Adiputra, Kevin Christonar (2019) Karakteristik water soluble chitosan dari kulit udang vaname (litopenaeus vannamei) hasil hidrolisis asam asetat = Characteristic of Water Soluble Chitosan From Whiteleg Shrimp Skin (Litopenaeus Vannamei) as a Result of Acetic Acid Hydrolysis. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Kitosan merupakan produk turunan deasetilasi kitin dari pengolahan limbah udang yang memiliki struktur 2-amino-2-deoksi-D-glukosa. Kitosan memiliki banyak manfaat dalam bidang pangan, namun karena kelarutannya yang rendah dalam air membatasi aplikasinya pada pangan. Kitosan hanya larut dalam asam, sehingga berat molekulnya perlu diturunkan dengan proses hidrolisis, salah satunya adalah hidrolisis asam yang bertujuan untuk melarutkan kitosan dalam air. Dalam penelitian ini, berbagai konsentrasi asam asetat (1, 3, 5%) diteliti. Sebagai tambahan, waktu hidrolisis (30, 60, 90 menit) dan suhu hidrolisis (30, 40, 50, 60oC) juga diteliti pengaruhnya terhadap karakteristik fisik dan kimia dari water soluble chitosan. Hasil yang didapatkan pada penelitian ini menunjukkan bahwa konsentrasi asam asetat 5% dapat menghasilkan water soluble chitosan dengan berat molekul terendah 198,64 kDa dan kelarutan tertinggi 46,10%. Water soluble chitosan yang dihidrolisis pada suhu 60oC selama 90 menit memiliki derajat deasetilasi 92,92%, viskositas 0,85 cP, berat molekul 166,34 kDa, dan kelarutan dalam air sebesar 53,66%.
Item Type: | Thesis (Bachelor) | ||||||||||||
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Additional Information: | SK 34-15 ADI k 2019; 31001000240573 | ||||||||||||
Uncontrolled Keywords: | asam asetat; hidrolisis; kitosan; water soluble chitosan | ||||||||||||
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 |
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Depositing User: | Users 3 not found. | ||||||||||||
Date Deposited: | 13 Nov 2020 08:33 | ||||||||||||
Last Modified: | 09 Feb 2022 08:36 | ||||||||||||
URI: | http://repository.uph.edu/id/eprint/12288 |
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