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据报导,人奶中铁、铜和锌的研究较多,锰的研究很少。人奶中锰的含量波动范围很大,平均值范围为7～120μg/l。至今尚无不同哺乳阶段人奶中锰的含量的资料。由于1935～1972年间有关人奶内含锰量的报告数值不一(附表),已影响到婴儿食品中锰的推荐标准;如1971年食品法典委员会推荐在婴儿奶制品配方中的最低Mn的浓度为200μg/100千卡(1971年Codex Committee),而到了1976年改成了5μg/100千卡(1976年Codex Com- mittee)。为此,作者对赫尔辛基妇女哺乳不同阶段人奶含锰量做了长期系统研究。研究对象系选27名健康的妇女,从哺乳第2周至第31周共
It is reported that human milk iron, copper and zinc more research, little research on manganese. The content of manganese in human milk fluctuates widely, with an average range of 7 to 120 μg / l. So far no different breast-feeding stage of human milk manganese content information. Since the report on the amount of manganese contained in human milk between 1935 and 1972 varied in value (Schedule), the recommended standard for manganese in infant foods has been affected; as recommended by the 1971 Codex Alimentarius Commission for the minimum Mn in infant formula At a concentration of 200 μg / 100 kcal (Codex Committee, 1971), it became 5 μg / 100 kcal by 1976 (Codex Comite mittee). To this end, the authors made a long-term systematic study of the amount of manganese in human milk at different stages of breastfeeding in Helsinki. The study selected 27 healthy women, from breast-feeding from the second week to the 31st week