Investigation and Control of Tomato Production Plant
Open Access
- 1 January 2020
- journal article
- research article
- Published by Scientific Research Publishing, Inc. in Food and Nutrition Sciences
- Vol. 11 (01), 1-7
- https://doi.org/10.4236/fns.2020.111001
Abstract
The demand for tomato paste is daily used over the year with the fact that it is abundant in certain seasons and scarce during other season. Many methods are used to preserve the juice or the paste through drying and with addition of preservative. Tomato grows under ambient conditions or in green houses at a temperature of 20°C - 27°C with high contents of vitamins A and B, potassium, iron, and phosphors. Tomato is a source of fiber; it doesn’t contain sodium salt, fats, or cholesterol; in fact it is the cheapest food of the poor common people. Tomato while waiting for processing to paste deteriorates rather quickly, and shall be thoroughly rinsed with sterilized clean water using rotary washers. The washed tomato is inspected, sorted, and chopped. The tomato liquor is processed through an extraction unit where the juice is separated away from outer skin, seeds and fibers. To avoid oxidation and foaming the tomato liquor is deaerated; the juice is deaerated by taking the vacuum as soon as it is formed. A double-effect evaporator is used to concentrate the tomato liquor under partial vacuum of 0.5 atmospheres; this is important to minimize heat damage, oxidation and dark color. The tomato paste is then sterilized with small amount of non-harmful preservatives and then canned, labeled and sent to store. To achieve the international standard specifications and metrology organization a control system is developed, tuned and analyzed for stability conditions. It is recommended that a tomato production plant has to be constructed in countries like Sudan and other countries with similar weather conditions.Keywords
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