heme

1.There are 2 kinds of iron available from food - Haem (or heme) iron - found in meats and fish,Non haem (or non heme) - found in plant sources such as vegetables, legumes and cereals/grains.

从物中可以获取两种铁:血红素铁，可以在肉和鱼中获得。非血红素，可以在蔬菜、豆、物中获得。

2.They are rate-limiting enzymes that degrade heme into same moles of dehydrobilirubin(biliverdin),CO and Fe.

血红素氧合酶催血红素降解为同摩尔的一氧碳、胆绿素和铁,胆绿素在胆绿素还原酶作用下,迅速生成胆红素。