1968 Volume 32 Issue 4 Pages 474-478
The usefulness of partially hydrolyzed polyvinyl alcohol (PVA_??_=500) was examined by the absorption and excretion from the gastro-intestinal tract of adult rat. About 86% of orally injected PVA was excreted in feces in 48 hr, but no excretion was observed in urine. More than 50% of PVA injected into heart was excreted in urine in 12hr, but no fecal PVA was observed. About 100%, of orally injected PVA was recovered in the gastro-intestinal tract killed 5.5hr after injection, but no PVA was observed in blood from the killed rats.
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