Acid-catalyzed hot-water extraction of docosahexaenoic acid (DHA)-rich lipids from Aurantiochytrium sp KRS101

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In this study, acid-catalyzed hot-water extraction of docosahexaenoic acid (DHA)-rich lipids from Aurantiochytrium sp. was performed, and its yield-enhancing effects were investigated. The total fatty acid content of the Aurantiochytrium sp. was 482.5 mg/g cell, of which 141.7 mg/g cell (29.4% of total fatty acids) was DHA. The lipid-extraction yield by acid-catalyzed hot-water treatment was compared with those by organic solvents. Among the various acid-catalyzed hot-water treatment conditions, the most optimal were 1.00% H2SO4 concentration, 100 degrees C, 30 min, under which the lipid-extraction yield was 472.4 mg/g cell, and most of the DHA was extracted (29.2% of total fatty acids). Acid-catalyzed hot-water extraction treatment markedly improved the lipid-extraction yield of Aurantiochytrium sp.
Publisher
ELSEVIER SCI LTD
Issue Date
2014-06
Language
English
Article Type
Article
Keywords

CHLORELLA-VULGARIS; PRETREATMENT

Citation

BIORESOURCE TECHNOLOGY, v.161, pp.469 - 472

ISSN
0960-8524
DOI
10.1016/j.biortech.2014.03.153
URI
http://hdl.handle.net/10203/189276
Appears in Collection
CBE-Journal Papers(저널논문)
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