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A novel approach for extraction of algal oil from marine macroalgae Ulva fasciata

机译：从海洋大型藻类中提取藻油的新方法

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In this present investigation, lipid extraction was performed in marine macro algae Ulva fasciata using soxhlet and super critical fluid extraction apparatus. The ultrasonic pretreatment was done for the algal biomass. Extraction parameters for High extraction yield of algal oil were obtained at 5% moisture content, 0.25 mm particle size, 90 degrees C, 180 min time, 5:1 solvent-to-solid ratio and solvent flow rate 1 l/hr. After the optimization process 9.85% of oil extraction was obtained from Ulva fasicata algal biomass. The aromatic groups, indicating the presence of 12-Hydroxy-9-octadecenoic acid was confirmed by FT-IR analysis. Thus the algal oil obtained from Ulva fasicata biomass can be used for the biodiesel production. The saturated fatty acid (SFAs) was found to be 75.43% in the produced algal oil. The properties like Acid value, Iodine number, specific gravity, Saponification value, calorific value, Flash point, Fire point and kinematic viscosity was also characterized. (C) 2018 Elsevier Ltd. All rights reserved.
机译：在本研究中，使用索氏提取器和超临界流体萃取装置在海洋大型藻类Ulva fasciata中进行脂质萃取。对藻类生物质进行了超声波预处理。在5％的水分含量，0.25 mm的粒径，90摄氏度，180分钟的时间，5：1的溶剂/固体比率和1 l / hr的溶剂流速下获得了藻类油的高提取产率的提取参数。优化过程后，从Ulva fasicata藻类生物质中提取了9.85％的油。通过FT-IR分析证实了表明存在12-羟基-9-十八烯酸的芳族基团。因此，从Ulva fasicata生物质获得的藻油可用于生物柴油生产。发现所产生的藻油中饱和脂肪酸（SFA）为75.43％。还表征了酸值，碘值，比重，皂化值，热值，闪点，着火点和运动粘度等性质。 （C）2018 Elsevier Ltd.保留所有权利。

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