Nutritional status and physical working capacity.

In a population of schoolchildren aged 12-15 years in which biochemical deficiencies of vitamin C, riboflavin and pyridoxine affected 30.0, 33.9 and 17.

Zinc nutrition and taste acuity in school children with impaired growth.

A study on the relationship between zinc nutrition status and the parameters of growth and physical development was carried out in a group of school children aged 9 to 12 years, selected from a population showing a higher prevalence of "below average" hair zinc concentrations. The growth of the children was assessed as the attained height for age in comparison with the reference population median, whereas the physical development was assessed on the basis of the weight for height and upper arm circumference. Taste acuity was also examined.

The effects of riboflavin administration on iron metabolism parameters in a school-going population.

The effect of riboflavin administration on iron metabolism was studied in a group of riboflavin-deficient children with Erythrocyte Glutathione Reductase (EC 1.6.4.