Sensorial evaluation
The results of the sensory evaluation of full-fat cakes, with or
without emulsifier, and those with a 2/3 of substitution of oil
are shown in Table 3. It can be observed that the cake with 2/3
oil substitution and no emulsifier presented a lower valuation
in all the parameters compared to the control, which could be
related to the volume, texture, and colour differences, as well
as other aspects not analysed here such as the juiciness or
flavour that provides the oil. Taking into account consumer
observations, this cake was considered undercooked, and tasted
like uncooked flour. However, the presence of emulsifier,
which had no effect on the sensory acceptability of control
cakes, significantly improved the appearance and overall acceptability
of the cakes with reduced fat content, even
reaching the score of the control cake in appearance. These
changes can be caused by the effect of emulsifiers on the
volume of the cakes. Basically, it is possible to obtain cakes
with reduced oil content, with a good consumer acceptability
(greater than 5 on a scale of 1 to 9), when substituting this
ingredient by an extruded flour. In these cakes, the incorporation
of emulsifier helped to increase their evaluation and
leaded to cakes that did not differ from the control in their
appearance, and only varied one point in their overall
acceptability.
Sensorial evaluationThe results of the sensory evaluation of full-fat cakes, with orwithout emulsifier, and those with a 2/3 of substitution of oilare shown in Table 3. It can be observed that the cake with 2/3oil substitution and no emulsifier presented a lower valuationin all the parameters compared to the control, which could berelated to the volume, texture, and colour differences, as wellas other aspects not analysed here such as the juiciness orflavour that provides the oil. Taking into account consumerobservations, this cake was considered undercooked, and tastedlike uncooked flour. However, the presence of emulsifier,which had no effect on the sensory acceptability of controlcakes, significantly improved the appearance and overall acceptabilityof the cakes with reduced fat content, evenreaching the score of the control cake in appearance. Thesechanges can be caused by the effect of emulsifiers on thevolume of the cakes. Basically, it is possible to obtain cakeswith reduced oil content, with a good consumer acceptability(greater than 5 on a scale of 1 to 9), when substituting thisingredient by an extruded flour. In these cakes, the incorporationof emulsifier helped to increase their evaluation andleaded to cakes that did not differ from the control in theirappearance, and only varied one point in their overallacceptability.
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