Optimization of Supercritical CO2 Extraction of Abalone Visceral Oil by Response Surface Methodology and Analysis of Fatty Acid Composition

doi:10.7506/spkx1002-6630-201512029

FOOD SCIENCE

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Optimization of Supercritical CO2 Extraction of Abalone Visceral Oil by Response Surface Methodology and Analysis of Fatty Acid Composition

TANG Peng1, DUAN Haixia2, XIA Jinmei3,*, WENG Wuyin1, LI Qian3, XU Jianzhong3, LIN Yi3, XU Chen3

1. College of Food and Biological Engineering, Jimei University, Xiamen 361021, China;
2. School of Marine Sciences, Ningbo University, Ningbo 315211, China; 3. Key Laboratory of Marine Biogenetic Resources,
Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China

Online:2015-06-25 Published:2015-06-12
Contact: XIA Jinmei

Abstract

Abstract:

Supercritical CO2 was used to extract abalone visceral oil. To optimize the extraction conditions, the statistical
software SAS 9.2 was applied to design the experiment with response surface methodology. The impacts of pressure,
temperature, and time on extractability were investigated. It was found that the optimum extraction pressure, temperature
and time were 31.2 MPa, 42.3 ℃ and 9.4 min, respectively. The extraction rate was 75.23% under the optimized conditions.
Ultra performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UPLC-Q-TOF-MS) was then
used to analyze the extracted oil. A total of 39 fatty acids with different lengths of carbon chain and numbers of double
bonds were detected, including 9 kinds of saturated fatty acids, 8 kinds of monounsaturated fatty acids and 22 kinds of
polyunsaturated fatty acids.

Key words: supercritical CO2, response surface methodology, abalone viscera, mass spectrometry

CLC Number:

TANG Peng1, DUAN Haixia2, XIA Jinmei3,*, WENG Wuyin1, LI Qian3, XU Jianzhong3, LIN Yi3, XU Chen3. Optimization of Supercritical CO2 Extraction of Abalone Visceral Oil by Response Surface Methodology and Analysis of Fatty Acid Composition[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201512029.

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Optimization of Supercritical CO2 Extraction of Abalone Visceral Oil by Response Surface Methodology and Analysis of Fatty Acid Composition

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