Nisa', Nazifatun (2018) Karakterisasi protein gelatin tulang ayam broiler (Gallus domestica) tipe A menggunakan SDS-PAGE (Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis). Undergraduate thesis, Universitas Islam Negeri Maulana Malik Ibrahim.
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Abstract
INDONESIA:
Gelatin merupakan produk yang banyak diaplikasikan di industri makanan, farmasi, kosmetik, dan fotografi. Kebutuhan gelatin di Indonesia mayoritas diperoleh dengan cara impor sehingga tidak jelas status kehalalannya. Hal tersebut menimbulkan kekhawatiran bagi kalangan Muslim. Pemanfaatan tulang ayam broiler sebagai bahan baku pembuatan gelatin halal merupakan alternatif yang dapat digunakan untuk memenuhi kebutuhan gelatin dalam negeri. Penelitian ini bertujuan mengetahui profil protein gelatin tulang ayam broiler hasil pemurnian dengan aseton. Protein gelatin diperoleh dari pemurnian menggunakan aseton dengan variasi konsentrasi 20, 40, 60, dan 80%. Protein yang telah dimurnikan ditentukan kadar proteinnya dengan metode Lowry. Protein dikarakterisasi menggunakan SDS-PAGE untuk menentukan berat molekul protein, dan FTIR untuk identifikasi daerah serapan gelatin. Data kadar protein dianalisis dengan ANOVA Two way dan dilanjutkan dengan uji BNT. Kadar protein gelatin ekstrak kasar adalah 0,086-0,101 mg/mL. Gelatin hasil pemurnian dengan aseton 20, 40, 60, dan 80% memiliki kadar protein berturut-turut sebesar, 0,015-0,023; 0,014-0,024; 0,023-0,046; dan 0,068-0,097 mg/mL. Variasi konsentrasi aseton untuk pemurnian memberikan pengaruh yang berbeda nyata (p < 0,05) terhadap kadar protein. Gelatin tulang ayam hasil pemurnian dengan aseton 80% memiliki pita protein pada berat molekul 100-138 kDa. Gelatin tulang ayam memiliki lima daerah serapan yaitu, Amida A (3487,82-3424,18 cm-1), Amida B (2932,36-2928,50 cm-1), Amida I (1655,57-1649,79 cm-1), Amida II (1543,71-1541,78 cm-1), dan Amida III (1267,91-1235,12 cm-1).
ENGLISH:
Gelatin is widely applied product at industry of food, pharmacy, cosmetic, and photography. The need of gelatin in Indonesia primary supplied by improting those needs and affected on its unknown halal status. This fact arouse the feeling of insecurity among muslim. The utilization of broiler chicken bone as a primary ingredient of halal gelatin production is an alternative that is used to supplied the needs of domestic gelatin. The objective of this experiment was to know the protein profile of bone’s gelatin of chicken broiler bone. Protein of gelatin was produced by acetone used purification with various concentration 20, 40, 60, and 80 percent. The protein content of purified gelatin is determined using Lowry method. Protein is characterized using SDS – PAGE to determine protein molecule mass, and FTIR to identified gelatin absorption area. Protein content data was analyzed by ANOVA Two Way and continued by BNT test. Protein content of crude gelatin extract is 0.086 – 0.101 mg/mL. The purified gelatin with acetone 20, 40, 60, and 80 % has a successive protein content are 0.015 – 0.023 mg/mL, 0.014 – 0.024 mg/mL, 0.023 – 0.046 mg/mL, and 0.068 – 0.097 mg/mL . Various acetone concentration for purification gave really different impact to protein content (p < 0.05). Gelatin of chicken’s bone had typical absorption areas, they were Amida A (3487.82 – 3424.18 cm-1), Amida B (2932.36 – 2928.50 cm-1), Amida I (1655.57 – 1649.79 cm-1), Amida II (1543.71 – 1541.78 cm-1), and Amida III (1267.91 – 1235.12 cm-1).
Item Type: | Thesis (Undergraduate) | |||||||||
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Supervisor: | Jannah, Akyunul and Romaidi, Romaidi | |||||||||
Contributors: |
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Keywords: | Gelatin tulang ayam broiler; presipitasi aseton; Lowry; elektroforesis SDS-PAGE; Broiler chicken bone gelatin; acetone precipitation; electrophoresis SDS – PAGE; FTIR | |||||||||
Departement: | Fakultas Sains dan Teknologi > Jurusan Kimia | |||||||||
Depositing User: | Heni Kurnia Ningsih | |||||||||
Date Deposited: | 15 Mar 2019 08:51 | |||||||||
Last Modified: | 15 Mar 2019 08:51 | |||||||||
URI: | http://etheses.uin-malang.ac.id/id/eprint/13400 |
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