The highest percentage of ratings by
participants using the JAR scale, revealed that the
intensities of color, yogurt odor, rice odor and
texture of the product were rated as “just-aboutright”.
On the contrary, the product was most rated
as “too weak” for sourness and thickness strength.
Subsequently, to improve the sourness
and thickness of the product, the level of sucrose
was lessened to 2% (w/w) combined with an
extension of the fermentation time, while more
skim milk powder was added to increase the
thickness. The response on the frequency of each
attribute after the modification is shown in
Figure 2.
Figure 2 shows that the opinions on most
attributes were rated as “just-about-right” with the
highest percentage of respondents ranging from