Produksi n-asetilglukosamin dari kitin cangkang udang dengan enzim kitinase intraselular dari salmonella enterica = N-acetylglucosamine production from shrimp shell chitin using intracellular chitinase enzyme from salmonella enterica

Andrea, Beby (2020) Produksi n-asetilglukosamin dari kitin cangkang udang dengan enzim kitinase intraselular dari salmonella enterica = N-acetylglucosamine production from shrimp shell chitin using intracellular chitinase enzyme from salmonella enterica. Bachelor thesis, Universitas Pelita Harapan.

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Abstract

Kitin dan senyawa turunannya memiliki banyak manfaat terhadap kesehatan, hingga pemanfaatan dari kitin sedang dikembangkan. Kitin dari limbah cangkang udang diisolasi dan dihidrolisis menjadi senyawa turunannya, N-asetilglukosamin, oleh enzim kitinase intraselular yang berasal dari Salmonella enterica sebagai mikroorganisme kitinolitik. Penelitian ini ditujukan untuk mengetahui kondisi terbaik bagi enzim kitinase dalam menghidrolisis kitin menjadi N- asetilglukosamin. Penelitian diawali dengan pengeringan cangkang udang, pembuatan tepung cangkang udang, isolasi kitin dari tepung cangkang udang, dan pembuatan kitin koloidal. Metode yang digunakan adalah metode eksperimental yang terdiri dari 2 tahap, dimana tahap I ditujukan untuk mengetahui pH substrat dan suhu inkubasi terbaik dengan perlakuan pH 3, 4, 5, 6, 7, 8. 9 untuk pH substrat dan 35o C, 40o C, 45o C, 50o C, 55o C, 60o C untuk suhu inkubasi. Tahap II ditujukan untuk mengetahui lama inkubasi dan rasio enzim dengan substrat (v/v) terbaik dengan 1, 2, 3, 4, dan 5 jam lama inkubasi serta 1:1, 1:3, 1:5, 1:7, dan 1:9 untuk rasio enzim dengan substrat. Hasil terbaik didapatkan dengan inkubasi menggunakan pH substrat 4, suhu inkubasi 35o C, lama inkubasi selama 2 jam, dan rasio substrat sebesar 1:9 dengan kadar N-asetilglukosamin sebesar 397,25 ± 6,61 ppm untuk enzim semi-crude dan 384,47 ± 3,94 untuk enzim crude. pH substrat, suhu inkubasi, dan lama inkubasi berpengaruh signifikan terhadap N- asetilglukosamin yang dihasilkan, sementara rasio enzim dengan substrat tidak berpengaruh secara signifikan / Chitin from shrimp shell waste is isolated and hydrolyzed into its derivative, N-acetylglucosamine, by the intracellular chitinase enzyme derived from Salmonella enterica as chitinolytic microorganisms. This study aimed to determine the best conditions for the enzyme chitinase in hydrolyzing chitin to N- acetylglucosamine. The research began with drying the shrimp shell, making shrimp shell flour, chitin isolation from shrimp shell flour, and making colloidal chitin. The method used is an experimental method consisting of 2 stages, where the first stage is intended to determine the best substrate pH and incubation temperature with pH 3, 4, 5, 6, 7, 8. 9 treatment for substrate pH and 35o C, 40o C, 45o C, 50o C, 55o C, 60o C for incubation temperature. The second stage is intended to determine the best incubation time and enzyme: substrate (v / v) ratio with 1, 2, 3, 4, and 5 hours of incubation time and 1: 1, 1: 3, 1: 5, 1: 7, and 1: 9 for enzyme: substrate ratio. The best results were obtained by incubation using substrate pH 4, incubation temperature at 35oC, incubation time for 2 hours, and substrate ratio of 1:9 with N-acetylglucosamine produced is 397,25 ± 6,61 ppm for semi-crude enzymes and 384,47 ± 3,94 for crude enzymes. pH of the substrate, incubation temperature, and incubation time significantly effect the N- acetylglucosamine produced, while the enzyme:substrate ratio has no significant effect.

Item Type: Thesis (Bachelor)
Creators:
CreatorsNIMEmail
Andrea, BebyNIM00000019712eufrasiiaa@gmail.com
Contributors:
ContributionContributorsNIDN/NIDKEmail
Thesis advisorHandayani, RatnaNIDN0311097601UNSPECIFIED
Uncontrolled Keywords: kitin; kitinase; n-asetilglukosamin; salmonella enterica
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 2301 not found.
Date Deposited: 24 Feb 2020 04:07
Last Modified: 13 Jul 2020 08:32
URI: http://repository.uph.edu/id/eprint/7884

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