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An Infrared Identification Method of True and False Cinnabar Root Tubers

A true and false black and infrared technology, applied in measuring devices, material analysis through optical means, instruments, etc., can solve the problems of high cost, time-consuming, complicated identification procedures of true and false roots of black medicine, and reduce machine errors , the effect of improving the accuracy

Active Publication Date: 2017-01-04
ZHEJIANG FORESTRY ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the disadvantages of complex, time-consuming, and high-cost identification procedures for the true and false roots of black medicine root, and provide a simple and green method for infrared identification of true and false roots of black medicine root, avoiding solvent extraction, chromatographic Analysis, purchase of standard products and other environmental pollution and high cost issues

Method used

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  • An Infrared Identification Method of True and False Cinnabar Root Tubers
  • An Infrared Identification Method of True and False Cinnabar Root Tubers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] see figure 1 , In this embodiment, the infrared identification method of true and false black medicine tuber is composed of the following steps in turn.

[0021] (1) Weigh 10 g of sliced ​​Agarwood root samples, and dry them in a 60°C oven to constant weight.

[0022] (2) pulverize the dried agarwood root sample, pass through a 100-mesh sieve, accurately weigh 0.5 g of spectrally pure potassium bromide, accurately weigh 0.005 g of agaric powder, place it under an infrared lamp, and grind it in an agate mortar Mix evenly and press to obtain a tablet sample.

[0023] (3) Put the pressed sample into the Fourier transform infrared spectrometer, and set the resolution to 1cm -1 , scanning wavelength range 400-4000cm -1 Under the conditions of 32 scans, the average infrared spectrum was obtained.

[0024] (4) Observe the average infrared spectrum, such as figure 1 shown at 1450cm -1 ~1380cm -1 There are sawtooth peaks between, and the wavelength is 1080.4±1cm -1 There...

Embodiment 2

[0026] see figure 2, In this embodiment, the infrared identification method of true and false black medicine tuber is composed of the following steps in turn.

[0027] (1) Take 10 g of agarwood decoction pieces as agarwood root samples, and dry them in an oven at 60°C to constant weight.

[0028] (2) pulverize the dried agarwood root sample, pass it through a 100-mesh sieve, accurately weigh 0.5 g of spectrally pure potassium bromide, accurately weigh 0.005 g of the powdered agaric root sample, place it under an infrared lamp, and place it in an agate mortar. The internal grinding and mixing are uniform, and the tablet is pressed to obtain a tablet sample.

[0029] (3) Put the pressed sample into the Fourier transform infrared spectrometer, and set the resolution to 1cm -1 , scanning wavelength range 400-4000cm -1 Under the conditions of 32 scans, the average infrared spectrum was obtained.

[0030] (4) Observe the average infrared spectrum at a wavelength of 1450cm -1 ~...

Embodiment 3

[0032] In the present embodiment, the infrared identification method of true and false black medicine tuber consists of the following steps in turn.

[0033] (1) Weigh 10 g of sliced ​​Agarwood root as a Agaricus root sample, and dry it in an oven at 60°C to constant weight.

[0034] (2) pulverize the dried agarwood root sample, pass through a 100-mesh sieve, accurately weigh 0.5 g of spectrally pure potassium bromide, and accurately weigh 0.005 g of the powdered agaric root sample powder, place it under an infrared lamp, and place it in an agate mortar. Grind and mix evenly and press to obtain a tablet sample.

[0035] (3) Put the pressed sample into the Fourier transform infrared spectrometer, and set the resolution to 1cm -1 , scanning wavelength range 400-4000cm -1 Under the conditions of 32 scans, the average infrared spectrum was obtained.

[0036] (4) Observe the average infrared spectrum, wavelength 1450cm -1 ~1380cm -1 There are sawtooth peaks between, and the wa...

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Abstract

The invention relates to an infrared identification method for genuine and fake Lindera aggregata root tubers. The method is characterized by consisting of the following steps in order: (1) drying a Lindera aggregata root tuber sample at 60DEG C to a constant weight; (2) conducting crushing and sieving by a 100-mesh sieve, mixing the obtained product with spectrum pure potassium bromide in a weight ratio of 1:100, and conducting grinding and tabletting; (3) placing the obtained product into a Fourier infrared spectrometer to undergo scanning 32 times under a resolution of 1cm<-1> and a wavelength of 400-4000cm<-1> to obtain an average infrared spectrogram; and (4) in the spectrogram, taking the peak at the site of 1423+ / -1.5cm<-1> as the characteristic peak sigma 1, and taking the peak at the site of 1080.4+ / -1cm<-1> as the characteristic peak sigma 2; if a sawtooth peak exists in the range of 1450cm<-1>-1380cm<-1>, and sigma 2 exists, the sample can be genuine; and if only sigma 1 exists in the range of 1450cm<-1>-1380cm<-1>, and sigma 2 does not exist, the sample can be fake. The method provided by the invention is green and simple.

Description

technical field [0001] The invention relates to a method for distinguishing true and false agarwood roots, in particular to an infrared distinguishing method for true and false agarwood roots, that is, a method for distinguishing true and false blackgrass roots by using an infrared spectrometer as a detection method, belonging to a fast, Green identification method of true and false Chinese medicine. Background technique [0002] Wuyao has a long history, excellent quality, and is well-known both at home and abroad. It is one of the precious and authentic medicinal materials in my country. Among them, Tiantai Wuyao has the best quality, and the name of "Tiantai Wuyao" originated in Qin, heard in Han, and spread in Tang. Named in the Song Dynasty, tribute to the Yuan Dynasty, prosperous in the Ming Dynasty, and prosperous in the Qing Dynasty, it has a long history of more than 2,000 years, has a high economic and cultural value, and is a treasure in traditional Chinese medicin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/3563
Inventor 童晓青刘本同钱华秦玉川王衍彬
Owner ZHEJIANG FORESTRY ACAD
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