The Ionic Liquid Cholinium Arginate Is an Efficient Solvent for Extracting High-Value Nannochloropsis sp. Lipids

被引：24
|
作者：
Chua, Elvis T. [1 ]
Brunner, Manuel [2 ]
Atkin, Rob [2 ]
Eltanahy, Eladl [1 ,3 ]
Thomas-Hall, Skye R. [1 ]
Schenk, Peer M. [1 ]
机构：
[1] Univ Queensland, Sch Agr & Food Sci, Algae Biotechnol Lab, Brisbane, Qld 4072, Australia
[2] Univ Western Australia, Sch Mol Sci, 35 Stirling Highway, Perth, WA 6009, Australia
[3] Mansoura Univ, Dept Bot, Phycol Lab, Fac Sci, El Gomhoureya St, Mansoura 35516, Egypt
来源：
ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2019年 / 7卷 / 02期
关键词：
Lipid extraction; Microalgae; Ionic liquid; Cholinium; Amino acid; EPA; CELL-WALL; BIOCHEMICAL-COMPOSITION; PRETREATMENT; TOXICITY; BIOMASS; GROWTH; ACID; ULTRASTRUCTURE; MICROALGAE; MIXTURES;
D O I：
10.1021/acssuschemeng.8b05448
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Nannochloropsis sp. has been a very attractive microalgae species because of its high omega-3 fatty acid content. However, it is also one of the species with the strongest cell wall. Currently, energy-intensive mechanical techniques and harmful and flammable organic solvents are used for extracting lipids from Nannochloropsis sp. biomass. Thus, in this study, cholinium [Ch] amino acid-based ionic liquids (ILs) were investigated for their capability to extract lipids from Nannochloropsis sp. Among all the ILs tested, cholinium arginate ([Ch][Arg]) extracted the highest amount leaving only 1.4 +/- 0.2% lipid in the remaining biomass. The extraction was still efficient at room temperature leaving only 7.9 +/- 0.3% lipid. Thus, [Ch][Arg] is an efficient green solvent for Nannochloropsis lipid extraction.
引用
收藏
页码：2538 / 2544
页数：13
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