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Chinese medicine pesticides have repeatedly exceeded the standard? Gas chromatograph detection is the key

Time:2018/10/13   Pageviews:2    Share:
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Recently, ginseng produced by more than 40 manufacturers has been exposed Clear hplc vials by the State Food and Drug Administration (CFDA) that “pesticide residues are excessive and unqualified”. According to the article, the pesticide residue of this batch is 1.5mg/kg, which is not more than 0.1mg/kg according to the regulations, and the pesticide residue of ginseng with the batch number of 160901 is 1.5mg/kg of pentachloronitrobenzene. 15 times the value.

Compared with western medicine, the biggest advantage of traditional Chinese medicine is that it has low price, short production cycle, small side effects and sustainable development. The market prospect is quite broad. However, Chinese medicine is very susceptible to pesticide contamination during production and sales. Once Chinese medicines with excessive levels of pesticides enter the market, they will pose a huge threat to people's health. In recent years, the phenomenon of excessive exposure of Chinese medicine pesticides, which has been repeatedly exposed, has once caused the status of Chinese medicine to decline and fall into a new round of "trust crisis."
The Chinese traditional Chinese medicines are generally contaminated by pesticides. First, the Chinese herbal medicines are polluted during the process of planting and growing, and the soil and water sources are contaminated, and the plants are exposed to these high-residue pesticides while ingesting nutrients. The second is the cultivation of Chinese herbal medicine plants, the unreasonable use of pesticides or the use of highly residual highly toxic pesticides, resulting in the contamination of the herbs; the third is the Chinese herbal medicines derived from animals, due to the biological Long-term accumulation leads to partial toxicity.

The main types of pesticide residues in Chinese herbal medicines Clear hplc vials include organochlorine pesticides, organophosphorus pesticides, chloroformate pesticides, pyrethroid pesticides and other low-toxic pesticides. In order to effectively prevent the influx of Chinese medicines with excessive pesticide residues into the market and pose a threat to people's health, researchers have studied a series of testing techniques for pesticides exceeding the standard.

The biggest difficulty in detecting pesticide residues in traditional Chinese medicine is that some of the chemical properties of the medicinal materials are similar to those of pesticides, and the pesticide residues in traditional Chinese medicines are generally less, so the detection difficulty is generally higher. At present, several common detection technologies are gas chromatography, which are mainly used for the detection of organochlorine pesticides and organophosphorus pesticides. High performance liquid chromatography is generally applicable to some pesticides with weak thermal stability and high polarity. The detection of its metabolites; thin-layer chromatography, its outstanding advantages are simple and easy to operate and the types of samples analyzed are also many. The color of the spots can be observed with a special developer, which is helpful for the separation and screening of the mixture. In addition, there are living bioassays, mass spectrometry, and the like.

The phenomenon of excessive pesticide residues in traditional Chinese medicine has been repeatedly banned. In the final analysis, the standards are still not perfect. There are few types of standards in China, and it is impossible to form a complete coverage of pesticide varieties. In addition, Clear hplc vials some pesticide residue testing standards have remained at the beginning of the development phase, and no timely revisions and updates have been made.

Excessive standard of Chinese medicinal materials is a major threshold affecting the quality of Chinese medicine and restricting the trend of Chinese medicine to international market. Therefore, in the process of producing and selling Chinese herbal medicines, relevant manufacturers must improve their awareness of supervision, standardize the production process of products, reduce the harm of pesticide residues to traditional Chinese medicines, and ensure that users' lives and health are not infringed.Clear hplc vials

This is the end of the introduction of Chinese medicine pesticides have repeatedly exceeded the standard? Gas chromatograph detection is the key. I hope it can help you.


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