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Solvent‐free glycerolysis catalyzed by acetone powder of Nigella sativa seed lipase
Author(s) -
El Naciye,
Dandik Levent,
Aksoy H. Ayşe
Publication year - 1998
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/s11746-998-0313-3
Subject(s) - acetone , chemistry , glycerol , lipase , catalysis , solvent , nigella sativa , glyceride , sunflower oil , molar ratio , nuclear chemistry , organic chemistry , yield (engineering) , food science , materials science , fatty acid , enzyme , medicine , traditional medicine , metallurgy
Abstract The solvent‐free glycerolysis of used sunflower oil catalyzed by acetone powder of Nigella sativa seeds was investigated. The highest partial acylglycerols yield was obtained at 60°C. The glycerolysis reactions, conducted at molar ratios of 1:1, 2:1, and 3:1 of oil to glycerol keeping the acetone powder content at 30% based on oil weight and the temperature at 60°C, approached equilibrium after 2 h. The highest partial acylglycerol content of the products was 66% (1:1 molar ratio) and 60% (2:1 molar ratio).