Visual panel
The quality of mushrooms was visually evaluated by a trained
panel of 9 people, by means of a ranking test and a paired comparison
test. Table 2 contains the results of the ranking test for the
two most efficient antioxidants. An average scoring of 40 evaluations
was taken into account. After 1 and 4 days of storage, the
mushrooms that had been stored in metabisulphite/citric acid (0.6/
0.15 g/m2) test pouches scored better (1st day score: 2.1; 4th day
score: 2.6) than the mushrooms that had been stored in blank test
pouches (1st day score: 4.2; 4th day score: 5.2). No differences in
the score were obtained between these two kinds of pouches after
7 or 11 days. Also, the mushrooms stored in green tea extract test
pouches were scored slightly better than the mushrooms stored in
blank test pouches, pointing out that the former looked fresher