Technical correlation matrix. In this study, the roof of the matrix
gives the interaction between different sensory attributes and process
parameters. For example, when changing the gloss of the
product it will have an effect on intensity of color, blooming, cracking.
. . Some of these influences are positive effects, others are negative.
With the roof of the matrix, the engineer knows that
changing one attribute can change one or more other attributes.
In the case of filled chocolates, the roof indicates that gloss is positively
related to the color intensity of filled chocolates. Next to
that, it is also positively related to hardness, melting in the mouth
and smoothness of the chocolates. The tempering of the chocolate
has a high impact on the gloss of the chocolates but also on the texture
of the chocolates. A well-tempered chocolate will not develop
fat bloom in an early stage. Moreover, a good tempered chocolate
will have a preferred texture, which means that it will melt in
the mouth as intended, that it will be just hard enough to bite
through and that there will be no graininess in the chocolates during
melting. Therefore, gloss is also positively related to all the process
parameters in the production of the chocolates, the hardness
measured with instrumental analysis and the WI.