Chemo-Nutritional Analysis and Organoleptic Quality Characteristics of Smoked African Catfish (Clarias gariepinus) Treated with Scent Leaf (Ocimum gratissimum) Juice

During five (5) weeks of storage at ambient temperature, the nutrient composition, biochemical, and organoleptic consistency characteristics of smoked Clarias gariepinus treated with scent leaf (Ocimum gratissimum) juice were evaluated. Table-sized catfish were given a 0.2 percent solution of O. gratissimum juice. For 5 minutes before smoking, use 0.4 percent, 0.6 percent, 0.8 percent, and 1.0 percent v/v. The treatment control was 1.0 percent v/v brine. Weeks 0 and 5 were used to determine the approximate composition of fresh and smoked fish. Weekly biochemical analysis and organoleptic quality evaluations were performed. The crude protein values obtained from the proximate composition ranged from 64.42 percent to 66.80 percent. The values of free fatty acids, peroxide content, and total volatile nitrogen increased with storage time, but stayed within limits (0.09 percent – 0.65 percent, 1.22 meq/kg – 1.77 meq/kg, and 1.495 mg/100 g – 11.750 mg/100 g, respectively). As compared to the other samples and the monitor, the sample handled with 0.2 percent juice received higher scores from the taste panel for taste (7.43), scent (7.46), texture (7.33), appearance (7.77), and general acceptability (7.57). This may be due to the influence of the fragrance leaf’s spicy properties. The organoleptic properties of the smoked fish were strongest at low concentrations. The research also discovered that Ocimum gratissimum juice can be used to enhance the biochemical and organoleptic consistency of smoked meats that have been stored for a long time. Clarias gariepinus is a species of Clarias.

Author (s) Details

Adeosun Olubunmi
Department of Fisheries Technology, Oyo State College of Agriculture and Technology, Igboora, Nigeria.

Adegbola, Sunday Abiola
Department of Fisheries Technology, Oyo State College of Agriculture and Technology, Igboora, Nigeria.

Bankole, Adebukola Folake
Department of Fisheries Technology, Oyo State College of Agriculture and Technology, Igboora, Nigeria.

Olateju, Gbolahan Basit
Department of Fisheries Technology, Oyo State College of Agriculture and Technology, Igboora, Nigeria.

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