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  • 标题:Swelling Degree of Carrageenan-Corncob Bead Gel in Various Media
  • 本地全文:下载
  • 作者:Sperisa Distantina ; Saktika Rofi’ah Haryani ; Rif’ah Ulfatun Hasanah
  • 期刊名称:CHEMICA: Jurnal Teknik Kimia
  • 印刷版ISSN:2355-8776
  • 出版年度:2021
  • 卷号:8
  • 期号:1
  • 页码:32-38
  • DOI:10.26555/chemica.v8i1.20133
  • 语种:English
  • 出版社:Universitas Ahmad Dahlan
  • 摘要:Bead hydrogels were prepared from carrageenan-corncob mixture by physically and chemically crosslinking. The aims are to investigate the effect of carrageenan-corncob weight ratio and glutaraldehyde crosslinking on the swelling degree properties. The mixture of various carrageenan-corncob weight ratio (1:2, 1:1, 2:1, and 1:0) was dropped into KCl and CaCl2 solution and then the obtained bead gels was dried. The dried bead gel was crosslinked using glutaraldehyde 4%. The swelling degree behavior of the bead gels were tested in distilled water, 0.1M NaCl, and synthetic urine. The bead gels based on the mixture of carrageenan-corncob exhibited the hydrogel property. The highest swelling degree is carrageenan-corncob bead gels in the ratio of 1:0. The highest swelling degree is found in the distilled water and the lowest is in the synthetic urine. The 4% glutaraldehyde crosslinking does not show specific different results for carrageenan-corncob bead gels.
  • 关键词:corncob;carrageenan;glutaraldehyde;bead gel;swelling
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