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由于我医院党委的领导和药局全体同志的努力,经过一个多月的时间(包括材料的收集、计划、试验),我们于四月中旬成功地从“油脚”中提出了脑磷脂和卵磷脂。现将方法介绍如下。在豆油精炼时,有一种黄色的或黄褐色的沉淀物,沉于油池底部,此沉淀物称为“油脚”。目前我国多用油脚做肥料、肥皂、粗质糕点。油脚经低温干燥后即成为粗制大豆磷脂类,其中含磷脂约达50%之多,其他约含豆油30%,杂质12%,水分8%。根据有关文献记载,在此类磷脂内约含卵磷脂
Due to the leadership of the party committee of our hospital and the efforts of all the comrades in the pharmacy, more than a month’s time (including the collection, planning and testing of materials), we successfully raised cecropin from “oil feet” in mid-April And lecithin. Now the method described below. In soybean oil refining, there is a yellow or brown precipitate, sink in the bottom of the pool, this precipitate is called “oil feet ”. At present, China use more oil feet to make fertilizer, soap, thick pastry. Oil feet after low temperature drying becomes crude soy lecithin, phospholipids containing up to about 50% as much as about 30% of other soybean oil, impurities 12%, moisture 8%. According to the literature, about lecithin in such phospholipids