Enhancement of Astaxanthin Content in Mixed Culture of <I>Dunaliella<I/> sp. and <I>Azospirillum<I/> sp. under Light Intensity Treatment

Highlight Research The growth rate was higher when Chlorella induced by Azospirillum brasilense. carbohydrate content increased combined with Determination of astaxanthin accumulation in Haematococcus pluvialis. Define condition favoring Abstract Dunaliella sp. is a potential natural source carotenoid pigments such as astaxanthin, β-carotene, and lutein. can also accumulate other valuable products glycerol protein. Another species sp., which known microalgal growth-promoting bacteria. These bacteria are often cultured microalgae because they contain indole-3-acetic acid, significantly increase the microalgae. This study aimed to examine pigment mixed culture after being treated different light intensity treatment. In this study, were cultivated mixing under stress. Two treatments performed at stress 3000 6000 lx. Light widely used an important parameter cultivation, affect production biomass. addition, spectrophotometric UV-Vis based measurement conducted investigate every single all for eight days. number cells, pigments, had significantly. Pigments chlorophyll b lower treatments. Based on results, bacterium high cell division Therefore, combination cultivation could