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  • Title: Zinc absorption in humans from meals based on rye, barley, oatmeal, triticale and whole wheat.
    Author: Sandström B, Almgren A, Kivistö B, Cederblad A.
    Journal: J Nutr; 1987 Nov; 117(11):1898-902. PubMed ID: 2824731.
    Abstract:
    The absorption of zinc from meals based on 60 g of rye, barley, oatmeal, triticale or whole wheat was studied by use of extrinsic labelling with 65Zn and measurement of the whole-body retention of the radionuclide. The cereals were prepared in the form of bread or porridge and were served with 200 mL of milk. The oatmeal flakes were also served without further preparation. The absorption of zinc was negatively correlated to the phytic acid content of the meal with the highest absorption, 26.8 +/- 7.4%, from the rye bread meal containing 100 mumol of phytic acid and the lowest, 8.4 +/- 1.0%, from oatmeal porridge with a phytic acid content of 600 mumol. It is concluded that food preparation that decreases the phytic acid content improves zinc absorption.
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