Development of sweet and sour chicken meat spread based on sensory attributes: process optimization using response surface methodology

Abstract

Now a day's meat and meat products are not only generating convenience trends; they have been recognized as core of meat industry. Meat spread is a convenience cooked spreadable product prepared with meat and non-meat additives. Response surface methodology was used to investigate the effects of three different levels of honey (10, 15, 20 g), vinegar (2.0, 6.0, 10.0 ml) and tomato powder (0.5, 1.0, 1.5 g) on response variables viz. color/appearance, flavor, spreadability, texture, after taste, adhesiveability, overall acceptability, while standardizing the process of development of sweet and sour chicken meat spread box-behnken experimental design was used in which 17 different runs with 5 trials of three similar centre point. A second order polynomial was fitted to all the response variables and surface plots as well as equations were conducted. All the processing variables significantly affected the response variables either linearly or quadratically whereas the "Lack of Fit" was non-significant relative to the pure error. For optimization, target values were set in the form of ranges of all the processing and response variables. While applying multiple regression analysis, a total of 43 workable solutions was found, out of which the product with 14.28% honey, 5.38% vinegar and 1.39% tomato powder was selected. The responses for color/appearance, flavor, spreadability, texture, after taste, adhesiveability, overall acceptability, were predicted at 7.11, 6.72, 7.00, 6.99, 6.61, 6.94 and 6.79 respectively, with a desirability value of 1.

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