题目:  Effect of salinity on growth and biochemical composition of Nannochloropsis oculata in photo-bioreactor 

作者: Na Gu, Qiang Lin*, Liangmin Huang, Junda Lin 

刊物: Engineering in Life Sciences,（IF=1.295，III区）

刊号: 2012,12(5), 1-7  

摘要: Effect of salinity (15, 25, 35, 45, and 55‰) on growth, biochemical composition, and lipid productivity of Nannochloropsis oculata CS 179 was investigated under controlled cultivation in a 19-day study. The results demonstrate that the dry biomass of N. oculata was the highest at a salinity of 25‰ among the treatments in the first 10-day cultivation (P<0.05). During days 14–19 (stage III), the dry biomass productivity was the highest at a salinity of 35‰ (P<0.05). The algae had the highest chlorophyll a content (26.47 mg g−1) at 25‰ in stage I, and it decreased continuously at stage III. Protein content (as% of dry biomass) of algae reached the highest value of 42.25 ± 2.10% at 15‰, and the lipid content was the highest of 32.11 ± 1.30% of dry biomass at 25‰. However, the lipid productivity of these algae was the highest at 35‰ (64.71 mg L−1 d−1; P<0.001). C16 series content was the highest among the total fatty acid methyl esters (FAME), and eicosapentaenoic acid C20:5n-3 (EPA) content was high at the low salinity. Fatty acid profiles of N. oculata varied significantly under different salinities.