Optimization of process parameters for the production of chitin from the shell ofFlowertail Shrimp(Metapenaeus dobsoni)
Optimization of process parameters for the production of chitin from the shell ofFlowertail Shrimp(Metapenaeus dobsoni)
Date
2016
Authors
Joshy, C.G.
Zynudheen, A.A.
Ninan, G.
Ronda, V.
Muhammed, S.
Journal Title
Journal ISSN
Volume Title
Publisher
Society of Fisheries Technologists(India)
Abstract
The objective of present study was to optimize the
process parameters for the production of chitin from
the shell of Metapenaeus dobsoni by deproteinization
and demineralization using linear regression. The
response variables viz: yield and quality of chitin
were optimized in terms of concentration, treatment
time and ratio of acid and alkali used in the
production of chitin. First order polynomial regression
model with interaction coefficients for alkali
concentration with treatment time was found as
optimal to explain the variability in the response
variables in terms of process variables. Based on the
fitted model, the coefficients of acid concentration
(2.48), acid ratio (0.006) and acid treatment time
(0.039) were found significant for chitin yield at 1%
level and linear regression coefficients showed a
non-significant increasing trend. The regression coefficient
for interaction between acid concentration
and treatment time showed a significant decreasing
trend (-0.025). The optimum combination of process
variables to improve the yield and quality of chitin
from M. dobsoni shell was sodium hydroxide concentration
at 3 % in 1:2 ratio and treatment time of 30
minutes and hydrochloric acid concentration at 1.25
N in1:2 ratio and treatment time of 90 minutes.
Description
Keywords
Chitin, Metapenaeus dobsoni, Deproteinization, Regression, Optimization
Citation
Fiishery Technology 2016:53(2), 140-145