(2 Points) 1000 kg of soybeans, of composition 18% oil, 35% protein, 27.1% carbo

Question

(2 Points) 1000 kg of soybeans, of composition 18% oil, 35% protein, 27.1% carbohydrate. 9.4%, fiber/ash, 10.5% moisture, are: (a) crushed and pressed, which reduces oil content in beans to 6%; (b) then the pressed soy is extracted with hexane to produce a meal containing 0.5% oil; (c) finally the meal is dried to 8% moisture. Assuming that there is no loss of water with the oil, or loss of protein, carbohydrate and fiber/ash in any step of the process, what is the composition of the final dried meal?

Explanation / Answer

Initially, Given Data:

After Crushing and Pressing the Beans to reduce the oil content to 6% composition becomes :

After pressing soya to extract a meal with 0.5% oil, composition becomes:

Finally drying the mositure to 8% leaves the composition to :

Oil - 18% Protein - 35% Carbohydrate - 27.2% Fibre/Ash - 9.4% Moisture - 10.5%

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