Kwee, Anne, Marie (2017) Utilization of moringa oleifera leaf as green grass jelly imitation. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Moringa oleifera leaves are rich in protein and calcium (5.8g Protein and 261mg
Calcium/100g) but is rarely used in Indonesia, except in vegetable soups. This
leaf has been used to fight malnutrition in African countries, because of its fast
growth and tolerance to different weather conditions. In Indonesia the tropical
temperatures create an optimal weather for Moringa to flourish. Because the
consumption can benefit normal diets as well, this experiment’s goal was to utilize
the leaf to be formulated into a grass jelly. This product was chosen because ‘es
cincau’ is a locally favored dessert. Before using the Moringa leaf, pre-treatments
were tried to determine the most effective times of boiling with minimal nutrition
degradation. Cooking the leaves in boiling water for 3 min was found to be most
effective. Compared to the traditional green grass jelly (cincau) the leaf of
Moringa naturally does not contain enough pectin to form a gel on its own.
Therefore commercial pectin was added into the formulation. Combinations of
three levels (2, 3 and 4%) for both pectin and leaf powder concentration were
combined with sugar and water. Physicochemical and sensory analysis were done
on each formulation of the jelly. As a result, the leaf concentration was a
prominent factor to the hardness and cohesiveness of the jelly, having more effect
than the different levels of pectin concentration. The color lightness also
decreased with increasing levels of leaf concentration. For sensory acceptance,
the results did not show a statistically significant difference between formulations,
in either scoring or hedonic. The critical attribute of texture was attempted to be
improved in the following stage, by adding a second gelling agent into the
formulation. Either agar (1%) or konjac (1%) was used in combination of the
same pectin levels as before, all formulations using the highest level of leaf
concentration (4%). This increased the acceptance of the jellies in all sensory
parameters measured (aroma, texture and taste). Therefore, it can be concluded
that the texture affected the perception of the panelists on the other attributes. The
utilization of the Moringa leaf was accomplished, although the acceptability can
still be improved.
Item Type: | Thesis (Bachelor) |
---|---|
Creators: | Creators NIM Email ORCID Kwee, Anne, Marie NIM00000003621 UNSPECIFIED UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Natania, Natania NIDN0313098401 UNSPECIFIED |
Additional Information: | NIM 00000003621 |
Uncontrolled Keywords: | Moringa oleifera, green grass jelly, pectin, agar, konjac, cincau, nutritious alternative and malnutrition |
Subjects: | T Technology > TP Chemical technology > TP368-456 Food processing and manufacture |
Divisions: | University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology |
Depositing User: | Users 18 not found. |
Date Deposited: | 16 Oct 2018 07:43 |
Last Modified: | 16 Sep 2020 02:30 |
URI: | http://repository.uph.edu/id/eprint/1425 |