Protein and albumin contents in several freshwater fish species of Makassar South Sulawesi Indonesia

Nurfaidah, . and Metusalach, . and Sukarno, . and Mahendradatta M., . Protein and albumin contents in several freshwater fish species of Makassar South Sulawesi Indonesia. pp. 745-751. ISSN 22317546

Albumin of snakehead fish has been widely used in the health and nutritional applications for the past 10 - 15 years. An intensive exploitation to produce fish albumin has placed the natural stock of snakehead fish under a great pressure. Furthermore its aquaculture production has not been significantly developed to balance the industrial demands. Therefore the present work aimed to look for the potential sources of fish albumin of freshwater origin as an alternative to that of snakehead fish. The present work analysed seven freshwater fish species namely catfish (Clarias gariepinus) common carp (Cyprinus carpio) eel (Monopterus albus) Nile tilapia (Oreochromis niloticus) pangas catfish (Pangasius pangasius) snakehead fish (Channa striata) and three-spotted gourami (Trichogaster trichopterus). Albumin extraction was done by mixing 50 g of pre-homogenised fish meat with 200 mL of distilled water homogenised in a laboratory homogeniser for 1 min and heated in a water bath at 50C for 60 min. The mixture was filtered using a Whatman No. 40 filter paper under reduced pressure. The filtrate volume was recorded and stored at -20C until further analysis. The parameters analysed were total protein total soluble protein and albumin level. Results indicated that the total protein content of meat was 17.93 - 21.87 (w/w) the lowest being in catfish and the highest in snakehead fish; total soluble protein was 2.43 - 5.43 g/100 g (w/w) the lowest being in eel and the highest in snakehead fish; and albumin content was 0.83 - 3.35 g/100 g (w/w) the lowest being in Nile tilapia and the highest in common carp. The higher albumin content in the common carp (3.35 g/100 g) and pangas catfish (3.22 g/100 g) as compared to that of snakehead fish (2.97 g/100 g) indicated that common carp and pangas catfish are highly potential to be used as alternative fish albumin source.

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Abstract

Albumin of snakehead fish has been widely used in the health and nutritional applications for the past 10 - 15 years. An intensive exploitation to produce fish albumin has placed the natural stock of snakehead fish under a great pressure. Furthermore its aquaculture production has not been significantly developed to balance the industrial demands. Therefore the present work aimed to look for the potential sources of fish albumin of freshwater origin as an alternative to that of snakehead fish. The present work analysed seven freshwater fish species namely catfish (Clarias gariepinus) common carp (Cyprinus carpio) eel (Monopterus albus) Nile tilapia (Oreochromis niloticus) pangas catfish (Pangasius pangasius) snakehead fish (Channa striata) and three-spotted gourami (Trichogaster trichopterus). Albumin extraction was done by mixing 50 g of pre-homogenised fish meat with 200 mL of distilled water homogenised in a laboratory homogeniser for 1 min and heated in a water bath at 50C for 60 min. The mixture was filtered using a Whatman No. 40 filter paper under reduced pressure. The filtrate volume was recorded and stored at -20C until further analysis. The parameters analysed were total protein total soluble protein and albumin level. Results indicated that the total protein content of meat was 17.93 - 21.87 (w/w) the lowest being in catfish and the highest in snakehead fish; total soluble protein was 2.43 - 5.43 g/100 g (w/w) the lowest being in eel and the highest in snakehead fish; and albumin content was 0.83 - 3.35 g/100 g (w/w) the lowest being in Nile tilapia and the highest in common carp. The higher albumin content in the common carp (3.35 g/100 g) and pangas catfish (3.22 g/100 g) as compared to that of snakehead fish (2.97 g/100 g) indicated that common carp and pangas catfish are highly potential to be used as alternative fish albumin source.

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Item Type:	Article
AGROVOC Term:	Protein content
AGROVOC Term:	Albumins
AGROVOC Term:	Freshwater fishes
AGROVOC Term:	Channa striata
AGROVOC Term:	Cyprinus carpio
AGROVOC Term:	Analysis of variance
AGROVOC Term:	Sampling
AGROVOC Term:	Nutrition
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/9498

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