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Method for rapidly detecting solubility of dextrin

A detection method and solubility technology, which is applied in the field of rapid detection of dextrin solubility, can solve the problems that the degree of dextrin reaction cannot be quickly and quickly guided, the actual production operation cannot be effectively guided, and the accuracy of the results is not high, so as to facilitate timely adjustment of production, Fast detection speed and rapid detection effect

Pending Publication Date: 2020-06-12
WEIFANG SENRUITE BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional simple detection methods include detection of dextrin viscosity, iodine staining method to determine the color change of dextrin, etc. The steps are cumbersome, affected by the operator's proficiency and experience, the accuracy of the results is not high, and it is impossible to quickly guide the production and control of dextrin degree of response
However, the standard dextrin solubility determination method takes too long and is only suitable for laboratory testing of finished products, and cannot effectively guide actual production operations.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment one The relationship between the solubility of dextrin and the corresponding numerical value of the Abbe refractometer

[0023] a. Take 25g of dextrin standard samples with different solubility, put them into 250ml dry and clean volumetric flasks, add 40℃ purified water to make up the volume; shake fully until melted, keep warm in 40℃ water bath for 1 hour, use medium speed filter paper Filter, take 10ml of filtrate, put it in a drying bottle in Hengzhong (the weight of the drying bottle is W1), evaporate to dryness in a water bath, then put it in a drying oven at 105°C for 2 hours, cool to room temperature, weigh it, and record it as W2, Dextrin solubility (solubility) = (W2-W1) / (1-moisture); Calculate the dextrin solubility;

[0024] b. Take 4g of dextrin samples of different solubility dextrin standard samples, place them in different Erlenmeyer flasks, add 25ml of distilled water at 25°C, shake well until the dextrin is fully dissolved; pour the obtained...

Embodiment 2

[0028] a. Quickly take the reaction sample from the production line reaction kettle and weigh 4g, place it in a Erlenmeyer flask, add 25ml of distilled water at 25°C, shake well until the dextrin is fully dissolved;

[0029] b. Pour the obtained mixed solution into a funnel to filter, and keep the filtrate;

[0030] c. Take 1-2ml of the filtrate and drop them on the detection mirror of the Abbe refractometer, measure the refractive index of the filtrate to 2.2, and get the solubility of the product reacted with dextrin to be 0.21. The solubility of the sample is verified to be 0.211 by the experimental method, and the result is close.

Embodiment 3

[0032] a. Quickly take 8g of the reaction sample from the reaction kettle of the production line, place it in a Erlenmeyer flask, add 50ml of distilled water at 25°C, and shake well until the dextrin is fully dissolved;

[0033] b. Pour the obtained mixed solution into a funnel to filter, and keep the filtrate;

[0034] c. Draw 1-2ml of the filtrate and drop them on the detection mirror of the Abbe refractometer, measure the refractive index of the filtrate to 3.2, obtain the solubility of the product reacted with dextrin by looking up the table, and verify that the solubility of the sample is 0.342 by the experimental method. The results were similar.

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PUM

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Abstract

The invention discloses a method for rapidly detecting the solubility of dextrin, which comprises the following steps: establishing a corresponding numerical relationship between the solubility of dextrin and the refractive index measured by a refractive index detector by using dextrin standard substances with different solubility, and measuring the solubility of dextrin by measuring the refractive index of a sample. The method is simple in process, low in cost, high in detection speed and high in accuracy, and can be used for real-time detection in the production process so as to guide production to make process adjustment in time.

Description

Technical field [0001] The invention belongs to the technical field of food and drug detection, and specifically relates to a rapid detection method of dextrin solubility. Background technique [0002] Dextrin is an incomplete hydrolysis product generated by acid-heat treatment of starch or the action of alpha amylase. Its composition and properties vary greatly with the degree of hydrolysis of starch. The dextrin production process is mainly completed in roasting devices such as reactors and fluidized beds. During the reaction, the powder is in a flowing state. By heating quickly and evenly, the reaction is relatively uniform and the product quality is stable. [0003] The application and product performance of dextrin products are mainly affected by the dextrin solubility (the solubility of dextrin is positively correlated with the degree of dextrin conversion, so measuring the solubility can directly reflect the degree of dextrin conversion), and dextrin The conversion p...

Claims

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Application Information

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IPC IPC(8): G01N21/41G01N1/28
CPCG01N21/41G01N1/28
Inventor 王明生赵卫强刘伟杰于晓岚郑罗燕扈雪娜
Owner WEIFANG SENRUITE BIOTECH
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