VITAMIN A FORTIFIed PEANUT BUTTER - The Official Website of ...

Sensory Characteristics
Results of initial sensory evaluation shown in Table 8.5 indicate that the fortified product had a
moderate roasted peanut odor and flavor and a perceptible burnt-like odor and flavor. No stored-like,
rancid-like, fortificant-like/medicinal-like and other off-odors were detected by panelists. The product
was noted to have a slightly sweet taste with perceptible salty and bitter taste.
During storage at different temperatures, the product was observed to have developed a rancid
odor as shown in Table 8.6. A slight rancid odor was noted after the product was kept in storage for 127
days at 45 o C, perceptible rancid odor after 136 days storage at 40 o C, and slight to perceptible rancid odor
after 188 days at 35 and 30 o C, respectively. At these storage times, the panelists evaluated the product as
unacceptable (Table 8.7).
Table 8.5 Initial sensory characteristics of vitamin A fortified peanut butter packed in
transparent glass tumblers with design
Sensory Characteristic Evaluation
1. Odor
1.1 Intensity of characteristic roasted peanut odor
1.2 Intensity of fortificant-like/medicinal-like odor
1.3 Presence of burnt-like odor
1.4 Presence of stored-like odor
1.5 Presence of rancid-like odor
1.6 Presence of other off-odor
2. Flavor
2.1 Intensity of characteristic roasted peanut flavor
2.2 Intensity of fortificant-like/medicinal-like flavor
2.3 Presence of burnt-like flavor
2.4 Presence of stored-like flavor
2.5 Presence of rancid-like flavor
2.6 Presence of other off-flavor
2.7 Intensity of sweet taste
2.8 Intensity of salty taste
2.9 Presence of bitter taste
3. Acceptability Test
3.1. Overall
3.2. Odor
3.3. Flavor
Moderate
None
Perceptible
None
None
None
Moderate
None
Perceptible
None
None
None
Slight
Perceptible
Perceptible
Like Moderately
Like Moderately
Like Moderately
268