More and more people have realized the problems of exogenous harmful residues in traditional Chinese medicines (TCMs). In this review, the current development in studies on and construction of drug standard was reviewed. Moreover, the sample census result and degree of harm were analyzed. It is proposed that the concept of risk management should be integrated into the control of exogenous harmful residues in TCMs. And we should follow the scientific principles of risk control and develop new supervision system to ensure the quality and safety of TCMs as well as the development of the industry.

The overall quality status of Chinese patent medicines is summarized by analysis of the evaluation results of Chinese patent medicines. The factors affecting the quality of Chinese patent medicines were summarized and analyzed. Rationalization suggestions were provided about herb planting, decoction pieces processing, market circulation, production control and standards control.

Objective To construct the new diet intervention scheme of dyslipidemia of university teachers, discuss the effect of this plan on eating behavior change. Methods Choose two groups of college teachers in Harbin, who were hyperlipemia and had physical examinations from June to September, 2014. 44 teachers from one college were conducted the new dietary intervention as experimental group, 37 teachers from another college were the control group, used the usual method. Compared two groups before and after the intervention of dietary behavior and blood lipid. Results The experimental group′s dietary behaviors changed strongly after implement the new dietary intervention, the scores of DTS before the experiment (58.82 ± 18.47) points,3 months after the experiment (48.36 ± 14.25) points and 6 months after the experiment (44.18±14.92) points were statistically significant (F=21.308, P < 0.01). There was no statistically significant difference in control group (F = 1.129, P > 0.05), respectively (60.51 ± 16.91) points, (57.19 ± 16.35) points, (56.92 ± 21.35) points. After 6 months, the experimental group′s subjects of TC was (4.28±3.73) mmol/L, the control group was (6.23±1.04) mmol/L, the difference was statistically significant (t = 3.082, P < 0.05), there were no significant differences in TG, LDL-C and HDL-C of the two groups (P>0.05). Conclusions The new dietary guidance plan can effectively improve and maintain the dietary behavior in hyperlipidemia college teachers, and decrease the blood lipid level.

The study is aimed to distinguish morphological characteristics of Dalbergiae Lignum collected from crude drug's markets and establish a identification methods and the quality standard for Dalbergiae Lignum. The macroscopic and microscopic features of Dalbergiae Lignum from crude drug's market were observed, analyzed and compared according to Hongmu specification issued by the People's Republic of China in 2000, and by the characteristics recorded in domestic monograph of Mucai Shibie (wood identification). The redwood of Dalbergiae Lignum cut into small pieces as medicinal material are dry heart wood of mahogany (trees from Dalbergia sp.), which characteristics of the small pieces as crude drug are different. There are differences in macroscopic and microscopic features about texture of wood and color, odor, taste, transverse section, radial section, tangential section. The results can provide basis for identification, application and improment of the quality standard of Dalbergiae Lignum as medicinal material.
China ; Dalbergia ; anatomy & histology ; chemistry ; classification ; Herbal Medicine ; economics ; Plants, Medicinal ; chemistry ; classification ; Quality Control ; Xylem ; anatomy & histology ; chemistry

Citrus aurantium is one of the most common traditional Chinese medicines. In this paper, the chemical components, content determination and pharmacological actions of C. aurantium were summarized for the comprehensive utilization of its resources. Because of the complicated resources of C. aurantium, only one single component as index couldn't reflect the quality and effects and comprehensive evaluation which concluding multiple components should be established in the future quality control. In recent years, the pharmacological effects research of C. aurantium has made tremendous progress, and it is important to explore new drugs from the development and utilization of the active ingredient of C. aurantium. In recent years, the pharmacological effects research of C. aurantium has made tremendous progress, and it is important to explore new drugs from the development and utilization of the active ingredient of C. aurantium.
Citrus ; chemistry ; Medicine, Chinese Traditional ; Plant Extracts ; pharmacology

Sailonggu, a traditional Chinese medicine is whole skeleton of Myospalax baileyi, which is a kind of animal of rodent from Qinghai-Tibet Plateau of China. Osteon Myospalacem Baileyiis the first category medicinal materials of China Food and Drug Administration. For better quality control, a method of the morphological identification of Osteon Myospalacem Baileyi was established by means of studying characteristics of the animal skeleton, it's microscopic characteristics of powder, and literatures comparison. The characteristics of Osteon Myospalacem Baileyi were observed and recorded in detail and marked by number, which could be used for identifying crude drug of Osteon Myospalacem Baileyi efficiently.
Animals ; Bone and Bones ; anatomy & histology ; chemistry ; China ; Medicine, Chinese Traditional ; Rodentia ; anatomy & histology

Citri Fructus identification by fingerprint and chemometrics was investigated in this paper. Twenty-three Citri Fructus samples were collected which referred to two varieties as Cirtus wilsonii and C. medica recorded in Chinese Pharmacopoeia. HPLC chromatograms were obtained. The components were partly identified by reference substances, and then common pattern was established for chemometrics analysis. Similarity analysis, principal component analysis (PCA) , partial least squares-discriminant analysis (PLS-DA) and hierarchical cluster analysis heatmap were applied. The results indicated that C. wilsonii and C. medica could be ideally classified with common pattern contained twenty-five characteristic peaks. Besides, preliminary pattern recognition had verified the chemometrics analytical results. Absolute peak area (APA) was used for relevant quantitative analysis, results showed the differences between two varieties and it was valuable for further quality control as selection of characteristic components.
Chromatography, High Pressure Liquid ; Citrus ; chemistry ; classification ; Discriminant Analysis ; Drugs, Chinese Herbal ; chemistry ; Fruit ; chemistry ; classification ; Mass Spectrometry ; Principal Component Analysis

Epmedii Folium is a commonly used traditional Chinese drug, and is beneficial for the "liver" and "kidney" s function in Chinese medicine. Recently, the origin of this drug is more complex. Most of the identification studies are emphasized on the species certified by the pharmacopoeia and other related species from the same genus of Epimedium, but few was emphasized on the counterfeit. In this paper, one counterfeit of Epmedii Folium, identified as the dried leaf of Quercus variabilis (Fam. Fagaceae), has been reported based on field investigation, comparing specimen of Epmedii Folium and Q. variabilis,using the macroscopic, microscopic and TmC methods. It is resulted that they could be identified clearly not only by the macroscopic features, such as the vein character and the tooth apex, but also by the microscopic features, such as the vascular bundles of the midrib, the non-glandular hair, the anticlinal wall of the epidermis cell and the calcium oxalate crystal. Furthermore their TLC chromatograms showed also difference. This study will give reference for the identification of Epmedii Folium and the related supervision and inspection work.
China ; Discriminant Analysis ; Epimedium ; anatomy & histology ; chemistry ; Plant Leaves ; anatomy & histology ; chemistry ; Plants, Medicinal ; anatomy & histology ; chemistry ; Quercus ; anatomy & histology ; chemistry

To investigate the metabolic rate and metabolites of 9-dehydro-17-dehydro-andrographolide, which is the main active ingredient in Xiyanping injection, by using the in vitro rat liver microsome incubation system. 9-dehydro-17-dehydro-andrographolide was incubated together with liver microsome mixed with NADPH. Its metabolic rate was studied by determining its residual concentrations with the UHPLC-MS/MS method; Its metabolites were identified by the UPLC-TOF-MS(E) method. The results showed that 9-dehydro-17-dehydro-andrographolide was metabolized faster than rat liver microsomes mixed with coenzymes, with t½ and CL of (19.7 ± 0.5) min and (35.1 ± 0.8) mL x min(-1) x g(-1) (protein), respectively. Based on the high resolution mass spectrum data and information from literatures, altogether nine metabolites of 9-dehydro-17-dehydro-andrographolide were identified in the incubation system, particularly hydroxylated and dehydrogenized products. The results of identification would provide a basis for screening out more active andrographolide derivatives.
Animals ; Chromatography, High Pressure Liquid ; Diterpenes ; chemistry ; metabolism ; Drugs, Chinese Herbal ; chemistry ; metabolism ; Microsomes, Liver ; chemistry ; metabolism ; Molecular Structure ; Rats ; Tandem Mass Spectrometry

In our study, 198 types of pesticides in 120 types 333 lots of traditional Chinese medicine (TCM), which were reasonably classified according to its matrix property, were determined by using the pretreatment platform and gas chromatography-mass spectrometry method. As a result, 158 were contaminated with pesticides. However, the content of pesticides in most TCM was very low. In addition, types of pesticides were different in different part of materia medica. In conclusion, the current status of pesticide residues pollutants in TCM was summarized, and the result can provide proof for the formulation of maximum residue limit. The new species of herbs and the new detecting index should be electively monitored in Chinese Pharmacopeia.
China ; Drug Contamination ; prevention & control ; Pesticide Residues ; analysis ; Plants, Medicinal ; chemistry ; Quality Control