains lead. Excessive use or long-term use may cause hepatomegaly or an increase in jaundice index. Therefore, Taiwan’s Chinese Medicine Competent Authority banned the manufacture of lead-containing lead-containing oral traditional Chinese medicine in 1991. Adjustment and supply. Symptoms of early lead poisoning may include nausea, vomiting, constipation, tremors, convulsions, etc. If you have the above symptoms, you can check whether there are gray and black linear lead deposits on the gums. If you are suspected, you should go to the hospital for kidney function, liver function and In the blood test, if you see “blue colored red blood cells” in the blood smear, which is the so-called blue stippling (basophilic stippling) red blood cells, it should be lead poisoning.
However, due to its good myogenic and astringent effects, Huang Dan is still added for external use “Jiajiawei Taiyi Cream”, which is a common external patch ointment, to treat bruises, muscle and bone aches, and joint pain. However, in order to prevent overuse from causing adverse reactions to the body, Taiwan’s Traditional Chinese Medicine Competent Authority also announced in 2015 that all traditional Chinese medicine preparations containing lead and realgar should be printed with the words “This product is not suitable for long-term use” on the outer packaging and instruction manual. ” precautions to ensure that consumers feel at ease when using it. Therefore, how to effectively manage traditional Chinese medicine is the greatest guarantee for the well-being of the entire people.