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Received December 29, 2010
Accepted April 3, 2011
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Preparation of micro particles of functional pigments by gas-saturated solution process using supercritical carbon dioxide and polyethylene glycol
Department of Food Science and Technology, Pukyong National University, Busan 608-737, Korea
bschun@pknu.ac.kr
Korean Journal of Chemical Engineering, October 2011, 28(10), 2044-2049(6), 10.1007/s11814-011-0088-3
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Abstract
Particle design is presently a major development of supercritical fluids applications, mainly in the paint, cosmetic, pharmaceutical, and specialty chemical industries. The particles from the gas-saturated solutions (PGSS) process were used to micronize the functional compounds, fucoxanthin and astaxanthin. Fucoxanthin was extracted from brown seaweed using supercritical carbon dioxide (SC-CO2) at 20 MPa and 45 ℃. The particle formation of functional pigments with biodegradable polymer, polyethelene glycol (PEG) was performed by PGSS using SC-CO2 in a_x000D_
thermostatted stirred vessel. Different temperatures (40 and 50 ℃) and pressures (10-30MPa) were applied to optimize the conditions for the formation of functional pigment particles. Two nozzles of different diameter (250 and 300 μm) were used for PGSS and the reaction time was 1 hr. The average diameter of the particles obtained by PGSS at different conditions was about 0.78-1.42 μm.
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References
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Bell JB, McEvoy J, Tocher DR, Sargent JR, J. Nutr., 130, 1800 (2000)
Roh MK, Uddin MS, Chun BS, Biotechnol. Bioproc. Eng., 13, 724 (2008)
Wright SW, Jeffrey SW, Mantoura RFC, Llewellyn CA, Bjornland T, Repeta D, Welschmeyer N, Mar. Ecol. Prog. Ser., 77, 183 (1991)
Barlow RG, Mantoura RFC, Gough MA, Fileman TW, Deep Sea Res. Part II., 40, 459 (1993)
Guillou A, Choubert G, de la Noue J, Food Chem., 47, 93 (1993)
de Azevedo ABA, Kieckbush TG, Tashima AK, Mohamed RS, Mazzafera P, de Melo SABV, J. Supercrit. Fluids, 44(2), 186 (2008)
Lopez M, Arce L, Garrido J, Rios A, Valcarcel M, Talanta., 64, 726 (2004)
Macias-Sanchez MD, Mantell C, Rodriguez M, de la Ossa EM, Lubian LM, Montero O, J. Supercrit. Fluids, 39(3), 323 (2007)
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