Page 159 - Shaping A Sustainable Future

The team also searched online, and it was stated in given to the participants after 5 minutes. A survey was
the paper, “Oral Perception of the temperature of conducted after the participant had tasted the drinks.
liquids” that “liquids must be as much as 5°C below the The sample survey form can be found in Annex B.
temperature of the oral mucosa (36°C) to be always
perceived as cool”. Thus, with this in mind, the team From the results shown in Table 2 and Figure 4, it
drew the first conclusion that even only 25 % of the ice was observed that more than 80% of the individuals
given in a cup will meet the consumer’s perception of a responded that the coldness for three ice cubes was
cool drink. “Just Nice” for water at a chilled temperature.

A group of 30 staff & students were invited to this Hence, this implied that 50 % of ice cubes were sufficient
research. The participants were blindfolded to avoid to make the drinks cold enough to satisfy the majority of
perspective inaccuracy (see Figure 3). Each participant the individuals.
was given 6 cups of chilled water at 6°C each with a
different percentage of ice cubes added. The drinks were

Percentage of ice- Not cold enough Somewhat cold Just right Somewhat too cold Very cold
filled in a cup
0% 20 8 2 0 0
25% 16 10 4 0 0
50% 0 2 25 3 0
75% 0 2 19 6 3
100% 0 0 0 12 18

Table 2: Test conducted among 30 students and staff and based on 165 ml of water at chilled temperature using ice cubes
from the drink stall.

Figure 3: The team surveying 30 individuals.

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