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All Journal Jurnal Ilmiah Berkala: Sains dan Terapan Kimia
Dewi Andriani
Kimia, FMIPA, Universitas Nusa Bangsa
Chemical Engineering, Chemistry & Bioengineering Chemistry

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EKSTRAKSI GLUKOMANAN DARI TEPUNG PORANG (Amorphophallus muelleri Blume) DENGAN ETANOL Nurlela Nurlela; Dewi Andriani; Ridha Arizal
Jurnal Sains dan Terapan Kimia Vol 14, No 2 (2020)
Publisher : Program Studi Kimia, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (459.668 KB) | DOI: 10.20527/jstk.v14i2.8330

Abstract

Iles-Iles kuning (Amorphophallus muelleri Blume) is a potential source of glucomannan, a polysaccharide compound that has several special properties which often used in various fields of industry, pharmacy, and food. The quality of glucomannan produced domestically still cannot match the quality of imported glucomannan. This study aims to know the effect of difference extraction methods of glucomannan from iles-iles kuning flour using ethanol to obtain high contain of glucomannan with better quality. Good quality of glucomannan has high viscosity and contains small amount of water, ash, protein, fat, and starch. Extraction of iles-iles kuning flour using multilevel concentration of ethanol (40, 60, and 80%) was able to produce higher glucomannan and better quality than ethanol 60% with three times of extraction. Extraction using multilevel ethanol was able to improve glucomannan content from 16,43% to 62,2%. Fourier Transform Infra Red (FTIR) spectra of extracted glucomannan showed the functional groups composing the glucomannan compound (O-H, C=O, C-O, C-H) similar to the spectra of commercial glucomannan.
Co-Authors Nurlela, Nurlela Ridha Arizal