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Protomorphic Chinese walnut kernel processing method

A processing method and technology of walnut kernels, applied in the fields of application, food preparation, food science, etc., can solve the problem of improving the integrity rate of the product and protecting the color of the final product, which is not conducive to the maintenance of the integrity rate of hickory nuts, and unfavorable scale. Large-scale production and other problems can be avoided to avoid the phenomenon of broken kernels, protect the color and reduce the cost of personnel

Active Publication Date: 2013-04-24
杭州姚生记食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the production method of hickory nut reunion nuts, soak in boiling water at 95-100°C for 8-12 minutes. Only soaking is used, and the time is too short, which is not conducive to maintaining the integrity rate of hickory nuts; Low labor cost and high personnel cost are not conducive to large-scale production; the process of making hickory reunion nuts rarely reflects the improvement of product integrity and the protection of the color of the final product

Method used

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Examples

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Effect test

specific Embodiment 1

[0022] In order to obtain the original form of hickory kernel "Dragon Ball", its production method is as follows:

[0023] (1) Pre-treatment of crushed shells, the picked hickory nuts are removed and dried in the sun, and then refrigerated and kept in a cold storage at 0-4°C to ensure their freshness; before taking the kernels, pour them into cold water for bleaching, and remove empty seeds, black spot seeds, etc. For bad seeds, take them out and soak them in ice-water mixture at 0°C for 10-13 hours to improve the integrity rate of the kernels and protect the color of the final product; put the soaked pecans in 1-2Mpa steam for pre-treatment. Steam for 20 to 30 minutes, remove and drain for 1 to 2 days to strengthen the hickory kernels and improve the integrity of the kernels.

[0024] (2) Automatic broken shells, get kernels, carry out high-efficiency broken shells with the hickory automatic shell breaker, this hickory automatic shell breaker can adopt the hickory automatic s...

specific Embodiment 2

[0028] In order to obtain the original form pecan kernel "Dragon Ball" as shown in Figure 1, its manufacturing method is:

[0029] (1) Pre-treatment of crushed shells, the picked hickory nuts are removed and dried in the sun, and then refrigerated and kept in a cold storage at 0-4°C to ensure their freshness; before taking the kernels, pour them into cold water for bleaching, and remove empty seeds, black spot seeds, etc. For bad seeds, take them out and put them in the ice-water mixture at 0°C for 13-16 hours to improve the integrity rate of the kernels and protect the color of the final product; put the soaked pecans in steam of 1-2Mpa for pre-treatment. Steam for 15 to 20 minutes, remove and drain for 1 to 2 days to strengthen the hickory kernels and improve the integrity of the kernels.

[0030] (2) Automatic broken shells, get kernels, carry out high-efficiency broken shells with the hickory automatic shell breaker, this hickory automatic shell breaker can adopt the hicko...

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Abstract

The invention discloses a protomorphic Chinese walnut kernel processing method, which comprises the following steps that: (1) a processing step before breaking walnut shells: selected Chinese walnuts are placed into an ice-water mixture of 0 DEG C to be soaked for 10 to 16 hours; the Chinese walnuts after being soaked are placed into steam of 1 to 2 MPa to be pre-steamed for 15 to 30 minutes; and finally the Chinese walnuts are taken out to dry; (2) a shell breaking and kernel acquiring step: the Chinese walnut shell is broken, and a hard shell of the Chinese walnut is removed to obtain a Chinese walnut kernel semi-finished product with four complete valves of meat; and (3) a frying step. The Chinese walnuts are soaked in the ice-water mixture of 0 DEG C for 10 to 16 hours rather than being soaked in ordinary cold water, so the freshness of the Chinese walnut can be improved, the original flavor and the original taste of the product can be maintained, and the original color of the Chinese walnut also can be protected. The Chinese walnut after being soaked is placed into the steam of 1.6MPa to be pre-steamed for 20 minutes rather than being soaked at high temperature of a traditional way, so the pre-steaming can facilitate the completeness of the Chinese walnut kernel when the walnut shell is broken at the subsequent step.

Description

technical field [0001] The invention relates to a pecan processing technology. Background technique [0002] There are many hickory processing enterprises in Zhejiang Province. There are more than 1,200 hickory processing enterprises in Hangzhou alone. The small scale of processing enterprises, single product form, and low processing technology content are the current bottlenecks for the further improvement of the pecan industry. [0003] Chinese invention patent: method for making reunion nuts of hickory nuts (publication number: CN101530222, date of publication on September 16, 2009) discloses the following steps: A prepares reunion nuts of hickory nuts. 1) Soaking: Soak the screened pecans in water for 8-10 hours at a temperature of 15-30°C; then put them in boiling water at 95-100°C for 8-12 minutes, then drain for 1-2 days; 2) Hand-knocking: Hand-knocking makes the hickory nuts become semi-finished products with a little shell; 3) Shelling and selection: manual select...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L1/36A23L25/00
Inventor 来明乔项方献吴国卿陈岳祥
Owner 杭州姚生记食品有限公司