Radzi, Hilma Aini Md
(2020)
Incorporation Of Banana Peel Fiber In
Jelly As A Functional Food Precursor.
Project Report.
Universiti Sains Malaysia.
(Submitted)
Abstract
The peel of banana was evaluated for the potential to be utilized as dietary fiber for
functional food. The main objectives of this study were to develop banana peel fiber jelly
by incorporating the banana peel fiber extract in the jelly formulation, to determine total
dietary fiber content, texture properties and syneresis of produced fiber-added jelly.
Banana peel powder was treated with the enzymatic-gravimetric method to extract the
fiber powder from banana peel prior to drying and grinding treatments. Obtained banana
peel fiber powder was incorporated into the jelly with two different ratios (5 and 10%) to
produce jelly from fruit wastes with high fiber content. Both jelly samples including jelly
sample with 5% banana peel fiber added and jelly with 10% banana peel fiber added were
undergone total dietary fiber (TDF), texture and syneresis analysis. The increasing
amount of banana peel incorporated into jelly had significantly increased (p<0.05) in TDF
of jelly samples. For texture properties, it was found that the concentration of banana peel
fiber had a significant effect on the texture properties of the jelly. An increase the fiber
content caused a significant difference (p<0.05) in hardness, adhesiveness, cohesiveness,
springiness and chewiness except for the other parameter which is gumminess was not
significantly affected (p>0.05). Fiber-added jelly made with 10% banana peel fiber
extract had significantly decreased (p<0.05) in syneresis values for both of refrigerated
storage time. In summary, peel of banana used in this study had a great potential to be
used as the functional ingredients for dietary fiber addition in the jelly. Both banana peel
jellies were safe for consumption.
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