Optimization of Subcritical Water Extraction (SWE) of Lipid and Eicosapentaenoic Acid (EPA) from Nannochloropsis gaditana

被引：17

作者：

Ho, Bernard Chon Han ^{[1
]}

Kamal, Siti Mazlina Mustapa ^{[2
]}

Danquah, Michael K. ^{[3
]}

Harun, Razif ^{[1
]}

机构：

[1] Univ Putra Malaysia, Dept Chem & Environm Engn, Fac Engn, Serdang 43400, Malaysia

[2] Univ Putra Malaysia, Dept Proc & Food Engn, Fac Engn, Serdang 43400, Malaysia

[3] Curtin Univ, Dept Chem & Petr Engn, Sarawak, Malaysia

来源：

BIOMED RESEARCH INTERNATIONAL | 2018年 / 2018卷

关键词：

ULTRASOUND-ASSISTED EXTRACTION; HYDROTHERMAL LIQUEFACTION; FATTY-ACIDS; BIOMASS; MICROALGAE; BIODIESEL; OMEGA-3-FATTY-ACIDS; METAANALYSIS; COMPONENTS; FISH;

D O I：

10.1155/2018/8273581

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Microalgae are a promising source of omega-3. The purpose of this study was to extract lipid with a relatively high content of eicosapentaenoic acid (EPA) from Nannochloropsis gaditana using subcritical water extraction (SWE). The effects of different temperatures (156.1-273.9 degrees C), extraction times (6.6-23.4 minutes), and biomass loadings (33-117g algae/L) on the extraction yield were studied. From the optimization study using central composite design (CCD), quadratic models generated for lipid yield and EPA composition were considered to be significant models (p < 0.05). The predictive equations were also formed for lipid yield and EPA composition. The predicted optimum lipid yield and EPA composition at 236.54 degrees C, 13.95 minutes, and 60.50g algae/L were 18.278wt% of total biomass and 14.036wt% of total fatty acid methyl ester (FAME), respectively.

引用

页数：11

共 41 条

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