To determine the relation hip between dietary and biochemical data and to evaluate the suitability of various parameter a criteria of nutrition status, an intercorrelatory study was carried out on data from a comprehensive nutrition status survey on schoolchildren aged 7 -15 years from the 4 main racial group (White, Bantu, Coloured and Indian) in the Pretoria area.
The content of nucleic acid and protein of the intestinal mucosa was measured in children with kwashiorkor using serial biopsy specimens. It was found that R A, D A and protein content and ratios did not change to a significant degree between admission to hospital and recovery.
Although the ! Kung Bushmen living in the Dobe area in Botswana have a choice of 85 different species of edible plants, only one is classified as a primary food; 8 are classified as major, 14 as minor, 32 as supplementary, 13 as rare and 17 as problematic.