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Multi-functional fruit and vegetable preservative processing technology
With the continuous increase in the output and variety of fruits and vegetables, people's living standards have been increasing, and higher requirements have been put forward for the preservation of fruits and vegetables. In the past, the commonly used cryogenic refrigeration or simple chemical antiseptic treatment could not meet the requirements of the current market. There is an urgent need for a fruit and vegetable preservation technology that is simple, non-toxic, safe, low-cost, and fully functional. This article introduces a kind of fresh-keeping agent for fruits and vegetables. The popularization and application of the agent will provide an effective way to increase the preservation level of fruits and vegetables and increase the value of fruits and vegetables. First, the formula carboxymethyl cellulose 0.2kg, lecithin 0.1kg, polyoxyethylene sorbitol monooleate (Tween 80) 0.2kg, sodium benzoate 0.015kg, citric acid 0.01kg, phytic acid 0.01kg, go Ionic water 9.46L. Second, the preparation and use of the method According to the amount of formula carboxymethyl cellulose dissolved in some hot water, the temperature should not be too high, slightly warming and stirring to dissolve carboxymethyl cellulose. The remaining material is dissolved in the remaining water and stirred to dissolve. Then the two solutions can be mixed and homogenized. When used, the fruits and vegetables to be preserved are immersed in the preservative and then taken out. At this time, a protective film is formed on the surface of the fruits and vegetables, and the film is edible. You can also use a brush or sponge to dip this agent over the surface of fruits and vegetables. Third, function and characteristic 1. This method of preservation can form a layer of transparent edible film on the surface of fruits and vegetables. It has many functions, such as inhibition of bacterial growth, anti-oxidation, water retention, and color protection. 2. The application of the agent on the preservation of fruits and vegetables, fruit and vegetable shelf life at room temperature can be extended more than 6 times, and the formation of a layer of bright coating on the surface of fruits and vegetables, improve the appearance of fruits and vegetables, improve the grade of fruits and vegetables has a high commercial value. 3. The agent is easy to operate, and the cost is low. The cost per kilogram of fresh fruits and vegetables is only 3 cents.
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