Optimization
The numerical optimization gave 12 different sets of compositions
having different desirability indices ranging from 0.22 to 0.98. The formulation
with the maximum desirability index of 0.98 was chosen on
the basis of the set parameters and constraints (Table 3). The maxima
obtained in the plot was considered as the optimum formulation (litchi
juice: coconut water: lemon juice= 71.6:27.2:1.2 expressed as % v/v).
The highest sensory score (7.252) was obtained with maximum incorporation
of 71.6% litchi juice in the blend. It could be interpreted as
‘good’ to ‘very good’, from the consumer acceptance point of view
(Peryam & Pilgrim, 1957). However, the sensory scores of predicted
composition showed less than 5% deviation from their actual counterpart
in terms of sensory scores (Table 3), indicating the validation of
the optimized formulation of the blend. Therefore, the ingredient composition
of 72% litchi juice, 27% coconutwater and 1% of lemon juicewas
selected as optimum, on the basis of sensory scores and the highest desirability
index
OptimizationThe numerical optimization gave 12 different sets of compositionshaving different desirability indices ranging from 0.22 to 0.98. The formulationwith the maximum desirability index of 0.98 was chosen onthe basis of the set parameters and constraints (Table 3). The maximaobtained in the plot was considered as the optimum formulation (litchijuice: coconut water: lemon juice= 71.6:27.2:1.2 expressed as % v/v).The highest sensory score (7.252) was obtained with maximum incorporationof 71.6% litchi juice in the blend. It could be interpreted as‘good’ to ‘very good’, from the consumer acceptance point of view(Peryam & Pilgrim, 1957). However, the sensory scores of predictedcomposition showed less than 5% deviation from their actual counterpartin terms of sensory scores (Table 3), indicating the validation ofthe optimized formulation of the blend. Therefore, the ingredient compositionof 72% litchi juice, 27% coconutwater and 1% of lemon juicewasselected as optimum, on the basis of sensory scores and the highest desirabilityindex
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