Thus, the maximum values of cell number, dry weight and total photosynthetic
pigments were 359%, 186% and 289% of that of the control cultures when Chlorella
vulgaris cultures subjected to 3 ppm MgCl2 and treated with 200 ppm of ascorbic acid
(Fig.1-b). The growth criteria (cell count and dry weight) and total photosynthetic
pigments of Chlorella vulgaris cultures reached to 260%, 175% and 233% when
compared with that those of the control cultures, when algal cultures subjected to 3
ppm MgCl2 and treated with 200 ppm of
thiamine (Fig. 1-c)