标准餐后空肠腔内铁的观察
Observations on iron in the jejunal lumen after a standard meal.
作者信息
Glover J, Jacobs A
出版信息
Gut. 1971 May;12(5):369-71. doi: 10.1136/gut.12.5.369.
Abstract
For two hours after the ingestion of a standard meal with an iron content of 3.45 mg there is a rise in iron concentration in the jejunal lumen. Initially this is in a high molecular weight form but there is a steady increase in the concentration of low molecular weight compounds. This is consistent with the gradual intraluminal transfer of iron from a mucopolysaccharide carrier to low molecular weight ligands before absorption.
摘要
摄入一顿铁含量为3.45毫克的标准餐后两小时，空肠腔内的铁浓度会升高。起初，铁以高分子量形式存在，但低分子量化合物的浓度会持续增加。这与铁在吸收前从粘多糖载体逐渐向低分子量配体进行腔内转移的情况相符。
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