Method for identifying organic hot pepper based on stable isotope ratio
An isotope, pepper technology, applied in the direction of measuring devices, material analysis by electromagnetic means, instruments, etc., can solve the problems of non-uniformity, many certification agencies, and high costs, and achieve the effect of promoting healthy development, maintaining interests, and simple operation.
Inactive Publication Date: 2013-03-13
CHINA NAT RES INST OF FOOD & FERMENTATION IND CO LTD
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Problems solved by technology
Although the national standard GB/T19630 "Organic Products" comprehensively stipulates and requires organic products from the four aspects of production, processing, labeling and sales, and management system, due to high cost, irregular management, and many and inconsistent cer
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Embodiment 1
[0016] Organic peppers and conventional peppers were planted according to the national standard; organic peppers were divided into two groups: the organic fertilizer group and the non-exogenous fertilizer group; Pepper samples of 30 days, 50 days and 70 days were taken respectively for δ 15 Determination of N value, the results show that the difference between organic pepper and conventional pepper is extremely significant (p≤0.01), as attached figure 1 .
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The invention discloses a method for identifying organic hot peppers based on stable isotope ratio, and belongs to the technical field of trueness identification of organic foods. The method comprises the following steps of: comparing the delta 15N values of true organic hot peppers and hot pepper samples to be measured, wherein if no significant difference exists, the hot pepper samples to be measured are indicated to be true organic hot pepper samples, and if the significant difference exists, the hot pepper samples to be measured are indicated to probably not be the true organic hot pepper samples; or firstly measuring a large quantity of true organic hot peppers, establishing an organic hot pepper N isotopic composition characteristics database, then detecting whether the delta 15N value of the hot pepper samples to be measured is contained in the organic hot pepper N isotopic composition characteristics database, wherein if so, the hot pepper samples to be measured are organic hot peppers, and if not, the hot pepper samples to be measured are probably not the true organic hot peppers. The method capable of accurately identifying the organic hot peppers, which is disclosed by the invention, is established by utilizing a stable isotope mass spectrometry technology, can be used for solving the technical problem of national organic hot peppers on market supervision and is conductive to specifying the market behaviors, protecting the benefits of consumers and legal enterprises and promoting the healthy and orderly development of an organic food industry.
Description
Technical field: [0001] The invention relates to a method for identifying organic peppers based on stable isotope ratios, and belongs to the technical field of organic food authenticity identification. Background technique: [0002] Organic products require no chemical fertilizers or chemical pesticides to be used in the process of planting or production, and have no pollution and pollution to the environment and human body, so they are favored by consumers. In my country, the organic food industry maintains an annual growth rate of 20% to 30%. Although the national standard GB / T19630 "Organic Products" comprehensively stipulates and requires organic products from the four aspects of production, processing, labeling and sales, and management system, due to high cost, irregular management, and many and inconsistent certification agencies And other reasons, in the organic market, the cases of shoddy goods and false ones continue to occur. This not only harms the legitimate r...
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Inventor 钟其顶孟镇武竹英元晓梅熊正河
Owner CHINA NAT RES INST OF FOOD & FERMENTATION IND CO LTD
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