Agustin, Felicia (2019) Application of Dragon Fruit (Hylocereus Polyrhizus) Pectin and Cassava Starch in Edible Coating Formulation to Extend Storage Time of Fresh-Cut Apples (Malus Sylvestris) = Aplikasi Pektin Buah Naga dan Tapioka dalam Formulasi Edible Coating untuk Memperpanjang Umur Simpan Apel Potong Segar. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Dragon fruit (Hylocereus polyrhizus) peel is a waste from dragon fruit consumption that contains pectin. Edible coating can be used to increase storage time of food product, such as fresh-cut apples (Malus sylvestris). The aim of this research was to utilize dragon fruit pectin in the making of edible coating to extend the storage time of fresh-cut apples in different storage condition. The concentration of dragon fruit pectin used in this research were 1.46, 1.93, and 2.40%, while the concentration of cassava starch used were 40%, 50%, 60%. The incorporation of different concentration of dragon fruit pectin and cassava starch was done to determine the edible film with the desirable characteristics. Edible film made with 1.93% of pectin and 50% of cassava starch (based on pectin weight) had a high tensile strength, moderate elongation and moderate water vapor transmission rate value. Edible film with the selected formulation was applied to the fresh-cut apples at different storage time. The uncoated fresh-cut apples stored in room temperature and refrigeration temperature only had storage time for 2 and 12 days, respectively. While, the coated fresh-cut apples stored in room temperature and refrigeration temperature had storage time up to 3 and 15 days, respectively. The application of edible coating can maintain the hardness, lightness, total titratable acidity and total dissolved solids and also reduce the weight loss, total plate count and total molds and yeast count of fresh-cut apples during storage. Therefore, the application of edible coating can be used to extend the storage time of fresh-cut apples in both room temperature and refrigeration
temperature.
Item Type: | Thesis (Bachelor) |
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Creators: | Creators NIM Email ORCID Agustin, Felicia NIM00000013240 feliciaagustin@gmail.com UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Halim, Yuniwaty NIDN0303068501 UNSPECIFIED |
Additional Information: | SK 34-15 AGU a 2019; 31001000242280 |
Uncontrolled Keywords: | Cassava starch; dragon fruit; edible coating; edible film; fresh-cut apples; hylocereus polyrhizus; malus sylvestris; pectin |
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: | Nicholas Sio Pradiva |
Date Deposited: | 18 Oct 2021 06:23 |
Last Modified: | 09 Feb 2022 08:42 |
URI: | http://repository.uph.edu/id/eprint/42752 |