Excretion of vitamin C in urine by normal adults.

Harris and Ray (1935) reported that 11.74 to 38.1 mg of vitamin C was excreted in urine per day in healthy European subjects. Mosl of the Indian Workers have noted a lower output. Chakraborty and Roy obtai:led an average of 9.65 mg vitamin C excretion per day in two subjects. Ranganathan and Sankaran(1937) found low figure of7.6 to 9.4 mg per day in four adults, and 10.8 to 27.0 mg in 5 Sikh and 5 British soldiers in their series in Coonoor and Wellington. Basu and Ray (19·lD) obtained a daily excretion in 6 adults from 2.4 to 19.0 mg per day. Banerjee (1950) reported the urinary ascorbic acid excretion of 16 ± 92 mg in 24 hours in his subjects which after the administration of 5 mg of ascorbic acid pcr pound body weight rose to 288 ± 67 mg on the first day and 349 ± 92 mg on the second day. Hence excretion of vitamin C by normal adults in Baroda, was studied in May, 1960.