Patricia, Patricia (2013) Characterization of edible film from jackfruit seed (artocarpus heterophyllus lam.) starch and its utilization as edible coating to strawberry (fragaria ananassa). Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Jackfruit (Artocarpus Heterophyllus Lam.) seed may be utilized as the
basic material in the preparation of edible film since it is rich in starch. This
study was aimed to determine three best concentrations of jackfruit seed starch
and plasticizer that would result in good characteristics of edible film, which are
tensile strength, elongation, thickness, and water vapor transmission rate
(WVTR). The study was also aimed to determine the shelf life of strawberry coated
with jackfruit seed starch edible film at room and refrigeration temperature. The
jackfruit seed starch was extracted using di fferent concentrations of sodium
metabisulphite (0, 0.25, 0.5, and 0.75%). Extraction using 0.5% sodium
metabisulphite resulted in the highest yield of starch (47.51% db). Combinations
of jackfruit seed starch (3.5, 4.5, 5.5, and 6.5%) and plasticizer (1, 2, and 3%)
were used in the making of edible film. The combination of 3.5%-3% of starch and
plasticizer was chosen due to the low WVTR, the 5.5%-1% combination was
chosen due to the high tensile strength, and 3.5%-1% was chosen due to the low
water vapor transmission rate and intermediate tensile strength. These
combinations were applied to the strawberry fruit which was stored at room and
refrigeration temperature. The hedonic test showed that the coated strawberry
was accepted by the panelists. The strawberry that was coated and stored in room
temperature had 3 days in shelf life as compared to the control which had less
than 36 hours. The coated strawberry stored in refrigeration temperature had a
markedly longer shelf life of 26 days as compared to that of the control of 10
days.
Item Type: | Thesis (Bachelor) |
---|---|
Creators: | Creators NIM Email ORCID Patricia, Patricia NIM03420090013 UNSPECIFIED UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Pokatong, Wilbur Donald Raymond NIDN0002106402 UNSPECIFIED Thesis advisor Wijaya, Julia Ratna NIDN0305076905 UNSPECIFIED |
Additional Information: | SK 34-09 PAT c |
Uncontrolled Keywords: | jackfruit seed starch ; edible film ; coating ; strawberry ; artocarpus heterophyllus lam |
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 17 not found. |
Date Deposited: | 16 Oct 2018 07:39 |
Last Modified: | 01 Oct 2021 03:58 |
URI: | http://repository.uph.edu/id/eprint/1335 |