Determination of pesticide residues in traditional Chinese medicinal materials Milkvetch Root

Traditional Chinese medicine, is a drug which has been considered to be treating the symptoms with minimal side effects, including Chinese herbal medicine and traditional Chinese medicine tablet etc. Milkvetch Root, perennial herb, produced in Inner Mongolia, Shanxi, Gansu, Heilongjiang etc. Medicinal so far has been 2000 years of history, it can enhance immune function, protecting liver, diuresis, anti-aging and wider antibacterial effect, and so on, is widely used in traditional Chinese medicine dispensing prescription. In the process of cultivation of Chinese herbal medicines, it’s often threatened by variety of diseases, the yield and quality of medicinal materials are impacted directly which causing significant economic losses. In 1997 the national Traditional Chinese Medicine Bureau organized relevant units to carry out research on Chinese herbal medicine plant protection, the result of investigation shows that the medicinal plant diseases and insect pests prevention is the weak link for the production of Chinese herbal medicine. Plant diseases and insect pests of many types, bring severe losses. Due to the lack of knowledge about medicinal pesticide, misuse of pesticides is the prominent problem. The problem of pesticide residues in Chinese herbal medicine, a direct impact on human health, hinder the traditional Chinese medicine into the international market. In this paper, using the SHIMADZU three triple quadrupole GC-MS realized the determination of multiple trace pesticide residues in Milkvetch Root by instrument GCMS-TQ8040, the method has high sensitivity and good accuracy.