Lee, Maria Fransisca Celine (2021) Pemanfaatan pati biji alpukat dan glukomanan umbi porang (amorphophallus muelleri blume) dalam pembuatan edible coating untuk buah stroberi = Utilization of avocado seed starch and glucomannan porang tuber (amorphophallus mueleri blume) as edible coating for strawberry fruit. Bachelor thesis, Universitas Pelita Harapan.
![Title [thumbnail of Title]](http://repository.uph.edu/style/images/fileicons/text.png)
Title.pdf.pdf
Restricted to Repository staff only
Available under License Creative Commons Attribution Non-commercial Share Alike.
Download (815kB)
Preview
Abstract.pdf.pdf
Available under License Creative Commons Attribution Non-commercial Share Alike.
Download (85kB) | Preview
Preview
ToC.pdf.pdf
Available under License Creative Commons Attribution Non-commercial Share Alike.
Download (219kB) | Preview
Preview
Chapter1.pdf.pdf
Available under License Creative Commons Attribution Non-commercial Share Alike.
Download (108kB) | Preview
![Chapter2 [thumbnail of Chapter2]](http://repository.uph.edu/style/images/fileicons/text.png)
Chapter2.pdf.pdf
Restricted to Registered users only
Available under License Creative Commons Attribution Non-commercial Share Alike.
Download (275kB)
![Chapter3 [thumbnail of Chapter3]](http://repository.uph.edu/style/images/fileicons/text.png)
Chapter3.pdf.pdf
Restricted to Registered users only
Available under License Creative Commons Attribution Non-commercial Share Alike.
Download (265kB)
![Chapter4 [thumbnail of Chapter4]](http://repository.uph.edu/style/images/fileicons/text.png)
Chapter4.pdf.pdf
Restricted to Registered users only
Available under License Creative Commons Attribution Non-commercial Share Alike.
Download (284kB)
![Chapter5 [thumbnail of Chapter5]](http://repository.uph.edu/style/images/fileicons/text.png)
Chapter5.pdf.pdf
Restricted to Registered users only
Available under License Creative Commons Attribution Non-commercial Share Alike.
Download (100kB)
Preview
Bibliography.pdf
Available under License Creative Commons Attribution Non-commercial Share Alike.
Download (185kB) | Preview
![Appendices [thumbnail of Appendices]](http://repository.uph.edu/style/images/fileicons/text.png)
Appendices.pdf
Restricted to Repository staff only
Available under License Creative Commons Attribution Non-commercial Share Alike.
Download (1MB)
Abstract
Buah stroberi merupakan buah yang memiliki kadar air tinggi sehingga mudah
rusak dan memiliki umur simpan yang pendek. Pengaplikasian edible coating
pada buah stroberi merupakan salah satu perlakuan untuk memperlambat
kerusakan dan memperpanjang umur simpan. Biji buah alpukat yang pada
umumnya menjadi limbah, mengandung pati yang tinggi sebesar 66.98%.
Kandungan pati tersebut dapat digunakan sebagai bahan baku pembuatan edible
coating yang baik. Umbi porang mengandung glukomanan yang dapat
dimanfaatkan sebagai penambahan bahan baku untuk meningkatkan karakteristik
edible coating. Tujuan penelitian ini adalah untuk memanfaatkan pati yang
berasal dari biji alpukat dan glukomanan umbi porang sebagai bahan dasar
pembentuk edible coating yang akan diaplikasikan dalam buah stroberi. Pada
penelitian ini menggunakan variasi jumlah pati biji alpukat sebanyak 0.5gram,
0.75gram, dan 1.0gram dan glukomanan umbi porang sebanyak 0.5 gram,
0.75gram, dan 1.0 gram. Pemanfaatan pati biji alpukat sejumlah 0.75 gram
dengan penambahan 0.75 gram glukomanan umbi porang memiliki hasil yang
terbaik terhadap karakteristik film, karena memiliki ketebalan 0.1877 ± 0.0021
mm, laju transmisi uap air 2.0133 ± 0.0352 g.mm2
/m.jam, elongasi 62 ± 1.2156%,
dan nilai kuat tarik 0.005 ± 0.0006 N/mm2
. Formulasi terpilih terbaik yang
digunakan dalam pengaplikasian edible coating buah stroberi. Penyimpanan buah
stroberi dilakukan pada suhu ruang (25oC) dan suhu refrigerator (5oC).
Penyimpanan buah stroberi dengan perlakuan edible coating maupun uncoated yang disimpan pada suhu ruang mengalami kebusukan pada penyimpanan 5 hari, sedangkan pada suhu refrigerator mengalami penurunan kualitas hingga penyimpanan 12 hari. Kadar vitamin C pada buah stroberi dengan perlakuan edible coating maupun yang tidak, terus menurun selama waktu penyimpanan 5 hari. / Strawberry is a fruit that has a high water content, so it has a short shelf life. The application of edible coating to strawberry is one of those treatments to slow down the damage and shelf life. Avocado seeds, which generally become waste, contain 66.98% high starch. The starch content can be used as a raw material for making good edible coatings. Porang tubers contain glucomannan which can be used as an additional raw material to improve the characteristics of the edible coating. The purpose of this study
was to utilize starch from avocado seeds and glucomannan from porang tubers as the
basic ingredients for forming edible coatings to applied in strawberries. In this research,
using variations in the amount of starch of avocado seeds as much as 0.5grams,
0.75grams, 1.0grams, and the glucomannan from porang tubers as much as
0.5grams, 0.75grams, and 1.0 grams. Utilization of 0.5grams of avocado seed
starch with the addition of 0.75grams of glucomannan from porang had the best
results on films characteristics, because it had a thickness 0.1877 ± 0.0021mm, water
vapor transmission rate 2.0133 ± 0.0352 g.mm2/m.hour, 62 ± 1.2156% elongation,
and tensile strength value is 0.005 ± 0.0006 N/mm2. The best selected formulation is
used in the application of the edible coating on strawberries. Strawberries are stored
at room temperature (25oC) and refrigerator temperature (0oC). Strawberries stored
at room temperature rot after 5 days of storage, while at refrigerator temperature the
quality decreases up to 12 days of storage. The levels of vitamin C in strawberries with
edible coating treat or without coating, continued to decrease during the 5-day storage
time
Item Type: | Thesis (Bachelor) |
---|---|
Creators: | Creators NIM Email ORCID Lee, Maria Fransisca Celine NIM00000021801 mariacelinelee@gmail.com UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Cornelia, Melanie NIDN0308115501 UNSPECIFIED Thesis advisor Mastuti, Titri Siratantri NIDN0320117902 UNSPECIFIED |
Uncontrolled Keywords: | buah stroberi; edible coating; edible film; pati biji alpukat; glukomanan umbi porang |
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 6709 not found. |
Date Deposited: | 01 Mar 2021 08:23 |
Last Modified: | 11 Mar 2022 04:16 |
URI: | http://repository.uph.edu/id/eprint/24973 |