In this respect, the maximum value of soluble protein contents amounted to 275 %
of that the control cultures when the algal cultures subjected to 4.5 ppm MgCl2 and
treated with 200 ppm ascorbic acid. Also, the maximum values of insoluble and total protein contents amounted to 211% and 211 % of that the control cultures when algal
cultures subjected to 3 ppm MgCl2 200 ppm ascorbic acid. (Table 2-b).