在美国乃至全世界,婴儿和儿童的铁缺乏和缺铁性贫血仍然是一个问题。尽管有一些强化铁的婴儿配方食品可供选用,但6～24个月婴儿的铁摄入量可能还远远达不到维持最佳营养状态的量。虽然衰老红细胞中的铁循环再利用率很高,但是对于生长发育很快的一岁婴儿,每天用于红细胞合成所需铁量的30％必须由膳食供 Iron deficiency and iron-deficiency anemia in infants and children remains a problem in the United States and throughout the world. Although some iron-fortified infant formulas are available, the iron intake of infants from 6 to 24 months may not be able to maintain their optimal nutritional status. Although the rate of iron recycling in aged red blood cells is high, 30% of the amount of iron needed per day for red blood cell synthesis for a one-year-old infant who grows fast must be supplied by the diet