3.2.2.3 Sensory evaluation
Preference ranking test (interval scale method) was the sensory tool used in this analysis. Fifty
(50) untrained panelists participated in this analysis. Pineapple slices of approximately 3 cm x
4 cm x 4 cm were prepared in triangular wedge. Four each were packaged in plain polyethylene
bags and sealed for sensory analysis (Fig 3.1). Panelists were given samples from the two
varieties of pineapples, one variety at a time. They were asked to taste the samples from left to
right, cleansing their palate before each sample by taking a bite of crackers and a sip of water.
Panelists scored on an interval scale of 0-10 cm their degree of likeness (0= dislike very much,
10= like very much, and 5= like moderately) to assess quality attributes such as taste (sweet-sour
balance), texture (firmess, softness), and appearance/colour (appendix D1). Data obtained were
subjected to statistical analysis using Design Expert (2007). Both varieties of pineapples were
used for sensory analysis.
3.2.2.3 Sensory evaluation
Preference ranking test (interval scale method) was the sensory tool used in this analysis. Fifty
(50) untrained panelists participated in this analysis. Pineapple slices of approximately 3 cm x
4 cm x 4 cm were prepared in triangular wedge. Four each were packaged in plain polyethylene
bags and sealed for sensory analysis (Fig 3.1). Panelists were given samples from the two
varieties of pineapples, one variety at a time. They were asked to taste the samples from left to
right, cleansing their palate before each sample by taking a bite of crackers and a sip of water.
Panelists scored on an interval scale of 0-10 cm their degree of likeness (0= dislike very much,
10= like very much, and 5= like moderately) to assess quality attributes such as taste (sweet-sour
balance), texture (firmess, softness), and appearance/colour (appendix D1). Data obtained were
subjected to statistical analysis using Design Expert (2007). Both varieties of pineapples were
used for sensory analysis.
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