Gradient wheat wetting process

A technology of secondary tempering and tempering, which is applied in application, grain processing, grain milling, etc., to achieve the effects of less bran stars, improved flour extraction rate, and high gluten content

Active Publication Date: 2017-02-22
宁夏鑫德粮油工贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem solved by the present invention is to overcome the defects of the existing conditioning and tempering process, and provide a food that has no seed respiration consumption, is not easy to infect miscellaneous bacteria, has low bran breakage rate, high flour extraction rate, short tempering time, and Stepwise tempering process with strong safety

Method used

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  • Gradient wheat wetting process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A stepwise moistening process, comprising the steps of:

[0043] 1) cleaning the wheat grains to remove impurities in the wheat grains;

[0044]2) soaking, cleaning, rinsing, draining in the ultrasonic cleaning machine that the impurity-removed wheat grains are equipped with 0.3% sodium bicarbonate solution, and performing a moistening for 4 minutes, so that the moisture content of the wheat grains is increased by 0.6%;

[0045] 3) The wheat grains after the first tempering were first frozen at -15°C for 30 minutes, the thickness of the material layer was controlled to 4 cm, and then immediately microwaved at 90°C for 4 minutes;

[0046] 4) Adding an aqueous solution containing 0.3% antioxidant and 0.2% wheat freeze-dried powder to the wheat grains treated with microwave in step 3) for tempering, watering, and second moistening for 5 hours; Continue to increase by 1.1%;

[0047] 5) The wheat grains after the second tempering were first frozen at -15°C for 75 minutes, ...

Embodiment 2

[0057] A stepwise moistening process, comprising the steps of:

[0058] 1) cleaning the wheat grains to remove impurities in the wheat grains;

[0059] 2) soaking, cleaning, rinsing, draining in the ultrasonic cleaning machine that the impurity-removed wheat grains are equipped with 0.2% sodium bicarbonate solution, and performing a moistening for 2 minutes, so that the moisture content of the wheat grains is increased by 0.4%;

[0060] 3) The wheat grains after the first tempering were first frozen at -12°C for 20 minutes, the thickness of the material layer was controlled to be 3 cm, and then immediately microwaved at 80°C for 3 minutes;

[0061] 4) Adding an aqueous solution containing 0.2% antioxidant and 0.1% wheat freeze-dried powder to the microwave-treated wheat grains in step 3) for tempering, watering, and second moistening for 4 hours; to increase the moisture content of the wheat grains Continue to increase by 1%;

[0062] 5) The wheat grains after the second moi...

Embodiment 3

[0072] A stepwise moistening process, comprising the steps of:

[0073] 1) cleaning the wheat grains to remove impurities in the wheat grains;

[0074] 2) Soak, clean, rinse and drain the wheat grains removed from impurities in an ultrasonic cleaning machine equipped with 0.4% sodium bicarbonate solution, and moisten the wheat grains for 5 minutes to increase the moisture content of the wheat grains by 0.8%;

[0075] 3) The wheat grains after the first tempering were first frozen at -18°C for 40 minutes, the thickness of the material layer was controlled to 5 cm, and then immediately microwaved at 100°C for 5 minutes;

[0076] 4) Adding an aqueous solution containing 0.4% antioxidant and 0.3% wheat freeze-dried powder to the wheat grains treated with microwave in step 3) for tempering, watering, and second moistening for 6 hours; Continue to increase by 1.2%;

[0077] 5) The wheat grains after the second moistening were first frozen at -18°C for 90 minutes, the thickness of ...

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Abstract

The invention discloses a gradient wheat wetting process, and belongs to the technical field of processing of wheat powder. Ultrasound, microwaves, refrigeration and functional wheat wetting solution are combined to perform gradient wheat wetting for wheat grains by three times, so that the separation of bran from wheat germs is improved, the evacuating degree and the permeation capacity between such structures as wheat grain epidermises, seed coats, germs and endosperm, and macromolecular nutrient substances are improved, the water permeation speed is accelerated, the total wheat wetting process time is shortened to 6-12 h, the flour yield is 78.5-79.5%, the oxidation resistance and the nutrient value of flour are improved, the appearance quality, the physicochemical quality and the food safety of wheat flour are improved, the consumption of such processes as subsequent flour milling is reduced, the production cost is reduced, and a new road is sought for the wheat wetting process.

Description

technical field [0001] The invention relates to flour processing, in particular to a stepwise moistening process. Background technique [0002] Wheat flour extraction is an important economic indicator for flour mills. Under the premise of ensuring the quality of flour, the higher the flour extraction rate, the lower the production cost, and the better the flour mill benefits. Therefore, on the premise of stabilizing the quality of flour, it is the goal of flour processing to increase the flour extraction rate as much as possible. [0003] Before the wheat is ground, in order to improve the milling effect of the wheat, it needs to be tempered in advance. Conditioning of wheat refers to watering and tempering of wheat, using water and tempering time to readjust the moisture of wheat, which can improve the physical and processing characteristics of wheat and obtain better technological effects. At present, wheat conditioning methods include water conditioning at room temper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02B1/04B02B1/08B02B1/02
CPCB02B1/02B02B1/04B02B1/08
Inventor 白金山丁建龙白烨魏亚峰谭丽红
Owner 宁夏鑫德粮油工贸有限公司
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