Pesticides and trace elements in cannabis: Analytical and environmental challenges and opportunities |
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Authors: | Caley B Craven Nicholas Wawryk Ping Jiang Zhongshan Liu Xing-Fang Li |
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Affiliation: | 1. Department of Chemistry, Faculty of Science, University of Alberta, Edmonton, AB T6G 2G2, Canada;2. Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 2G3, Canada |
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Abstract: | Cannabis is increasingly used for both medicinal and recreational purposes with an estimate of over 180 million users annually. Canada has recently legalized cannabis use in October 2018, joining several states in the United States of America (e.g., Colorado, California, and Oregon) and a few other countries. A variety of cannabis products including dry flowers, edibles, and oil products are widely consumed. With high demand for cannabis products worldwide, the quality of cannabis and its related products has become a major concern for consumer safety. Various guidelines have been set by different countries to ensure the quality, safety, and efficacy of cannabis products. In general, these guidelines require control of contaminants including pesticides, toxic elements, mycotoxins, and pathogens, as well as residual solvents in regard to cannabis oil. Accordingly, appropriate analytical methods are required to determine these contaminants in cannabis products for quality control. In this review, we focus on the current analytical challenges and method development for detection of pesticides and toxic elements in cannabis to meet various guidelines. |
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Keywords: | Cannabis QA/QC Contaminants Analytical testing Pesticides Heavy metals Regulations |
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