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All Journal IJCR (Indonesian Journal of Chemical Research)
Brilliany, Rhaina Annadroh
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Materials Science & Nanotechnology

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Synthesis Of Chitosan From Lobster (Nephropidae) Shell Using Reflux Heating Method Aminati, Salmah; Brilliany, Rhaina Annadroh; Dini Aprilia , Segi Tasya; Arini, Regita Putri; Warahmah, Siti Aisyah Mawaddah; Cahayaningsih, Ananda Capriyati
INDONESIAN JOURNAL OF CHEMICAL RESEARCH Vol. 10 No. 1 (2025): Volume 10, ISSUE 1, 2025
Publisher : Chemistry Department, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijcr.vol10.iss1.art5

Abstract

Chitosan synthesis from lobster shell waste (Neurophidae) has been carried out using a conventional heating method using reflux. The synthesis of chitin into chitosan was carried out by demineralization using a 5% (v/v) HCl solution, followed by a deproteination process using a 3.5% NaOH solution with a ratio of 1:10 (w/v) until chitin was formed. The chitin formed was then deacetylated using a 40% (w/v) NaOH solution until chitosan was formed. Analysis of the synthesized chitin and chitosan included confirmation of the FTIR spectra, as well as determining the degree of deacetylation of chitosan. The characterization results showed that lobster shell waste can be synthesized into chitosan using a conventional heating method at a temperature of 50-70 °C for 1 hour. The chitosan formed had a degree of deacetylation of 73.92%. Meanwhile, the yield of chitin was 35% and the yield for chitosan was 13%.
Co-Authors Aminati, Salmah Arini, Regita Putri Cahayaningsih, Ananda Capriyati Dini Aprilia , Segi Tasya Warahmah, Siti Aisyah Mawaddah