Ariesta, Thania (2013) aplikasi edible coating kappa karagenan dan kitosan pada salak pondoh terolah minimal. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Edible coating has been known to have the ability to prolong the shelf life
of foods. In this research, edible coating was made from kappa carrageenan and
chitosan. Kappa carrageenan (0.5, 1, 1.5, and 2%) and chitosan (1; 1.5; and 2%)
were used in the making of edible film. Edible film kappa carrageenan and
chitosan was analyzed for thickness, tensile strength, elongation, and water vapor
transmission rate. The results showed that edible film kappa carrageenan (1.5%)
had the best characteristics on physical and mechanical properties with thickness
0.07±0.00 mm, tensile strength 8.10±0.30 Mpa, elongation 18.29±1.20 %, and
water vapor transmission rate 4.89±0.09 x 10-3g/sm2. Edible film chitosan (1.5%)
had the best characteristics on physical and mechanical properties with thickness
0.08±0.00 mm, tensile strength 16.68±1.06 Mpa, elongation 45.61±1.57 %, and
water vapor transmission rate 2.43±0.17 x 10-3g/sm2. The best results were used
in the making of edible coating on minimally-processed pondoh snakefruit.
Pondoh snakefruit with 8 days of storage was analyzed on hardness, weight loss,
titratable total acid, pH, total soluble solid, and scoring test. The result showed
that minimally-processed pondoh snakefruit with edible coating could minimalize
the changes of hardness, total acid, pH, total soluble solid, reduce weight loss,
and gave high score characteristic. Pondoh snakefruit without edible coating
have been contaminated by mould after 4 days of storage. Minimally-processed
pondoh snakefruit with edible coating could prolong the shelf life until 6 and 8
days, for carrageenan and chitosan, respectively. The result of microsturucture of
edible film chitosan had a tight and solid film rather that kappa carrageenan,
therefore edible film chitosan had better ability to reduce transpiration rate of
pondoh snakefruit.
Item Type: | Thesis (Bachelor) |
---|---|
Creators: | Creators NIM Email ORCID Ariesta, Thania UNSPECIFIED UNSPECIFIED UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Santoso, Joko UNSPECIFIED UNSPECIFIED Thesis advisor Handayani, Ratna UNSPECIFIED UNSPECIFIED |
Additional Information: | SK 34-09 ARI a |
Uncontrolled Keywords: | chitosan ; edible coating ; edible film ; kappa carrageenan ; minimally processed pondoh snakefruit |
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 07:37 |
Last Modified: | 13 Aug 2021 07:11 |
URI: | http://repository.uph.edu/id/eprint/1301 |