Disler P B, Lynch S R, Charlton R W, Torrance J D, Bothwell T H, Walker R B, Mayet F
Gut. 1975 Mar;16(3):193-200. doi: 10.1136/gut.16.3.193.
The effect of tea on iron absorption was studied in human volunteers. Absorption from solutions of FeCl3 and FeSO4, bread, a meal of rice with potato and onion soup, and uncooked haemoglobin was inhibited whether ascorbic acid was present or not. No inhibition was noted if the haemoglobin was cooked. The effect on the absorption of non-haem iron was ascribed to the formation of insoluble iron tannate complexes. Drinking tannin-containing beverages such as tea with meals may contribute to the pathogenesis of iron deficiency if the diet consists largely of vegetable foodstuffs.
在人类志愿者中研究了茶对铁吸收的影响。无论是否存在抗坏血酸，从FeCl3和FeSO4溶液、面包、一顿米饭加土豆和洋葱汤以及生血红蛋白中的铁吸收均受到抑制。如果血红蛋白经过烹饪，则未观察到抑制作用。对非血红素铁吸收的影响归因于不溶性鞣酸铁络合物的形成。如果饮食主要由植物性食物组成，用餐时饮用含单宁的饮料如茶可能会导致缺铁性贫血的发病机制。
