Studies in carotenogenesis. 1. General conditions governing β-carotene synthesis by the fungus <i>Phycomyces blakesleeanus</i> Burgeff

Abstract

1. The amount of pseudo-cholinesterase in the livers of adult male rats decreased from 96 to 70 units/100 g. initial body weight during a 6-day fast, but the activity per g. liver changed very little, and the activity of the serum enzyme remained constant at 7-1 units/ml. serum.