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Aluminum Bioavailability From Tea Infusion, Robert A. Yokel, Rebecca L. Florence
Aluminum Bioavailability From Tea Infusion, Robert A. Yokel, Rebecca L. Florence
Pharmaceutical Sciences Faculty Publications
The objective was to estimate oral Al bioavailability from tea infusion in the rat, using the tracer 26Al. 26Al citrate was injected into tea leaves. An infusion was prepared from the dried leaves and given intra-gastrically to rats which received concurrent intravenous 27Al infusion. Oral Al bioavailability (F) was calculated from the area under the 26Al, compared to 27Al, serum concentration × time curves. Bioavailability from tea averaged 0.37%; not significantly different from water (F = 0.3%), or basic sodium aluminum phosphate (SALP) in cheese (F = 0.1 to 0.3%), but greater than acidic SALP …