NDLI: Effects of Acetic Acid on Growth and Lipid Production by Cryptococcus albidus

Content Provider	Springer Nature Link
Author	Li, Xiaomei Xiong, Lian Chen, Xuefang Huang, Chao Chen, Xinde Ma, Longlong
Copyright Year	2015
Abstract	The cell growth and lipid accumulation process of Cryptococcus albidus were investigated using acetic acid as the sole carbon source at different concentrations. C. albidus showed high tolerance to acetic acid at a high concentration of 30 g L$^{−1}$. The highest lipid content (32.69 ± 0.50 %) and lipid yield (0.96 ± 0.05 g L$^{−1}$) were both obtained in the medium with an initial acetic acid concentration of 30 g L$^{−1}$ on day five. Interestingly, the maximum lipid content and lipid yield was obtained on a different day in a medium with different acetic acid concentration. The fatty acid composition of the lipids accumulated by C. albidus was 16–23 % palmitic acid (C16:0), 3–5 % linolenic acid (C18:3), 42–51 % linoleic acid (C18:2) and 23–27 % oleic acid (C18:1), which was similar to that of soybean oil; thus, this microbial oil has great potential value as a renewable biodiesel feedstock. This work also provides valuable information for further research to use cheap substrates containing a high concentration of acetic acid (such as lignocellulosic hydrolysates), which is an economical and environmentally friendly form of microbial oil production.
Starting Page	1113
Ending Page	1118
Page Count	6
File Format	PDF
ISSN	0003021X
Journal	Journal of the American Oil Chemists' Society
Volume Number	92
Issue Number	8
e-ISSN	15589331
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-07-21
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Oleaginous yeasts Cryptococcus albidus Acetic acid Microbial oil Biodiesel feedstock Industrial Chemistry/Chemical Engineering Biomaterials Agriculture Food Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Chemical Engineering

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