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Proximate analysis of the edible part of the African walnut (Juglans spiecie)

K.Ajewole, M.A.Abibu, A.A.Taleat

The juglans spiecie of the African walnut was collected from three major towns in Osun state and a local market in Abia state. Both the raw and boiled samples were analysed, the percentage range of the results are: moisture content 4.30 -4.50, 5.00 – 5.20, ash content; 7.00 – 7.10’ 6.20 – 6.30; 6.50 -6.60; crude protein 17.73 -17.75, 25.27 – 25.30; crude fibre 6.50 – 6.60, 6.00 – 6.20; crude oil 56.55 – 56.60, 53.95- 54.00 and carboyhyrate 25.72 – 25.80, 20.77 – 20.78 while the range values of the following minerals inmg/100g are Ca 40.06 – 40.07; 41/06 – 41.00,Mg 55.50 – 56.00; 57.40 – 58.00, P 460.00 – 460.66; 470.55 – 470.95; these were the major minerals while Cu, Fe, Zn,Mn were also detected at low concentrations. The oils were also analysed and 75% of the oil was found to be unsaturated.