Investigation of Suggestion of Culturing Dunaliellasalina Microalgae in Urmia Lake for Betacarotene Production and Assistance to Survival of the Lake

Microalgae are the most suitable microorganisms for producing valuable substances. Otherwise, chemical methods are alternatives which have advantages and disadvantages. Dunaliella salina microalgae is very popular because of having special culture, biological production of valuable substances like carotenoids, etc. Different parameters affect growth rate, cellular density and carotenoids production which can be optimized for better productivity. The other important matter is kind of culture system for commercial production of desired substances from microalgae that can be selected by considering financial matters and advantages and disadvantages of them. For example, by selecting suitable methods and considering economical matters, we can cultivate Dunaliella salina in Urmia Lake. It’s worth mentioning here that, on the one hand, the microalgae is native microorganisms in this lake and producing carotenoids can be very profitable, at the other hand, this microalgae can cover Urmia lake like a rug and prevents more drying of this lake by decreasing water evaporation.