2015, Cilt 45, Sayı 2, Sayfa(lar) 055-067 |
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Single Cell oil Production from Microorganisms |
Sevda DARCAN1, Nermin SARIGÜL2 |
1Mehmet Akif Ersoy Üniversitesi, Mimarlık-Mühendislik Fakültesi, Gıda Mühendisliği Anabilim Dalı, Burdur 2Mehmet Akif Ersoy Üniversitesi, Fen Edebiyat Fakültesi, Biyoloji Bölümü, Burdur |
Keywords: Industrial production, microorganisms, single cell oils |
Microbial lipids (Single cell oil; SCO) are produced by
oleaginous microorganisms such as yeasts, molds, algae
and bacteria and SCO production has drawn attention as
a subject of industrial and scientific research for many
years. Currently, SCOs attract much importance as raw
materials of functional oils for food, drugs and healthcare
products and feedstock for biodiesel production.
The production of SCO by microorganisms has several
advantages compared to other oil resources such as plants
and animals including independency of fermentative
processes from climate and, more importantly, avoiding
the competition with resources that can be used as food by
the use of waste products and accomplishment of
environmentfriendly production. In addition, as a result of
strain development by “recombinant biotechnology”
applications production of high volumes of different,
precious and rare SCOs is ensured.
High fermentation costs prevent future applications, and
lead to uncertainity in terms of industrial production
potential. Therefore, various hydrophilic and hydrophobic
substrates are evaluated for SCO production. The
efficiency of SCO production is affected by environmental
factors such as type of carbon source, nitrogen source,
temperature, pH, time, the amount of dissolved oxygen and
is dependent on the microorganism species and strain. The
amount of lipid produced and fatty acid composition in
single cell oil production also vary depending on the
environmental factors and fermentation strains.
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