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Starch viscosity testing system and testing method

A test system and test method technology, applied in the fields of starch, food and soaking materials, can solve the problems affecting the accuracy of viscosity test results, unsuitable for long-term heating, difficult viscosity test, etc., to achieve convenient measurement, accurate and comprehensive measurement data, The effect of improving the utilization rate

Pending Publication Date: 2020-12-04
重庆天泽新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the device does not stir or the stirring effect is poor during the starch heating process, which seriously affects the accuracy of the viscosity test results.

Method used

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  • Starch viscosity testing system and testing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] S1. Place the measuring cup in an air bath heating and stirring device, add a certain amount of deionized water at room temperature, and then slowly add common wheat starch into the measuring cup according to the weight ratio of deionized water and starch 5:1. Dissolve while stirring, and obtain a mixed solution after complete dissolution;

[0028] S2, after the mixed solution in step S1 is heated to 50°C, every time the temperature rises by 5°C, cook for 10min in a constant temperature heating and stirring device, and the heating temperature is 130°C to obtain a starch solution;

[0029] S3, use the viscosity measuring device to test the viscosity of the starch solution while maintaining the heating, transmit the test data to the data recording and display device, and record and display the test temperature and viscosity;

[0030] S4. The temperature and viscosity data measured multiple times are automatically drawn by the system into a viscosity versus temperature cur...

Embodiment 2

[0033] S1, place the measuring cup in a water bath constant temperature heating magnetic stirring device, add a predetermined amount of deionized water at room temperature, then press the weight ratio of deionized water and starch 30:1, slowly add a certain amount of rice high amylose starch to measure In the cup, dissolve while stirring, and obtain a mixed solution after complete dissolution;

[0034] S2, start from 50 ℃, every 10 ℃, cook in the constant temperature heating and stirring device for 120min,

[0035] S3. Use a viscosity measuring device to test the viscosity of the liquid while heating, and transmit the test data to a data recording and display device to record and display the temperature and viscosity of this test.

[0036] S4. Record the data points of multiple measurements and the corresponding viscosity, and the system will automatically display the viscosity versus temperature curve.

[0037] The starch viscosity testing system and its testing method obtai...

Embodiment 3

[0039] A starch viscosity testing system and method for testing the same, comprising the following features and steps:

[0040] S1. Place the measuring cup in a sand bath constant temperature heating mechanical stirring device, add deionized water that is 10 times its own weight of potato low amylose at room temperature, and then slowly add a certain amount of potato low amylose into the measuring cup, Dissolve while stirring, and obtain a mixed solution after complete dissolution;

[0041]S2, the mixture is cooked at 50°C for 60min in a constant temperature heating and stirring device at intervals of 10°C,

[0042] S3. Use a viscosity measuring device to test the viscosity of the liquid, and transmit the test data to a data recording and display device to record and display the temperature and viscosity of this test. After the measurement, pour out the starch solution, wash the measuring cup, and rinse with deionized water.

[0043] S4, place the measuring cup in an oil bat...

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Abstract

The invention discloses a starch viscosity testing system and a starch viscosity measuring method. The starch viscosity testing system is characterized by comprising a constant-temperature heating andstirring device, a viscosity measuring device, a data transmission line and a data recording and displaying device. And the constant-temperature heating and stirring device is one of an air bath, a sand bath, a water bath and an oil bath. The heating mode can be that the viscosity is measured after heating is completed, and can also be that the viscosity is measured while heating. And the constant-temperature heating and stirring device is one of magnetic stirring and mechanical stirring. The starch can be added into a measuring cup at a time and is heated all the time to test the viscosity,or the starch can be replaced again to be dissolved, heated and tested after the viscosity is measured at constant temperature by heating each time. The system has the beneficial effects that the system is convenient to measure, accurate and comprehensive in measured data, wide in application range, low in price, durable, capable of being heated for a long time, convenient to replace and wash themeasuring cup, beneficial to rapid and accurate measurement of the starch viscosity, capable of ensuring accurate parameters in the impregnating compound preparation and control process, high in superior product rate and capable of reducing the cost in a disguised manner.

Description

technical field [0001] The invention relates to the fields of starch, food and infiltration materials, in particular to a starch viscosity test system and a test method. Background technique [0002] Starch is the main component of food. The main ingredient in many foods is starch. Gelatinization of starch refers to the process of swelling and breaking starch crystallites in a suspension composed of starch and water. The gelatinization process and conditions of starch have a significant impact on the properties of starch solutions and related products. By testing the viscosity curve of starch, it can provide a basis for the determination of starch gelatinization temperature, and can also provide guidance for temperature selection in the production process. Promote the correct use of starch raw materials and ensure the quality of their products. Therefore, it is very important for starch manufacturers or individuals to choose a viscosity testing system with reliable qualit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N11/00
CPCG01N11/00G01N2011/0093
Inventor 刘叶凤刘琛琛邓丹东罗声同张志强张洪周家荣
Owner 重庆天泽新材料有限公司
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