Semi-solid state fermentation of sweet sorghum for the biotechnological production of single cell oil

被引：113

作者：

Economou, Ch. N. ^{[1
]}

Makri, A. ^{[2
]}

Aggelis, G. ^{[2
]}

Pavlou, S. ^{[3
,4
]}

Vayenas, D. V. ^{[1
]}

机构：

[1] Univ Ioannina, Dept Environm & Nat Resources Management, Agrinion 30100, Greece

[2] Univ Patras, Dept Biol, Div Genet Cell & Dev Biol, Microbiol Unit, Patras 26504, Greece

[3] Univ Patras, Dept Chem Engn, Patras 26504, Greece

[4] Inst Chem Engn & High Temp Chem Proc, Patras 26504, Greece

来源：

BIORESOURCE TECHNOLOGY | 2010年 / 101卷 / 04期

关键词：

Semi-solid state fermentation; Single cell oil; Sweet sorghum; Mortierella isabellina; Lipid accumulation; GAMMA-LINOLENIC ACID; GLUCOSE;

D O I：

10.1016/j.biortech.2009.09.028

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

A semi-solid fermentation process for the production of biodiesel from sweet sorghum is introduced. The microorganism used is the oleaginous fungus Mortierella isabellina, which is able to transform efficiently sugar to storage lipid. Kinetic experiments were performed at various water content percentages. The fungus consumed simultaneously sugars and nitrogen contained in sorghum and after nitrogen depletion the biomass growth was completed and oil accumulation began. Water content of 92% presented the highest oil efficiency of 11 g/100 g dry weight of substrate. The semi-solid process is shown to have certain advantages compared to liquid Cultures or solid-state fermentation and gives oil of high quality. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1385 / 1388

页数：4

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