Development and Performance Evaluation of Tomato Dehydrating Machine

Development and Performance Evaluation of Tomato Dehydrating Machine

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Tomato (Solanum lycopersicum) is a very important staple food worldwide with about 7,500 varieties consumed in diverse ways including: raw in salads, as an ingredient in many dishes, sauces, ketchup and drinks.Tomatoes deteriorate (rotten) easily due to their high moisture content.A tomato dehydrating machine comprising of a spray gun, cam shaft, delivery pipe, three air blowers, drying merlin wizard costume trough, base and a speed reduction gear box was designed, fabricated and evaluated.The machine is powered by a 1.5hp electric motor.

The developed machine has a dehydration efficiency of 81.45%, throughput of 3.7212kg/hr.The dehydrated tomato produced from the machine has ascorbic acid content, lycopene content, calcium content, potassium content and sugar reduction content of 10.6 mg/100g, 78.

24 mg/100g, 10.6 mg/100g, 169.0 mg/100g and 2.9 mg/100g respectively which fell between acceptable ranges merlot redbud tree for sale for the nutritional content of tomato.