2.2.2. Visual panel
The consumer acceptance of the product was studied using a
panel. Nine testers were invited to participate in the visual evaluation
of mushrooms. All of them underwent training in which the
different stages of mushroom deterioration were shown. Two
different tests were carried out. The ranking test was carried out in
accordance with the norm ISO 8587:2006 (“Sensory analysis.
Guidelines for the use of quantitative response scales. (ISO
412:2003),”). This test consisted of assigning a number to the
sample under examination from 1 to 10, where 1 indicated that the
mushroom slices were completely white and 10 indicated that
mushrooms were not suitable for consumption (beyond the best before
date). The second test was a paired comparison test carried
out in accordance with the norms ISO 5495:2005 and ISO
5495:2005/Cor 1:2006 (Zotarelli, Porciuncula, & Laurindo, 2012).
This test was performed as bilateral comparison, where the
researcher did not have previous knowledge about which sample
could be better. The aim of this test was to determine if the consumers
would preferably choose one kind of packaged mushrooms.
Pairs of blank and active packaging were unpacked, placed
randomly and evaluated by the testers.
2.2.2. Visual panelThe consumer acceptance of the product was studied using apanel. Nine testers were invited to participate in the visual evaluationof mushrooms. All of them underwent training in which thedifferent stages of mushroom deterioration were shown. Twodifferent tests were carried out. The ranking test was carried out inaccordance with the norm ISO 8587:2006 (“Sensory analysis.Guidelines for the use of quantitative response scales. (ISO412:2003),”). This test consisted of assigning a number to thesample under examination from 1 to 10, where 1 indicated that themushroom slices were completely white and 10 indicated thatmushrooms were not suitable for consumption (beyond the best beforedate). The second test was a paired comparison test carriedout in accordance with the norms ISO 5495:2005 and ISO5495:2005/Cor 1:2006 (Zotarelli, Porciuncula, & Laurindo, 2012).This test was performed as bilateral comparison, where theresearcher did not have previous knowledge about which samplecould be better. The aim of this test was to determine if the consumerswould preferably choose one kind of packaged mushrooms.Pairs of blank and active packaging were unpacked, placedrandomly and evaluated by the testers.
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