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Method for processing tomato-dice canned products

A processing method and technology for diced tomato, applied in the field of canned diced tomato processing, can solve the problems of reduced forming stability of diced tomato, influence on the value of canned goods, loss of nutrient components, etc., and achieve the effects of reducing nutrient loss, facilitating processing and prolonging shelf life

Inactive Publication Date: 2017-05-31
SHAANXI QIYUAN TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the processing of diced tomatoes, due to blanching, sterilization and other factors, some unstable nutrients in tomatoes are lost to varying degrees, and the forming stability of diced tomatoes is also reduced, which seriously affects the commodity value of canned food.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The processing method for canned tomato dices of the present invention comprises the following steps:

[0018] The first step is to select fresh processed tomatoes with no mechanical damage, fully mature, good hardness and uniform size, and wash the impurities on the tomato skin with running water without damaging the tomato skin;

[0019] The second step is blanching and peeling, immersing the cleaned tomatoes in hot water for blanching, then taking them out and placing them in cold water, and peeling them by hand;

[0020] The third step is to cut into cubes and shake the sieve. Use a knife to cut off the inedible part of the tail of the peeled tomato, and then use a knife to cut into 1.5cm×1.5cm×1.5cm blocks, then use a vibrating sieve to vibrate and drain. Tomato juice and deseeding;

[0021] The fourth step is to use calcium chloride and pectin esterase compound solidification solution, first prepare 5g / kg calcium chloride aqueous solution, then dilute pectin este...

Embodiment 2

[0026] The processing method for canned tomato dices of the present invention comprises the following steps:

[0027] The first step is to select fresh processed tomatoes with no mechanical damage, fully mature, good hardness and uniform size, and wash the impurities on the tomato skin with running water without damaging the tomato skin;

[0028] The second step is blanching and peeling, immersing the cleaned tomatoes in hot water for blanching, then taking them out and placing them in cold water, and peeling them by hand;

[0029] The third step is to cut into cubes and shake the sieve. Use a knife to cut off the inedible part of the tail of the peeled tomato, and then use a knife to cut into 1.5cm×1.5cm×1.5cm blocks, then use a vibrating sieve to vibrate and drain. Tomato juice and deseeding;

[0030] The fourth step is to use calcium chloride and pectin esterase compound solidification solution, first prepare 5g / kg calcium chloride aqueous solution, then dilute pectin este...

Embodiment 3

[0036] The processing method for canned tomato dices of the present invention comprises the following steps:

[0037] The first step is to select fresh processed tomatoes with no mechanical damage, fully mature, good hardness and uniform size, and wash the impurities on the tomato skin with running water without damaging the tomato skin;

[0038] The second step is blanching and peeling, immersing the cleaned tomatoes in hot water for blanching, then taking them out and placing them in cold water, and peeling them by hand;

[0039] The third step is to cut into cubes and shake the sieve. Use a knife to cut off the inedible part of the tail of the peeled tomato, and then use a knife to cut into 1.5cm×1.5cm×1.5cm blocks, then use a vibrating sieve to vibrate and drain. Tomato juice and deseeding;

[0040] The fourth step is to use calcium chloride and pectin esterase compound solidification solution, first prepare 5g / kg calcium chloride aqueous solution, then dilute pectin este...

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PUM

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Abstract

The invention relates to the field of food processing and particularly relates to a method for processing tomato-dice canned products. The method comprises the following steps: picking fresh processing tomatoes, which are free of mechanical damage, are fully ripened and are good in hardness and uniform in size, washing impurities on peels of the tomatoes with running water, and not damaging the peels of the tomatoes during washing; carrying out blanching peeling: submerging the washed tomatoes into hot water for blanching, then, fishing out the tomatoes, putting the tomatoes into cold water, and carrying out peeling manually; carrying out dicing and vibrating screening: cutting off inedible parts from tails of the peeled tomatoes with a knife, then, chopping the tomatoes into dices with 1.5cm*1.5cm*1.5cm sizes, carrying out vibrating with a vibrating screen, draining tomato juice and removing seeds; preparing a curing solution from calcium chloride and pectinesterase: firstly, preparing a 5g / kg calcium chloride aqueous solution, and then, diluting the pectinesterase by 15 times. According to the method, the operation is simple, the processing is convenient, the product quality can be guaranteed, nutrient loss caused during processing is reduced, the product quality is improved, and the shelf lives of the products are prolonged.

Description

technical field [0001] The invention relates to the field of food processing, in particular to a processing method for canned diced tomatoes. Background technique [0002] Tomatoes, also known as foreign persimmons and tomatoes, belong to the Solanaceae tomato family. They have dual identities as fruits and vegetables and are rich in nutrients, including vitamins, proteins, organic acids, sugars, etc., as well as Ca, Fe, Na, P, K, etc. The minerals needed by the human body, its rich lycopene has strong anti-oxidation, which is 100 times that of VE. Tomatoes not only provide people with various required nutrients, but also have a variety of physiological functions. According to reports, eating a lot of tomatoes and tomato products can reduce the risk of prostate cancer, breast cancer, gastric cancer and cardiovascular diseases, and can also improve immunity. Canned fruits and vegetables have a long storage time, are convenient to carry and eat, and can well adjust the peak ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L19/00A23L29/00
CPCA23V2002/00
Inventor 张淑芬
Owner SHAANXI QIYUAN TECH DEV
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