Sensory analyses
A group of 51 panellists, consumers of ready-to-eat fresh
products with no previous experience, evaluated the smell, visual
appearance, texture and general acceptability of the samples by
paired comparison tests (ISO 5495-2005). A total of three pairs of
samples were evaluated. Each pair consisted of two samples. The
first pair were samples packaged with CONTROL and OEO films, the
second pair were CONTROL and CITRAL, and the third pair were
OEO and CITRAL.
Three pairs of samples were evaluated in each session and
a total of two sessions was performed: on the 1st day, to determine
the initial impact of the aromatic agent, and on the 8th day after
packaging, to verify the quality and acceptability at the end of
storage. The tests were done in a standardized test room (ISO 8589-
2007). Samples of “four season salad” were placed in PP/EVOH bags
identified by three-digit codes. The Williams method for constructing
such designs was applied to the sensory studies (MacFie,
Bratchell, Greenhoff, & Vallis, 1989).
2.9. Statistical
Sensory analysesA group of 51 panellists, consumers of ready-to-eat freshproducts with no previous experience, evaluated the smell, visualappearance, texture and general acceptability of the samples bypaired comparison tests (ISO 5495-2005). A total of three pairs ofsamples were evaluated. Each pair consisted of two samples. Thefirst pair were samples packaged with CONTROL and OEO films, thesecond pair were CONTROL and CITRAL, and the third pair wereOEO and CITRAL.Three pairs of samples were evaluated in each session anda total of two sessions was performed: on the 1st day, to determinethe initial impact of the aromatic agent, and on the 8th day afterpackaging, to verify the quality and acceptability at the end ofstorage. The tests were done in a standardized test room (ISO 8589-2007). Samples of “four season salad” were placed in PP/EVOH bagsidentified by three-digit codes. The Williams method for constructingsuch designs was applied to the sensory studies (MacFie,Bratchell, Greenhoff, & Vallis, 1989).2.9. Statistical
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