Carbohydrate content (47.13%) of the control cake
sample deceased to 33.7% and 23.7% when prepared with
15% and 20% substituted sprouted soybean flour; and to
40.13% and 34.14% when prepared with 15% and 20%
substituted blanched soybean flour respectively. The
reduced carbohydrate content in the cake sample is vital to
reduce the risk of diabetes resulting from high glycemic
index. The nutrient content of the cake sample were
improved with locally sourced cassava and soybean and
their incorporation is advocated for more cake supply in the
country.
Table 4 shows the sensory scores reported by
sensory panellists who evaluated quality of the cake
samples. The sensory attributes (colour, flavour, mouthfeel
and texture) were not affected significantly (P < 0.05) by the
30% cassava flour, and 10% 15% or 20% soybean flour substitution for wheat flour in the cake samples. However
sensory scores for colour and texture increased slightly with
increasing soybean substitution. Sensory scores on a 9-
point hedonic scale ranged from 7.85% to 8.60 for the
sensory attributes evaluated and indicated high
acceptability of the cake samples by the assessors. None of the attributes had score below the mean mark (4.5) of the
maximum score (9) of the scale. Thus 30% cassava flour,
and 10%, 15% or 20% soybean flour substitutions for wheat
flour did not reduce sensory quality of the cake samples. The
result suggested that soybean and cassava flour could
economically be substituted for wheat flour in cake
production to improve the nutrient content without reducing
the sensory quality. Modified recipes with either of reduced
shortening or use of defatted soybean or a combination of
both are recommended for production of dietetic cakes
acceptable to everybody