期刊
BIOMASS & BIOENERGY
卷 34, 期 1, 页码 101-107出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biombioe.2009.10.005
关键词
Single cell oil; Fatty acid methyl esters; Rhodotorula mucilaginosa; Manihot esculenta; Fed-batch cultivation
资金
- National Infrastructure of Natural Resources for Science and Technology Program of China [2005DKA21209]
- Hi-Tech Research and Development Program of China [2006AA09Z403]
Rhodotorula mucilaginosa TJY15a which was isolated from surface of marine fish could accumulate a large amount of lipid from hydrolysate of cassava starch. The cells contained 47.9% (w/w) oil during batch cultivation, whereas 52.9% (w/w) of lipid was obtained during the fed-batch cultivation. At the end of the fed-batch cultivation, all the starch were converted into reducing sugar and only 0.34 g dm(-3) of reducing sugar was left in the fermented medium. Therefore, the marine-derived R. mucilaginosa TJY15a was another candidate for single cell oil production. The fatty acids from R. mucilaginosa TJY15a were mainly composed of palmitic acid (C-16:0), palmitoleic acid (C-16:1), stearic acid (C-18:0), oleic acid (C-18:1) and linolenic acid (C-18:2), suggesting that the fatty acids could be used as feedstock for biodiesel production. (C) 2009 Elsevier Ltd. All rights reserved.
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