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TY - JOUR AU - R. Rajkumar, L. Sheeja, S. Divya and R. Rengasamy, K.R. Jayappriyan*, PY - 2010/07/31 Y2 - 2025/09/23 TI - Optimization Study in Dunaliella salina EU5891200 Isolated in Salt pans of Tamil Nadu, South India JF - Recent Research in Science and Technology JA - RRST VL - 2 IS - 4 SE - Botany DO - UR - https://www.updatepublishing.com/journal/index.php/rrst/article/view/408 SP - AB - <p class="MsoNormal" style="margin: 0in 0in 0pt; text-indent: 0in; line-height: normal; tab-stops: center 2.75in right 5.5in left 6.25in;"><span style="font-size: 10pt; color: black; font-family: ";Arial Narrow";,";sans-serif";; letter-spacing: -0.1pt;">This study examined the effect of different pH, light intensity and different concentrations of NaNO₃, NaH₂PO₄ and NaCl on the kinetics of growth, total carotenoids accumulated in <em style="mso-bidi-font-style: normal;">Dunaliella salina</em> EU5891200, a micro algal strain isolated from the salt pans of Tamil Nadu, South India. Results indicated that the highest amount of carotenoids detected grown at pH 8, 40 µEm^-2s^-1</span><span style="font-size: 10pt; color: black; font-family: ";Arial Narrow";,";sans-serif";;"> light intensity had maximum production of total carotenoids. Lower salinity of 1.0 M NaCl favored high accumulation of total carotenoids. The amounts of total carotenoids recorded at 1.0 mM NaNO₃ for <em style="mso-bidi-font-style: normal;">D. salina</em> had 20% more than the control. Phosphate was found to greatly influence the accumulation of total carotenoids (120.0µg/mL) in the isolate. </span></p> ER -