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Co-solvent selection for supercritical fluid extraction of astaxanthin and other carotenoids from Penaeus monodon waste


Citation

Radzali, Shazana Azfar and Baharin, Badlishah Sham and Othman, Rashidi and Markom, Masturah and Abdul Rahman, Russly (2014) Co-solvent selection for supercritical fluid extraction of astaxanthin and other carotenoids from Penaeus monodon waste. Journal of Oleo Science, 63 (8). pp. 769-777. ISSN 1345-8957; ESSN: 1347-3352

Abstract

In recent years, astaxanthin is claimed to have a 10 times higher antioxidant activity than that of other carotenoids such as lutein, zeaxanthin, canthaxanthin, and β-carotene; the antioxidant activity of astaxanthin is 100 times higher than that of α-tocopherol. Penaeus monodon (tiger shrimp) is the largest commercially available shrimp species and its waste is a rich source of carotenoids such as astaxanthin and its esters. The efficient and environment-friendly recovery of astaxanthins was accomplished by using a supercritical fluid extraction (SFE) technique. The effects of different co-solvents and their concentrations on the yield and composition of the extract were investigated. The following co-solvents were studied prior to the optimization of the SFE technique: ethanol, water, methanol, 50% (v/v) ethanol in water, 50% (v/v) methanol in water, 70% (v/v) ethanol in water, and 70% (v/v) methanol in water. The ethanol extract produced the highest carotenoid yield (84.02 ± 0.8 μg/g) dry weight (DW) with 97.1% recovery. The ethanol extract also produced the highest amount of the extracted astaxanthin complex (58.03 ± 0.1 μg/g DW) and the free astaxanthin content (12.25 ± 0.9 μg/g DW) in the extract. Lutein and β-carotene were the other carotenoids identified. Therefore, ethanol was chosen for further optimization studies.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Food Science and Technology
DOI Number: https://doi.org/10.5650/jos.ess13184
Publisher: Japan Oil Chemists' Society
Keywords: Penaeus monodon; Astaxanthin; Carotenoids; SFE; HPLC
Depositing User: Nabilah Mustapa
Date Deposited: 24 May 2015 10:08
Last Modified: 29 Oct 2015 07:45
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.5650/jos.ess13184
URI: http://psasir.upm.edu.my/id/eprint/36919
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