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All Journal Journal of Marine Research Journal of the Community Development in Asia
Mohamad Mirza
Program Studi Ilmu Kelautan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro
Humanities Earth & Planetary Sciences

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Journal : Journal of Marine Research

 1 
Pengaruh Perendaman Larutan KOH dan NaOH Terhadap Kualitas Alginat Rumput Laut Sargassum polycycstum C.A. Agardh Mirza, Mohamad; Ridlo, Ali; Pramesti, Rini
977-2407769
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (164.102 KB) | DOI: 10.14710/jmr.v2i1.2053

Abstract

Sargassum polycystum seaweed is a type of brown algae that contains alginate. Alginate from S. polycystum did not optimally and alginate has an importnat role from a variety of industries. Alginate ekstraction obtained by submersion wes using NaOH and KOH solvent, then continued using Na2CO3 solvent. The purpose of this research was to determine the effect of immersion with KOH and NaOH with concentration 0,3%, 0,5% and 0,7% solution to the quality alginate from brown seaweed S. polycystum. Experimental design used was Rancangan Acak Lengkap (RAL). The results showed that aging of the KOH solution has a lower water content and higher viscosity than NaOH solution. The concentration of the solution used also affects the yield, moisture content, ash content and viscosity alginate S. polycystum. The higher concentration of the solution then the yield, moisture content and lower ash content, while viscosity alginate increased. The best results obtained in the treatment with a solution of KOH concentration of 0.7%.
Co-Authors Ali Ridlo Aswadi, Muhammad Khairul Awatif, Awatif Kee, Daisy Mui Hung Novep Indra Prasetya, Novep Indra Qistina, Farah Nur Rini Pramesti Verma, Ashutosh