Lipid extraction from Nannochloropsis oceanica biomass after extrusion pretreatment with twin-screw extruder: optimization of processing parameters and comparison of lipid quality
文献类型：期刊论文
| 作者 | Li, Qijun1,2; Zhou, Zhenzhen1,2; Zhang, Dongmei1; Wang, Zhihui1; Cong, Wei1 |
| 刊名 | BIOPROCESS AND BIOSYSTEMS ENGINEERING
 |
| 出版日期 | 2020-04-01 |
| 卷号 | 43期号:4页码:655-662 |
| 关键词 | Extrusion Lipid extraction Lipid quality Microalga |
| ISSN号 | 1615-7591 |
| DOI | 10.1007/s00449-019-02263-x |
| 英文摘要 | The objective of this work was to evaluate the effects of extrusion pretreatment on the efficiency of lipid extraction and the quality of lipid extracted from the microalga Nannochloropsis oceanica. Five processing parameters of extrusion pretreatment using a twin-screw extruder were studied: die configuration, distance from the internal surface of the die to the end of the screw (delta), temperature, screw rotation speed, and the water content of biomass. The results showed that die configuration, delta, and the water content of the biomass were vital factors affecting lipid extraction efficiency. After the pretreatment of extrusion, the extraction time was shortened from 10 h to 20 min, and the amount of solvent used was reduced to one-third of that without pretreatment. The content of polyunsaturated fatty acid (PUFA) in crude lipid increased by over 30 percent of those components without pretreatment, especially for eicosapentaenoic acid (EPA), which increased by 37.45%. In addition, the unsaponifiable content and acid value of the crude lipid extracted from the extruded microalga decreased significantly, which would facilitate further refining processes. |
| WOS关键词 | MICROALGAL CELL DISRUPTION ; CAMELLIA-OLEIFERA SEED ; PHYSICOCHEMICAL PROPERTIES ; OIL ; N-3 |
| WOS研究方向 | Biotechnology & Applied Microbiology ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000519660800008 |
| 出版者 | SPRINGER |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/39769]  |
| 专题 | 中国科学院过程工程研究所 |
| 通讯作者 | Zhang, Dongmei |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Qijun,Zhou, Zhenzhen,Zhang, Dongmei,et al. Lipid extraction from Nannochloropsis oceanica biomass after extrusion pretreatment with twin-screw extruder: optimization of processing parameters and comparison of lipid quality[J]. BIOPROCESS AND BIOSYSTEMS ENGINEERING,2020,43(4):655-662. |
| APA | Li, Qijun,Zhou, Zhenzhen,Zhang, Dongmei,Wang, Zhihui,&Cong, Wei.(2020).Lipid extraction from Nannochloropsis oceanica biomass after extrusion pretreatment with twin-screw extruder: optimization of processing parameters and comparison of lipid quality.BIOPROCESS AND BIOSYSTEMS ENGINEERING,43(4),655-662. |
| MLA | Li, Qijun,et al."Lipid extraction from Nannochloropsis oceanica biomass after extrusion pretreatment with twin-screw extruder: optimization of processing parameters and comparison of lipid quality".BIOPROCESS AND BIOSYSTEMS ENGINEERING 43.4(2020):655-662. |
入库方式： OAI收割
来源：过程工程研究所
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