Utilization of urea nitrogen in Papua New Guinea highlanders

Toru RIKIMARU, Yoshiaki FUJITA, Toyoko OKUDA, Naemi KAJIWARA, Chigusa DATE, Peter F. HEYWOOD, Michael P. ALPERS, Hideo KOISHI
1985 Journal of Nutritional Science and Vitaminology  
The utilization of urea nitrogen was examined in 10 healthy adult men from a village near Lufa, in the Eastern Highlands Province of Papua New Guinea. The staple diet of these men was sweet potatoes . [15N]urea was used as tracer for urea released into their intestinal tracts and the utilization of the urea-N was estimated from the trend of 15N. The men were orally given [15N]urea at the beginning of the study and then their daily protein intake, serum protein levels, 15N excretion in the feces
more » ... retion in the feces and urine, 15N retention in the whole body and 15N incorporation into serum protein were examined.
doi:10.3177/jnsv.31.393 fatcat:act44t7irrcpziig5zrna2qmuy