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过去,明矾常用来净化水。但如今,有人却利用明矾处理中药,使药材超出原来重量.以求卖个好价钱。大量服用被明矾浸泡过的中药,会对健康造成不良影响。明矾的化学成份为硫酸铝钾,含有铝离子,过量摄入会影响人体对铁、钙等成分的吸收,导致骨质疏松、贫血,甚至影响神经细胞,尤其对儿童和老人不利。用明矾浸泡中药材后再晾干,称为打矾。由于吸收了部分明矾结晶,中药材的重量
In the past, alum used to purify water. But nowadays, some people use Alum to process traditional Chinese medicine so that the medicinal material exceeds the original weight. In order to sell a good price. A large number of Chinese medicines soaked in alum can have adverse health effects. Alum’s chemical composition is aluminum potassium sulfate, containing aluminum ions, excessive intake will affect the body’s absorption of iron, calcium and other components, resulting in osteoporosis, anemia, and even affect nerve cells, especially for children and the elderly. After soaking Chinese herbal medicine with Alum, it is dried and called burping. Due to absorption of part of alum crystals, the weight of Chinese herbal medicines