Rate of excretion of vitamin C in human urine |
The dosage of vitamin C necessary to maintain a level in the urine which could be detected using the 2,6-dichlorophenolindophenol assay was determined with undergraduate students. Students taking 250 mg daily did not excrete significant levels of vitamin C in their urine, while excretion increased at doses from 0.5 to 2 g. A 2 g daily dose caused detectable excretion from about 4 until 16 hr ...
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