Method for treating tomato utilizing high pressure alternation electric field
A high-voltage alternating electric field, tomato technology, applied in the direction of preservation of fruits/vegetables through radiation/electrical treatment, etc., can solve the problems of large leakage current, complicated operation, long tomato time, etc.
Inactive Publication Date: 2008-07-23
SHANXI AGRI UNIV
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[0009] The present invention provides a method for treating tomatoes with a high-voltage alternating electric field in order to solve the problems in the prior art that it takes
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Embodiment 1
[0092]Example 1: A method for treating tomatoes with a high-voltage alternating electric field. The tomatoes are placed in a high-voltage alternating electric field environment with a frequency of 40 kHz and a field strength of 200 kv / m, and are treated for 2 hours at a time before storage.
[0093] The device used in the present invention comprises a frame made of tempered glass, on which several parallel metal plates are arranged in parallel, and the metal plates are connected with the high-voltage generator.
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The invention relates to an application of high voltage electric filed in fruitage, in particular to a method for treating tomato with an alternative electric field. The method of the invention solves such critical problems of the prior art as long time for treating tomato under a constant high voltage electrostatic field , complicated operation and big electricity leakage while a high voltage is loaded. The tomatoes are placed in a high voltage alternative electric field environment at a frequency of 40kHz, an electric field intensity of 200kV/m and treated for 2 hours at a time, which can delay the ripening process of fruitage such as reddening and softening. The invention has the effects of deferring the hardness of fruitage, the decrease of soluble sugar content in the fruitage and chlorophyll content in fruit peel, the rising of titratable acid and lycopene content, etc.
Description
technical field [0001] The invention relates to the application of a high-voltage electric field on fruits, in particular to a method for treating tomatoes with a high-voltage alternating electric field. Background technique [0002] There are many domestic researches on the preservation of fruits and vegetables by electric field treatment. However, most of them are carried out in the form of an electric field called a high-voltage electrostatic field, and test reports have shown the potential of this storage method. Experiments have found that electrostatic field fresh-keeping storage is a better storage method for some difficult-to-storage fruits and vegetables with high water content. According to a large number of experimental results, the high-voltage electrostatic field is beneficial to the growth of plants and the inhibition of microorganisms, the processing of agricultural products, especially the preservation and storage of fruits and vegetables. [0003] So far, ...
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Inventor 王愈李里特冯磊
Owner SHANXI AGRI UNIV
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