... vary considerably according to the culture conditions. For example the effect of the composition of the culture medium on the proximate composition of various species of micro-algae is demonstrated ... arachidonic acid (20:4n -6, ARA), and docosahexaenoic acid (22:6n-3, DHA), is of major importance in the evaluation of the nutritional composition of an algal species to be used as food for marine ... measuring the volume of the concentrated paste. Measuring the dry weight of a culture is one of the most direct ways to estimate biomass production. For this, the cells of a representative sample of...