PENGARUH SUHU DAN WAKTU REAKSI PADA PEMBUATAN KITOSAN DARI TULANG SOTONG (Sepia officinalis)
DOI:
https://doi.org/10.29103/jtku.v5i2.88Keywords:
kitosan, tulang sotong, suhu, waktu, deasetilasiAbstract
Dilakukan penelitian pembuatan kitosan dengan menggunakan bahan baku tulang sotong. Kitosan dibuat dengan tiga tahapan, yaitu deproteinasi dengan mereaksikan bahan baku dengan NaOH 4 %, demineralisasi dengan menambahkan HCl 1 M, dan deasetilasi dengan mereaksikan hasil demineralisasi dengan NaOH 50% dengan variasi suhu dan waktu deasetilasi. Produk kitosan yang dihasilkan kemudian diuji kadar air, kadar abu, viskositas dan dikarakterisasi gugus fungsinya menggunakan spektrofotometer FT-IR. Hasil penelitian menunjukkan bahwa suhu berpengaruh pada kadar air, kadar abu dan viskositas kitosan. Waktu berpengaruh pada kadar abu kitosan. Derajat deasetilasi yang didapat pada penelitian ini sebesar 81,0231 %. Berdasarkan hasil FT-IR, kitosan yang dihasilkan dari tulang sotong pada penelitian ini memiliki gugus hidroksil, gugus amida, dan gugus amina yang merupakan ciri terbentuknya kitosan.References
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