Agricultural product production place identification method

A technology of agricultural products and origin, applied in the direction of material inspection products, measuring devices, instruments, etc., can solve the problems of complex sources of Schisandra medicinal materials, imperfect quality control, etc., and achieve the effect of realizing the protection of origin, ensuring the safety of medicine and food, and simple indicators

Active Publication Date: 2015-07-08
SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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Problems solved by technology

At present, the quality control of Chinese medicinal materials of Schisandra chinensis and corresponding Chinese pa

Method used

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  • Agricultural product production place identification method
  • Agricultural product production place identification method
  • Agricultural product production place identification method

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Experimental program
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Embodiment Construction

[0052] A total of 30 batches of Schisandra samples from Liaoning (10 batches), Heilongjiang (5 batches), Hubei (6 batches), Hunan (3 batches) and Guangxi (6 batches) were used for analysis and research. Finally, wash, dry, and dry to constant weight, then grind and sieve for later use.

[0053] (1) EA-IRMS, HPLC and ICP-MS were used to determine the δ in Schisandra samples 15 N, content of schisandrin A, schisandrin ester A, schisandrin A, schisandrin B, B, and Sr, the results are shown in Table 2. (2) 92 batches of samples were used as blind samples, and their measured values ​​were substituted into the established model formula to obtain corresponding discrimination results. The comparison of the discriminant results with the actual source is shown in Table 3. It can be seen from Table 3 that the discrimination accuracy rate of Schisandra chinensis in the five provinces is 100%, showing a good discrimination effect.

[0054] The measured values ​​of each index in the Schi...

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Abstract

The present invention relates to a discrimination method, particularly to an agricultural product production place identification method, which is mainly used for schisandra chinensis production place identification. According to the agricultural product production place identification method, the independent variable factors in the crushed schisandra chinensis sample is qualitatively and/or quantitatively determined, and is used to carry out model regression, and the belonging production place of the sample is determined according to the dependent variable level, wherein the independent variable factors (Xj) are [delta]<15>N, the schisandrin content, the schisantherin A content, the schizandrin A content, the schisandrin B content, the B content and the Sr content. According to the present invention, the schisandra chinensis is adopted as the demonstration to develop the production place traceability research to screen the geographic labels for effectively indicating the schisandra chinensis production place source, such that the drug food safety of the consumer can be easily ensured, the original production place protection of the authentic herbs can be achieved, and the theoretical basis is provided for the optimized planting of the schisandra chinensis. In addition, the technology can further be promoted and applied for the agricultural product quality safety and control, and has broad application prospects.

Description

technical field [0001] The invention relates to a discrimination method, in particular to a method for identifying the origin of agricultural products, which is mainly applicable to the origin identification of schisandra chinensis. Background technique [0002] As a multifunctional and multipurpose plant with both medicinal and edible uses, Schisandra chinensis is widely distributed in more than 20 provinces and autonomous regions in my country. Introduction and cultivation is the main method for the expansion and regeneration of Schisandra resources. Due to the influence of environmental factors such as climate, soil, water quality, and atmosphere, and the difference in planting patterns, the quality of Schisandra in different regions varies significantly. The traditional view in the field of traditional Chinese medicine believes that the northern five flavors are superior to the southern Schisandra. The 2010 edition of the Pharmacopoeia also separates the southern and no...

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Application Information

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IPC IPC(8): G01N33/15G01N30/02G01N27/62
Inventor 李国琛王颜红王世成
Owner SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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