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Method for judging donkey hide cleanliness according to turbidity

A turbidity and donkey skin technology, applied in the field of donkey skin washing based on turbidity determination, can solve the problems of strong subjectivity, lack of quantification, affecting the quality of donkey hide and skin quality fluctuation, etc., and achieving uniform quality and fluctuation of ash content. Small, the effect of solving large errors

Inactive Publication Date: 2018-07-06
SHAN DONG DONG E E JIAO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the method of judging the washing of donkey hide is empirical visual inspection and then ending the washing without sediment impurities. The subjectivity is too strong and there is no quantifiable index, which leads to fluctuations in the quality of donkey hide cleansing, and ultimately affects the quality of donkey-hide gelatin.

Method used

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  • Method for judging donkey hide cleanliness according to turbidity
  • Method for judging donkey hide cleanliness according to turbidity
  • Method for judging donkey hide cleanliness according to turbidity

Examples

Experimental program
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Effect test

Embodiment 1

[0032] A method for judging donkey hide washing based on turbidity, comprising the steps of:

[0033] Step 1: Soak the raw donkey skin in water for 3 days to obtain donkey skin with a water content of 57.5%.

[0034] Step 2: Put the soaked donkey skin into the drum, and set the standard value of the turbidity of the skin washing water to 4NTU; add water 3 times the weight of the donkey skin to the drum with a rotating speed of 10r / min, and then turn on the rotating drum. The drum was stirred and washed for 30 minutes, and after stirring, the washing water was discharged and the turbidity of the washing water was measured as 59.32NTU, which was recorded as the first washing; the turbidity of the washing water obtained for the first washing was 59.32NTU greater than the standard Value 4NTU;

[0035] Step 3: Put the donkey hide obtained after the first wash into the drum several times, add water with 3 times the weight of the donkey hide, stir and wash the hide for 30 minutes, t...

Embodiment 2

[0039] A method for judging donkey hide washing based on turbidity, comprising the steps of:

[0040] Step 1: Soak the raw donkey skin in water for 4 days to obtain donkey skin with a water content of 61.3%;

[0041] Step 2: Put the soaked donkey skin into the drum, and set the standard value of the turbidity of the skin washing water to 5NTU; add water 3 times the weight of the donkey skin to the drum with a rotating speed of 10r / min, and then turn on the rotating drum The drum was stirred and washed for 30 minutes, and after stirring, the washing water was discharged and the turbidity of the washing water was measured as 62.72NTU, which was recorded as the first washing; the turbidity of the washing water obtained for the first washing was 69.72NTU greater than the standard Value 5NTU;

[0042] Step 3: Put the donkey hide obtained after the first wash into the drum several times, add water with 3 times the weight of the donkey hide, stir and wash the hide for 30 minutes, th...

Embodiment 3

[0046] A method for judging donkey hide washing based on turbidity, comprising the steps of:

[0047] Step 1: Soak the raw donkey skin in water for 5 days to obtain donkey skin with a water content of 64.8%.

[0048] Step 2: Put the soaked donkey skin into the drum, and set the standard value of the turbidity of the skin washing water to 2NTU; add water 4 times the weight of the donkey skin to the drum with a rotating speed of 8r / min, and then turn on the rotating drum. The drum was stirred and washed for 20 minutes, and after stirring, the washing water was discharged and the turbidity of the washing water was measured as 55.28NTU, which was recorded as the first washing; the turbidity of the washing water obtained for the first washing was 55.28NTU greater than the standard value 2NTU;

[0049] Step 3: put the donkey hide obtained after the first washing into the drum several times, add water with 3 times the weight of the donkey hide, stir and wash the skin for 20 minutes,...

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Abstract

The invention discloses a method for judging donkey hide cleanliness according to turbidity. The method comprises the following steps: 1) soaking a raw material, namely donkey hide, into water so as to obtain donkey hide of which the water content is 55-65%; 2) putting the soaked donkey hide and water into a rotary drum, stirring to clean the donkey hide, discharging out donkey hide washing water,and measuring the turbidity of the donkey hide washing water; and 3) comparing the measured turbidity of the donkey hide washing water with a standard value of donkey hide washing water turbidity, repeating the step 2) if the measured turbidity of the donkey hide washing water is greater than the standard value of the donkey hide washing water turbidity, and recording a variation curve of the turbidity of the donkey hide washing water along with donkey hide washing times, thereby obtaining net donkey hide till the measured turbidity of the donkey hide washing water is smaller than the standard value, wherein the standard value of the donkey hide washing water turbidity is 2-5NTU. By adopting the method disclosed by the invention, the cleanliness degree of the donkey hide in the donkey hide washing process can be rapidly and objectively reflected, the problem that relatively great errors can be caused by artificial experience judgment can be solved, and furthermore the quality of donkey-hide gelatin can be ensured.

Description

technical field [0001] The invention belongs to the technical field of traditional Chinese medicine raw material processing. More specifically, it relates to a method for judging the cleanliness of donkey hide based on turbidity. Background technique [0002] Donkey-hide gelatin is a traditional blood-enriching medicine in my country. It is a solid gelatin made from equine animal donkey skin through decoction and concentration. Its components are mainly protein and its hydrolyzate polypeptide, amino acid and so on. Donkey-hide gelatin has various health effects such as promoting hematopoiesis, anti-fatigue, and enhancing memory. Its production process needs to go through 49 processes, mainly including soaking, washing, shaving, cutting, blanching, melting, foaming, concentration, condensation, drying, post-processing and other process steps. [0003] Donkey skin, the raw material of donkey-hide gelatin, is easily spoiled during storage, so donkey skin needs to be treated ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/84
CPCG01N21/84
Inventor 石永坚徐云鹏郝向慧王玉娇周祥山郭尚伟段小波王静池雨锋
Owner SHAN DONG DONG E E JIAO
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