Extraction of acid-solubilised collagen from the skin of threadfin bream (Nemipterus japonicus) and determination of its characteristics / Nur Asilah Mohtar

Fish skin is a major by-product of the fish processing industry, causing wastage and pollution, thus utilizing the skin of threadfin bream which mainly used in the fish processing industry could provide a valuable source of collagen especially in Malaysia. The primary objective of this study is to d...

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Main Author:	Mohtar, Nur Asilah
Format:	Thesis
Language:	English
Published:	2013
Subjects:	Physical and theoretical chemistry Extraction (Chemistry)
Online Access:	https://ir.uitm.edu.my/id/eprint/52985/1/52985.pdf
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id	my-uitm-ir.52985
record_format	uketd_dc
spelling	my-uitm-ir.529852021-12-22T04:47:34Z Extraction of acid-solubilised collagen from the skin of threadfin bream (Nemipterus japonicus) and determination of its characteristics / Nur Asilah Mohtar 2013 Mohtar, Nur Asilah Physical and theoretical chemistry Extraction (Chemistry) Fish skin is a major by-product of the fish processing industry, causing wastage and pollution, thus utilizing the skin of threadfin bream which mainly used in the fish processing industry could provide a valuable source of collagen especially in Malaysia. The primary objective of this study is to determine whether collagen can be extracted from the skin of threadfin bream. Collagen was extracted from the skin of threadfin bream using acid solubilisation method and the yield was 12.39%. Its characteristics (moisture, fat, ash, solubility in different pH and different NaCl concentration and viscosity) were determined. Amino acids composition of the collagen extracted was also determined. The results for moisture, fat and ash content were 0.21%, 3.41%, 7.97% respectively. The collagen was most soluble in low pH and low salt concentration. The viscosity decreased when temperature was increased. The highest amino acid contained in the collagen extracted was histidine. 2013 Thesis https://ir.uitm.edu.my/id/eprint/52985/ https://ir.uitm.edu.my/id/eprint/52985/1/52985.pdf text en public degree Universiti Teknologi MARA Faculty of Applied Sciences
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
topic	Physical and theoretical chemistry Extraction (Chemistry)
spellingShingle	Physical and theoretical chemistry Extraction (Chemistry) Mohtar, Nur Asilah Extraction of acid-solubilised collagen from the skin of threadfin bream (Nemipterus japonicus) and determination of its characteristics / Nur Asilah Mohtar
description	Fish skin is a major by-product of the fish processing industry, causing wastage and pollution, thus utilizing the skin of threadfin bream which mainly used in the fish processing industry could provide a valuable source of collagen especially in Malaysia. The primary objective of this study is to determine whether collagen can be extracted from the skin of threadfin bream. Collagen was extracted from the skin of threadfin bream using acid solubilisation method and the yield was 12.39%. Its characteristics (moisture, fat, ash, solubility in different pH and different NaCl concentration and viscosity) were determined. Amino acids composition of the collagen extracted was also determined. The results for moisture, fat and ash content were 0.21%, 3.41%, 7.97% respectively. The collagen was most soluble in low pH and low salt concentration. The viscosity decreased when temperature was increased. The highest amino acid contained in the collagen extracted was histidine.
format	Thesis
qualification_level	Bachelor degree
author	Mohtar, Nur Asilah
author_facet	Mohtar, Nur Asilah
author_sort	Mohtar, Nur Asilah
title	Extraction of acid-solubilised collagen from the skin of threadfin bream (Nemipterus japonicus) and determination of its characteristics / Nur Asilah Mohtar
title_short	Extraction of acid-solubilised collagen from the skin of threadfin bream (Nemipterus japonicus) and determination of its characteristics / Nur Asilah Mohtar
title_full	Extraction of acid-solubilised collagen from the skin of threadfin bream (Nemipterus japonicus) and determination of its characteristics / Nur Asilah Mohtar
title_fullStr	Extraction of acid-solubilised collagen from the skin of threadfin bream (Nemipterus japonicus) and determination of its characteristics / Nur Asilah Mohtar
title_full_unstemmed	Extraction of acid-solubilised collagen from the skin of threadfin bream (Nemipterus japonicus) and determination of its characteristics / Nur Asilah Mohtar
title_sort	extraction of acid-solubilised collagen from the skin of threadfin bream (nemipterus japonicus) and determination of its characteristics / nur asilah mohtar
granting_institution	Universiti Teknologi MARA
granting_department	Faculty of Applied Sciences
publishDate	2013
url	https://ir.uitm.edu.my/id/eprint/52985/1/52985.pdf
_version_	1783734854127452160

Extraction of acid-solubilised collagen from the skin of threadfin bream (Nemipterus japonicus) and determination of its characteristics / Nur Asilah Mohtar

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