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Changes of lipid content and fatty acid composition of Schizochytrium limacinum in response to different temperatures and salinities

Paper ID Volume ID Publish Year Pages File Format Full-Text
35959 45116 2007 5 PDF Available
Title
Changes of lipid content and fatty acid composition of Schizochytrium limacinum in response to different temperatures and salinities
Abstract

The growth, lipid content and fatty acid composition of Schizochytrium limacinum OUC88 at different temperatures (16, 23, 30 and 37 °C) and salinities (0, 0.9, 1.8, 2.7 and 3.6%, w/v) were analyzed. The strain grew better and lipid contents were higher at 16–30 °C and salinity at 0.9–3.6% (w/v). The adaptive responses of this microbe to temperature and salinity were mainly to regulate the degree of fatty acid unstauration to maintain the normal membrane lipid physical state. However, at 37 °C and 0 salinity, the growth of the strain was inhibited obviously and the lipid content reduced significantly and, some important changes occurred in fatty acid composition, especially the odd-numbered fatty acids 15:0 and 17:0 which amounts increased greatly. In addition, the ratio of DHA to DPA changed at different temperatures and salinities.

Keywords
Fatty acid compositions; Lipid content; Salinity; Temperature; Schizochytrium limacinum
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 42, Issue 2, February 2007, Pages 210–214
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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Full-text PDF Download
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