It can be seen that the proportion of cells with depolarized
membranes (A) almost remained unchanged with the CPS concentration
increase (10%), but the proportion of cells with permeabilised
membrane (C) increased as the CPS concentration increased
(10% at CPS 75, and 23% at CPS 100 (Fig. 2c and d). This can be
due to the presence of inhibitory compounds in the CPS that may
have affected the yeast membrane integrity