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Acid-catalyzed hot-water extraction of docosahexaenoic acid (DHA)-rich lipids from Aurantiochytrium sp KRS101
- Authors
- Choi, Sun-A; Jung, Joo-Young; Kim, Kyochan; Lee, Jin-Suk; Kwon, Jong-Hee; Kim, Seung Wook; Yang, Ji-Won; Park, Ji-Yeon
- Issue Date
- 6월-2014
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Acid-catalyzed hot-water extraction; Microalgal lipids; Docosahexaenoic acid; Fatty acid content; Aurantiochytrium sp.
- Citation
- BIORESOURCE TECHNOLOGY, v.161, pp.469 - 472
- Indexed
- SCIE
SCOPUS
- Journal Title
- BIORESOURCE TECHNOLOGY
- Volume
- 161
- Start Page
- 469
- End Page
- 472
- ISSN
- 0960-8524
- Abstract
- 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. (C) 2014 Elsevier Ltd. All rights reserved.
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