화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.19, No.2, 686-691, March, 2013
DOI10.1016/j.jiec.2012.10.005  Export Citation
Micronization and characterization of squid lecithin/polyethylene glycol composite using particles from gas saturated solutions (PGSS) process
Jun-Ho Yun, Hye-Youn Lee, A.K.M. Asaduzzaman, and Byung-Soo Chun†
  • Department of Food Science and Technology, Pukyong National University, 45 Yongso-ro, Nam-Gu, Busan 608-737, Republic of Korea
E-mail:
Lecithin was isolated from squid viscera residues after supercritical carbon dioxide (SC-CO2) extraction at 25 MPa and 45 ℃. The particle formation of squid lecithin with biodegradable polymer, polyethylene glycol (PEG) was performed by PGSS using SC-CO2 in a thermostatted stirred vessel. By applying different temperatures (40 and 50 ℃) and pressures (20.30 MPa), conditions were optimized. Two nozzles of different diameters (250 and 300 mm) were used for PGSS and the reaction time was 1 h. The average diameter of the particles obtained by PGSS at different conditions was about 0.74.1.62 mm. The lowest average size of lecithin particle with PEG was found by the highest SC-CO2 density conditions with the stirring speed of 400 rpm and nozzle size of 250 mm. The inclusion of lecithin in PEG was quantified by HPLC. Acid value and peroxide value was measured after micronization of lecithin.
Keywords:Micronization;Particles from gas saturated solutions;Polyethylene glycol;Supercritical carbon dioxide;Lecithin;Squid viscera
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