Premium
Regioselective lipase‐catalyzed transesterification of tributyrin. Influence of salt hydrates on acyl migration
Author(s) -
Sjursnes Birte J.,
Kvittingen Lise,
Anthonsen Thorleif
Publication year - 1995
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/bf02638853
Subject(s) - chemistry , tributyrin , hexanoic acid , lipase , salt (chemistry) , catalysis , interesterified fat , regioselectivity , organic chemistry , transesterification , sulfate , phosphate , enzyme
The influence of the nature of solid salt hydrates on the rate of hexanoic acid catalyzed acyl migration in 1,2‐dibutyrin has been examined in hexane. The results show that the rate of acyl migration is faster when hydrogen phosphate salts are included compared to sulfate salts. The rate is essentially the same in the presence of sulfate salts and without salts. In regioselective lipase‐catalyzed acidolysis of tributyrin with hexanoic acid, the use of hydrogen phosphate salts to control water activity leads to a higher rate of migration than the use of sulfate salts. Minor differences are observed in interesterification with ethyl hexanoate.