Abstract
Summary
Compared with animals fed the control diet, PMP oxidase activity decreased significantly in the livers, kidneys, and brains of young rats fed a riboflavin-deficient purified diet for 6 weeks. PMP oxidase activity in tissues from rats fed a pyridoxine-deficient diet was not different from controls. PMP oxidase activity was more sensitive than the EGR activity coefficient to the degree of riboflavin depletion. It was concluded that PMP oxidase activity was a sensitive and specific index of riboflavin status.
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