Production of Bakery Fat from Blends of Allanblackia floribunda (Vegetable Tallow) and Soybean (glycine max) Oil
Obiesie, Uzodinma Chidebere, Okwechime, Uzodinma Justice, Chukwu, Susan, Philibiana, Irechukwu, Frankline Ijezie
Abstract
Allanblackia floribunda and soybean oil were blended in ratio 40:60 (Allanblackia: Soybean) and used in the formulation of bakery fat. Physicochemical properties of the individual oils and as well as the formulated bakery fat were evaluated and compared with a commercial counterpart. Result revealed that moisture content, smoke point, flash point, density and melting point of A. floribunda and soybean oil were, respectively, 0.49 and 0.25% , 194.0 and 189.0?, 266.5 and 249.0?, 0.888 and 0.915 g/cm3, 36.5 and -20.50?. Similarly, oil colour, viscosity and refractive index were, 20.2Y, 3.2R and 20.0Y, 4.2R, 35.0 and 25.0 Cst, 1.46 and 1.47°C. Solid fat content ranged from 0.00 to 84.5(40 - 10?) in soybean and A. floribunda, respectively. Formulated bakery fat had melting point of 37.9?, free fatty acid content (0.08%), water content (16.35%), salt (1.45%) and fat content (82.04%) while the control sample had melting point of 41.0?, free fatty acid content (0.21%), water content (18.30%), salt (1.50%) and fat content (80.20%). Formulated bakery fat compared favorably with the commercial equivalent in terms of physicochemical properties; Allanblackia fat provided a solid fat base with sharp melting point crucial for creating bakery fat that maintain their shape and structure during baking while soybean oil rich in polyunsaturated fatty acids contributes to the nutritional profile of the bakery fat. Allanblackia and soybean oil in bakery fat is recommended to encourage utilization and value addition to indigenous crops.
Keywords
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