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

被引：25

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

页码：2538 / 2544

页数：13

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