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首页> 外文期刊>Bioprocess and Biosystems Engineering >Effects of molten-salt/ionic-liquid mixture on extraction of docosahexaenoic acid (DHA)-rich lipids from Aurantiochytrium sp. KRS101
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Effects of molten-salt/ionic-liquid mixture on extraction of docosahexaenoic acid (DHA)-rich lipids from Aurantiochytrium sp. KRS101

机译：熔融盐/离子-液体混合物对从金眼藻中提取富含二十二碳六烯酸（DHA）脂质的影响。 KRS101

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摘要

In this study, lipid extraction from Aurantiochytrium sp. was performed using a molten-salt/ionic-liquid mixture. The total fatty acid content of Aurantiochytrium sp. was 478.8 mg/g cell, from which 145 mg/g cell (30.3 % of total fatty acids) of docosahexaenoic acid (DHA) was obtained. FeCl_3·6H_2O showed a high lipid extraction yield (207.9 mg/g cell), when compared with that of [Emim]OAc, which was only 118.1 mg/g cell; notably however, when FeCl_3·6H_2O was mixed with [Emim]OAc (5:1, w/w), the yield was increased to 478.6 mg/g cell. When lipid was extracted by the FeCl_3·6H_2O/[Emim]OAc mixture at a 5:1 (w/w) blending ratio under 90 ℃, 30 min reaction conditions, the fatty acid content of the extracted lipid was a high purity 997.7 mg/g lipid, with most of the DHA having been extracted (30.2 % of total fatty acids). Overall, lipid extraction from Aurantiochytrium sp. was enhanced by the synergistic effects of the molten-salt/ionic-liquid mixture with different ions.
机译：在这项研究中，从金桔属中提取脂质。使用熔融盐/离子液体混合物进行。 Aurantiochytrium sp。的总脂肪酸含量。其为478.8mg / g细胞，由此获得145mg / g细胞的二十二碳六烯酸（DHA）（占总脂肪酸的30.3％）。 FeCl_3·6H_2O的脂质提取率较高（207.9 mg / g细胞），而[Emim] OAc脂质提取产率仅为118.1 mg / g细胞；然而，值得注意的是，当FeCl_3·6H_2O与[Emim] OAc（5：1，w / w）混合时，产量增加到478.6 mg / g细胞。在90℃，30分钟的反应条件下，以FeCl_3·6H_2O / [Emim] OAc混合物以5：1（w / w）的混合比提取脂质时，所提取脂质的脂肪酸含量为高纯度997.7 mg / g脂质，其中大部分DHA已被提取（占总脂肪酸的30.2％）。总的来说，从金兰藻中提取脂质。通过具有不同离子的熔融盐/离子-液体混合物的协同作用增强了离子的吸收。

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  • 来源
    《Bioprocess and Biosystems Engineering》 |2014年第11期|2199-2204|共6页
  • 作者

    Sun-A Choi; Joo-Young Jung; Kyochan Kim; Jong-Hee Kwon; Jin-Suk Lee; Seung Wook Kim; Ji-Yeon Park; Ji-Won Yang;

  • 作者单位

    Biomass and Waste Energy Laboratory, Korea Institute of Energy Research, Daejeon 305-343, Korea ,Department of Chemical and Biological Engineering, Korea University, Seoul 136-701, Korea;

    Advanced Biomass R&D Center, KAIST, Daejeon 305-701, Korea;

    Department of Chemical and Biomolecular Engineering, KAIST, Daejeon 305-701, Korea;

    Department of Chemical and Biomolecular Engineering, KAIST, Daejeon 305-701, Korea;

    Biomass and Waste Energy Laboratory, Korea Institute of Energy Research, Daejeon 305-343, Korea;

    Department of Chemical and Biological Engineering, Korea University, Seoul 136-701, Korea;

    Biomass and Waste Energy Laboratory, Korea Institute of Energy Research, Daejeon 305-343, Korea;

    Advanced Biomass R&D Center, KAIST, Daejeon 305-701, Korea ,Department of Chemical and Biomolecular Engineering, KAIST, Daejeon 305-701, Korea;

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  • 正文语种 eng
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  • 关键词

    Molten-salt/ionic-liquid mixture; Microalgal lipids; Docosahexaenoic acid; Fatty acid content; Aurantiochytrium sp. KRS101;

    机译：熔融盐/离子液体混合物;微藻脂质;二十二碳六烯酸;脂肪酸含量;金棘藻KRS101;

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