suggested that as the water is evaporated from the
food product during frying, the rate of oil absorption
increases due to a reduction in the pore internal
pressure. The aim of the project was to determine
the effect of using different concentration of sugar
to the oil uptake of fried banana chips. Besides that,
the moisture content of banana chips before and after
frying, colour analysis and sensory evaluation were
also being determined in order to study the effect of
pre-treatment to the final fried banana chips.
Material and Methods
Preparation of fried banana chips
Firstly, the banana that has been sliced and
blanched in hot water (80o
C) for 5 minutes. Next,
the sliced banana was dipped into the sugar solution
that has been added with 100 ml of distilled water.
Sugar solutions with different concentration (4 g, 8
g and 12 g) were prepared. The sliced bananas were
dipped in sugar solution at different concentration for
30 seconds. Then, the moisture content on the sliced
banana was determined before and after frying. The
sliced banana were deep fried pan using palm oil at
the temperature 180o
C and fried for 5 minutes until
the banana chips turn brown.
Determination of moisture content of raw and fried
banana chips
Moisture was determined by using moisture
analyzer, (Sartorious MA 35, Germany). All reading
was done in triplicate and the mean for moisture
content were presented in mean ± standard deviation
value.
Determination of fat content in fried banana chips
using Soxhlet extraction
The empty solvent beaker was weighed. Then, 2 g
( 0.01) pre dried sample were weighed and placed into
a pre dried extraction thimble. NOTE: If the sample
contains more than 10% , dry the sample to constant
weight at 95-100°C under pressure for about 5 hour.
Filter paper was put with sample into the thimble
that covered with cotton wool. The thimbles were
transferred in soxhlet extraction. 125 ml petroleum
ether was added in the solvent beaker. SOP/OP/002-
BUCHI-Soxhlet Extraction System were referred
to start up the process. The unit completed after
2hours and 30 minutes. Oven was pre- heated at
100°C 10 minutes before unit complete. The solvent
beaker were dried with extracted fat in an air oven
at 100°C for 30 minutes, cooled in desiccator’s and
the weighed was determined. The result was recorded
and presented in mean ± standard deviation value