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Continual conversion of free fatty acid in rice bran oil to triacylglycerol by immobilized lipase
Author(s) -
Kosugi Yoshitsugu,
Kunieda Tsutomu,
Azuma Naoki
Publication year - 1994
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/bf02540528
Subject(s) - lipase , chemistry , rice bran oil , food science , peroxide value , bran , fatty acid , nitrogen , triacylglycerol lipase , organic chemistry , acid value , biochemistry , enzyme , raw material
Rice bran oil containing 30–50% free fatty acid was continually converted to an oil containing more than 75% of triacylglycerol (TG) by means of immobilized lipase. The reaction was carried out at 60°C for 24 h with dehydration and reactant mixing by dry nitrogen flow under a positive nitrogen atmosphere. Enzymatic TG synthesis with evaporation by heating was not suitable because of the increasing peroxide value of the oil.