Method for quickly detecting quality of donkey-hide gelatin

An Ejiao and quality technology, applied in the field of detection and analysis, can solve the problems of long detection time, high detection cost, large experimental error, etc., and achieve the effect of saving time, making significant technological progress, and simplifying the operation process.

Inactive Publication Date: 2016-01-06
SHANGHAI INST OF TECH
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  • Abstract
  • Description
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Problems solved by technology

[0006] Aiming at the above-mentioned technical problems in the prior art, the present invention provides a kind of method for quickly discriminating the quality of donkey-hide gelatin, and the described method for quickly discriminating the quality of donkey-hide gelatin will solve the HPLC and sensory evaluation methods for the quality of donkey-hide gelatin in the prior art. High cost, long detection time, large experimental error and other technical problems

Method used

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  • Method for quickly detecting quality of donkey-hide gelatin
  • Method for quickly detecting quality of donkey-hide gelatin

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Experimental program
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Embodiment 1

[0020] A method for quickly identifying the quality of donkey-hide gelatin, comprising the steps of:

[0021] Step 1): Dissolve 0.50 g of pulverized donkey-hide gelatin samples (as shown in Table 1) in 5.0 mL of distilled water at 80°C, place in a 10-mL sample bottle and seal it with a silica gel gasket, and let it stand for 10-15 minutes. Each donkey-hide gelatin sample Repeat the test 3 times;

[0022] Step 2): Set the analysis parameters of the electronic nose system:

[0023] The electronic nose system used in the present invention is FOX4000 electronic nose fingerprint analysis system of French AlphaM.O.S company. The analysis parameters are: heating time 5-6min, heating temperature 40-50℃; heater oscillation speed 500-600rpm, oscillation 3s, interval 1s; injection volume: 500μL; injection speed: 500μL / s; data acquisition time: 120s ;Delay time: 1080s.

[0024] In step 3), the sample bottle of step 1) is placed on the sample tray, and the analysis test is carried out b...

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Abstract

The invention provides a method for quickly detecting the quality of donkey-hid gelatin. Qualified Dong'e donkey-hide gelatin is selected to serve as a standard reference sample; a crushed donkey-hide gelatin sample is dissolved in distilled water and put in a sample bottle, and then the sample bottle is sealed; the sample bottle is put on a sample plate of an electronic nose system, analysis parameters of the electronic nose system are set, and analysis and testing are performed through the electronic nose system; smell fingerprint information of the donkey-hide gelatin is collected through the electronic nose system, and each sample is analyzed for 120 s; a sensor array of the electronic nose system acquires the smell which the donkey-hide gelatin emits, acquired data are subjected to system cluster analysis by means of SPSS (statistical product and service solutions) data statistical software, and the quality of the donkey-hide gelatin can be quickly detected. The pre-treatment of the sample is simple, no organic solvents are required, and the method is natural, cannot cause any pollution and has the characteristics of low price, fastness, objectivity and the like.

Description

technical field [0001] The invention belongs to the field of detection and analysis, and relates to donkey-hide gelatin, in particular to a method for quickly identifying the quality of donkey-hide gelatin. Background technique [0002] "Donkey-hide gelatin, the top grade in this classic. Hongjing said: 'From Dong'e, so it is called donkey-hide gelatin'". Ejiao has a history of nearly 3,000 years in my country. Together with ginseng and velvet antler, it is called the "Three Nourishing Treasures". Traditional Chinese medicine believes that donkey-hide gelatin is sweet in taste and flat in nature. It has the effects of nourishing blood, nourishing yin, moistening dryness and stopping bleeding. Modern clinical medical research shows that donkey-hide gelatin has the functions of nourishing blood, beautifying skin, delaying aging, improving immunity, supplementing calcium and inhibiting tumor cells. [0003] A well water and Dong'e groundwater are from the same water source, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00
Inventor 朱建才舒畅肖作兵牛云蔚陈合兴
Owner SHANGHAI INST OF TECH
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