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代赭石系赤铁矿的矿石,主要含三氧化二铁。据文献报道,代赭石能促进红细胞和血红蛋白的新生,其有效成分是代赭石经还原后生成的容易被机体吸收的可溶性亚铁盐。目前,代赭石常用于小儿营养性缺铁性贫血,实验发现,代赭石的水煎出液中测不出亚铁盐。笔者根据古代对代赭石炮制强调多次醋淬的经验,将代赭石于不同的酸液中,以不同的煎煮时间进行煎煮,并分别测定各煎出液的亚铁盐含量。结果表明,代赭石作血分药入药时,用pH3的酸性水溶液煎煮3hr为宜。
The ore of the meteorite-based hematite mainly contains ferric oxide. According to reports in the literature, the substitute gangue can promote the renewal of red blood cells and hemoglobin, and its effective component is the soluble ferrous salt that is easily absorbed by the body after the reduction of the gangue stone. At present, DaiGanShi is commonly used in nutritionally iron-deficiency anemia in children. The experiment found that ferrous salts could not be detected in decoction of methoprene. According to the author’s experience in ancient times, the generation of vermiculite has emphasized the experience of multiple vinegar quenching. The gangue stone will be decocted with different decoction times in different acid liquids, and the ferrous salt content of each decoction will be determined. The results showed that when Dangshishi was used as a drug for blood fractionation, it was better to decoct with acidic solution of pH3 for 3 hours.