In this test, the number of positive votes that let to
conclude that there were significant differences (a ¼ 0.05) between
samples was 30 or 27 with 45 or 40 total answers, respectively.
Table 2 shows that testers preferred mushrooms contained into the
packaging with metabisulphite/citric acid (0.60/0.15 g/m2) after 1
and 4 days of storage. After 7 and 11 days the evaluation panel did
not preferred metabisulphite/citric acid (0.60/0.15 g/m2) test
pouches. This was likely caused by the yellow spotting that
appeared as result of too high concentration of sulphur dioxide
released. In fact, when decreasing the citric acid concentration from
0.15 g/m2 to 0.06 g/m2, the yellow spotting did not happen so
frequently and, therefore, testers preferred active package to blank
samples even after 8 days of storage.
In this test, the number of positive votes that let toconclude that there were significant differences (a ¼ 0.05) betweensamples was 30 or 27 with 45 or 40 total answers, respectively.Table 2 shows that testers preferred mushrooms contained into thepackaging with metabisulphite/citric acid (0.60/0.15 g/m2) after 1and 4 days of storage. After 7 and 11 days the evaluation panel didnot preferred metabisulphite/citric acid (0.60/0.15 g/m2) testpouches. This was likely caused by the yellow spotting thatappeared as result of too high concentration of sulphur dioxidereleased. In fact, when decreasing the citric acid concentration from0.15 g/m2 to 0.06 g/m2, the yellow spotting did not happen sofrequently and, therefore, testers preferred active package to blanksamples even after 8 days of storage.
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