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Part of a review series that looks at trends in modern biology.
This book covers aspects of bioprocessing and biotransformation,
where knowledge, methods and expertise are required from chemistry,
biochemistry, microbiology, genetics, chemical engineering and
computer science.
Esters are prepared conventionally by reacting alcohols and fatty
acids at moderately high temperature in presence of different
inorganic and acid catalysts. However, processes based on such
catalytic reactions suffer from disadvantages of harsh reaction
conditions, difficulty in catalyst recovery etc. Lipase catalysed
esterifications have shown to be advantageous from process point of
view. Lipase can be effectively used to synthesize special types of
esters which can be introduced as high value added product. These
reactions involve mild reaction conditions which saves energy,
provide stereo and positional specificities and very high catalytic
activity. Lipases which are basically triacylglycerol
acylhydrolases, are catalyze reverse reaction of hydrolysis in
organic solvent by direct esterification and interesterification.
In order to exploit the principle of lipase catalysed
esterification & transesterification reactions, the knowledge
on reaction kinetics is very much useful. Thus, the kinetics of
certain industrially important lipase catalysed esterification and
transesterification reactions has been undertaken under the theme
of this book.
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