Formation of chitosan beads and lactic acid production by chitosan-immobilised lactobacillus sp
Chitosan is a biopolymer derived by deacetylation of chitin and has special properties such as hydrophilicity, biocompatibility, and is biodegradable. In this study, chitin was obtained from Tiger prawn waste through fermentation process. The chitin was then deacetylated to form chitosan with variou...
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| Format: | Article |
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SSM International Publication, India
2007
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| _version_ | 1796854352554491904 |
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| author | Rusmin, Ruhaida Zakaria, Zainoha |
| author_facet | Rusmin, Ruhaida Zakaria, Zainoha |
| author_sort | Rusmin, Ruhaida |
| collection | ePrints |
| description | Chitosan is a biopolymer derived by deacetylation of chitin and has special properties such as hydrophilicity, biocompatibility, and is biodegradable. In this study, chitin was obtained from Tiger prawn waste through fermentation process. The chitin was then deacetylated to form chitosan with various degrees of deacetylation. Chitosan beads were prepared by dropping chitosan solution into sodium pyrophosphate which act as gelling agent. Several parameters such as degree of deacetylation (DD), concentration of chitosan solution, pH and concentration of sodium pyrophosphate solution were studied to determine their effect towards the formation and porosity of chitosan beads. High DD, high concentration of chitosan, and high pH of sodium pyrophosphate were found important to facilitate the formation of spherical shaped chitosan beads which is also supported by SEM and IR analyses. The fermentation of glucose by chitosan-immobilised Lactobacillus sp. produced 535 x 10-3 g/L of lactic acid over a period of three days.
Upon recycling, chitosan-immobilised cells were able to maintain its shape until the third cycle. |
| first_indexed | 2024-03-05T18:12:58Z |
| format | Article |
| id | utm.eprints-8226 |
| institution | Universiti Teknologi Malaysia - ePrints |
| last_indexed | 2024-03-05T18:12:58Z |
| publishDate | 2007 |
| publisher | SSM International Publication, India |
| record_format | dspace |
| spelling | utm.eprints-82262011-01-22T08:07:57Z http://eprints.utm.my/8226/ Formation of chitosan beads and lactic acid production by chitosan-immobilised lactobacillus sp Rusmin, Ruhaida Zakaria, Zainoha QD Chemistry Chitosan is a biopolymer derived by deacetylation of chitin and has special properties such as hydrophilicity, biocompatibility, and is biodegradable. In this study, chitin was obtained from Tiger prawn waste through fermentation process. The chitin was then deacetylated to form chitosan with various degrees of deacetylation. Chitosan beads were prepared by dropping chitosan solution into sodium pyrophosphate which act as gelling agent. Several parameters such as degree of deacetylation (DD), concentration of chitosan solution, pH and concentration of sodium pyrophosphate solution were studied to determine their effect towards the formation and porosity of chitosan beads. High DD, high concentration of chitosan, and high pH of sodium pyrophosphate were found important to facilitate the formation of spherical shaped chitosan beads which is also supported by SEM and IR analyses. The fermentation of glucose by chitosan-immobilised Lactobacillus sp. produced 535 x 10-3 g/L of lactic acid over a period of three days. Upon recycling, chitosan-immobilised cells were able to maintain its shape until the third cycle. SSM International Publication, India 2007-12 Article PeerReviewed Rusmin, Ruhaida and Zakaria, Zainoha (2007) Formation of chitosan beads and lactic acid production by chitosan-immobilised lactobacillus sp. Asian Chitin Journal, 3 . pp. 23-36. ISSN 0973-3345 http://asianchitinjournal.org/main/?p=145 |
| spellingShingle | QD Chemistry Rusmin, Ruhaida Zakaria, Zainoha Formation of chitosan beads and lactic acid production by chitosan-immobilised lactobacillus sp |
| title | Formation of chitosan beads and lactic acid production by chitosan-immobilised lactobacillus sp
|
| title_full | Formation of chitosan beads and lactic acid production by chitosan-immobilised lactobacillus sp
|
| title_fullStr | Formation of chitosan beads and lactic acid production by chitosan-immobilised lactobacillus sp
|
| title_full_unstemmed | Formation of chitosan beads and lactic acid production by chitosan-immobilised lactobacillus sp
|
| title_short | Formation of chitosan beads and lactic acid production by chitosan-immobilised lactobacillus sp
|
| title_sort | formation of chitosan beads and lactic acid production by chitosan immobilised lactobacillus sp |
| topic | QD Chemistry |
| work_keys_str_mv | AT rusminruhaida formationofchitosanbeadsandlacticacidproductionbychitosanimmobilisedlactobacillussp AT zakariazainoha formationofchitosanbeadsandlacticacidproductionbychitosanimmobilisedlactobacillussp |