Preparation method of ceramic powder for food preservation

A technology for food preservation and powder, which is applied in the fields of food preservation, preservation of food ingredients as anti-microbials, food ingredients, etc., can solve the problems of difficulty in solving the problems of freshness, simultaneous preservation of vegetables and fruits, etc., and achieves the effect of strong physical adsorption.

Inactive Publication Date: 2016-11-16
HIDETAKA NANO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the deficiencies of the prior art, the present invention provides a preparation method of ceramic powder for food preservation

Method used

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Examples

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Effect test

Embodiment 1

[0021] Preferred Embodiment 1 of the present invention provides a method for preparing ceramic powder for food preservation, comprising the following steps:

[0022] Step [1] After crushing the natural zeolite to a particle size of 50 microns, heat treatment at a temperature of 360° C. for 6 hours, and then adding the treated powder into the aqueous solution to make an aqueous zeolite solution;

[0023] Step [2] Put oyster shells or other shellfish into an electric furnace and calcinate at 350°C for 3 hours, then raise the temperature to 750°C for another 2 hours, then raise the temperature to 840°C for 8 hours, and finally burn it into Shellfish powder with a size of 50 microns;

[0024] Step [3] adding calcined shellfish powder to the zeolite aqueous solution at a weight ratio of 7:3 and mixing, then heating while adding water at 90-100°C for 48 hours, It is then maintained at a temperature of 80-90° C. until the moisture content of the powder is 5%, and finally crushed int...

Embodiment 2

[0028] Preferred embodiment 2 of the present invention provides a preparation method of ceramic powder for food preservation, comprising the following steps:

[0029] Step [1] After crushing the natural zeolite to a particle size of 50 microns, heat treatment at a temperature of 360° C. for 6 hours, and then adding the treated powder into the aqueous solution to make an aqueous zeolite solution;

[0030] Step [2] Put oyster shells or other shellfish into an electric furnace and calcinate at 350°C for 3 hours, then raise the temperature to 750°C for another 2 hours, then raise the temperature to 840°C for 8 hours, and finally burn it into Shellfish powder with a size of 50 microns;

[0031] Step [3] adding calcined shellfish powder to the zeolite aqueous solution at a weight ratio of 7:3 and mixing, then heating while adding water at 90-100°C for 48 hours, It is then maintained at a temperature of 80-90° C. until the moisture content of the powder is 5%, and finally crushed in...

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Abstract

The invention provides a preparation method of ceramic powder for food preservation. The preparation method includes the steps that [1] natural zeolite is crushed, the crushed natural zeolite is subjected to heat treatment at a certain temperature for 6 hours, and then, the heat-treated natural zeolite is added into an aqueous solution to prepare a zeolite aqueous solution; [2] shellfishes are calcined at 350 DEG C, 750 DEG C and 840 DEG C, respectively, so as to obtain shellfish powder; and [3] the calcined shellfish powder is added into the zeolite aqueous solution, mixing is performed, heating is performed while the water is heated at the temperature of 90-100 DEG C, finally, a certain temperature is maintained until the water content of the powder is 5%, and finally the ceramic powder is obtained. The fresh-keeping effect on fresh and vegetables and fruits can be achieved, and the product prepared by the method can adsorb and remove heavy metals and organic matters; meanwhile, mineral components which are useful for the human body are dissolved in water to obtain positive ions through decomposing, safe and cost-effective fresh-keeping and antibacterial effects can be achieved, and the effective fresh-keeping effect lasts for a long time.

Description

technical field [0001] The invention relates to the technical field of food preservation, in particular to a method for preparing ceramic powder for food preservation such as fresh vegetables and fruits. Background technique [0002] In the past, fresh food pursued freshness and safety. In order to keep fresh food fresh, in addition to removing the bacteria attached to the surface of the food, it is also necessary to inhibit the decomposition and deterioration of the internal components of the food. Regarding the preservation of aquatic products, although the refrigeration technology in the transportation process is developed, after the freshness is caught, whether it is processed individually or collectively for preservation, the food spoilage speed is very different. Its cost is inversely proportional to its freshness. [0003] With the development of science and technology and the gradual improvement of people's living standards, people's demand for fruits produced in d...

Claims

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Application Information

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IPC IPC(8): A23L3/358A23L3/3454A23L5/20
CPCA23L3/358A23L3/3454A23V2002/00A23V2200/02A23V2200/10A23V2250/1628
Inventor 崔建中
Owner HIDETAKA NANO TECH CO LTD
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