Diurnal accumulation of K-dependent L-asparaginase in leaf of common bean (Phaseolus vulgaris L.).

L-Asparaginase (EC 3.5.1.

Structural basis of potassium activation in plant asparaginases.

l-asparaginases (EC 3.5.1.

Vitamin A status of pregnant Nigerian women: relationship to dietary habits and morbidity.

Vitamin A status of pregnant Nigerian women has been determined by measurement of retinol concentration in plasma samples obtained from pregnant subjects, using a spectrophotometric method. The relationship between vitamin A status, dietary habits and morbidity pattern was also examined. Two hundred (200) consecutive pregnant women registered for antenatal clinic at the Obafemi Awolowo University Teaching Hospitals Complex within a period of eight (8) weeks were recruited as subjects.