Effects of NIOMR smoking kiln and oven on the crude protein, minerals and vitamins of catfish Clarias gariepinus
2012
Okereke, A.N. | Okpara, J.Y. | Cliffe, P.C. | Okpara, C.
The effects of two different preservative methods, NIOMR Smoking Kiln and Oven drying on Crude Protein minerals and Vitamin of clarias gariepinus were studied. Clarias gariepinus were obtained from the fish farm of African Regional Aquaculture Centre, Aluu, Port Harcourt. The crude protein, minerals and vitamins of the fresh fish were determined immediately while two other batches were separately dried using oven at 50~'C for 30minutes and NIOMR Smoking Kiln at 70~'C for 3 hours. Result of the crude protien of fresh fish was 21.84 ~c 1.10 which increased to 59.53 ~c 1.88 and 35.41 ~c 1.00 in both NIOMR smoking and oven, respectively. This means that, there was a significant different in both dryers on the crude protein. This will improve the knowledge and capacity of rural women and agricultural communities on the appropriate processing method for fish. The mineral and vitamins of oven dried and NIOMR Smoking kiln were analyzed. The vitamin content of both the fish, dried and smoking kiln shows no significant different except in vitamin A which was significant (p<0.05).There was significant different (p<0.05) in the mineral content of the two different drying method except in sodium, Potassium and Phosphorus of the drying method. This result indicates that the two drying methods have effects on the nutritional quality of catfish.
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