据资料报道:沈阳冶炼厂职工医院与沈阳医学院卫生教研组于1972年1974年作了苹果果胶驱铅实验(2次)和菠萝皮提取物驱铅实验。实验选择13名和30名铅中毒工人作为观察对象。每人每天分别服果胶1000毫升(4克左右)、500毫升,同时对13名铅中毒工人用汕头制作菠萝皮提取物作驱铅临床观察。观察结果:口服苹果果胶未见到尿铅排出增加,反而下降,粪铅排泄增加,血铅测 According to the information reported: Shenyang Smelter Workers Hospital and Shenyang Medical College Health Teaching and Research Section in 1972, made apple pectin-driven lead test (2 times) and pineapple skin extract lead-removing experiment. Thirteen and thirty lead poisoning workers were selected as the experimental subjects. Pectin per person per day, respectively, 1000 ml (4 grams or so), 500 ml, while 13 lead poisoning workers in Shantou made pineapple skin extract for lead-driven clinical observation. Observations: Oral apple pectin did not see urine lead excretion increased, but decreased, fecal excretion increased, blood lead