Abstract
Summary
A comparison has been made of the fermentable chromogen content in several lots of 2 commercial brands of ampuled inulin. It is shown that as much as 50% of some currently available ampuled inulin cannot be recovered after mixing with yeast. A lower creatinine/ampuled-inulin clearance ratio has been found in dogs when samples of plasma and urine are treated with yeast prior to analysis. This indicates that when present, fermentable material is probably reabsorbed by the renal tubule. Ampuled inulin suspected to contain it should not be used for measuring nitration rate unless all samples are yeasted before analysis.
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