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Kozhuharov VR, Chakarov D, Ivanova S, Ivanov K. Development and validation of a high-performance thin-layer chromatography method for detection of sibutramine in dietary supplements. Folia Med (Plovdiv) 2024; 66:255-263. [PMID: 38690822 DOI: 10.3897/folmed.66.e121218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 02/23/2024] [Indexed: 05/03/2024] Open
Abstract
INTRODUCTION In the period between 1997 and 2010, sibutramine-containing drugs were widely prescribed for obesity and over-weight management. Due to safety concerns, in 2010 all medicines containing sibutramine were urgently withdrawn from the USA and European pharmaceutical market. Although sibutramine is no longer available in pharmaceutical products, there have been numerous reports of mislabeled weight-loss dietary supplements containing sibutramine.
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Affiliation(s)
| | | | | | - Kalin Ivanov
- Medical University of Plovdiv, Plovdiv, Bulgaria
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2
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Guan T, Chen S, Chen Y, Wang Y, Yu X, Huang X, Liu Q, Lei H, Yang Q. Simultaneous identification of three emergent stimulant laxative adulterants in slimming foods using only one antibody. Anal Bioanal Chem 2024:10.1007/s00216-024-05246-4. [PMID: 38502374 DOI: 10.1007/s00216-024-05246-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 02/20/2024] [Indexed: 03/21/2024]
Abstract
Stimulant laxatives were recently found to be abused in slimming foods, resulting in harmful effects on consumers. To ensure the safety of relative products, sensitive yet multiplex immunoassays are crucial in rapid screening of stimulant laxatives. However, there are few immunoassays for these substances, and even less for broad-specific recognition. Thus, in this work, four theoretically promising haptens of emerging stimulant laxative bisacodyl were rationally designed using molecular modeling and synthesized to immune animals, whose feasibility was confirmed by the obtained broad-specific antibody. Based on this unique antibody, a highly sensitive multiplex competitive indirect enzyme-linked immunosorbent assay (ciELISA) was established with low limits of detection for bisacodyl, sodium picosulfate, and BHPM (0.23, 13.68, and 0.11 ng/mL). In spiked sample recovery test and real sample detection, this ciELISA exhibited acceptable consistency with the validation method, demonstrating high accuracy and applicability of our method. This reliable multiplex ciELISA proceeds the rapid screening of stimulant laxatives in slimming foods.
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Affiliation(s)
- Tian Guan
- Guangdong Provincial Key Laboratory of Food Quality and Safety/National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, 483 Wushan Road, Tianhe District, Guangzhou, 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
| | - Sha Chen
- Guangdong Provincial Key Laboratory of Food Quality and Safety/National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, 483 Wushan Road, Tianhe District, Guangzhou, 510642, China
| | - Yanhong Chen
- Guangzhou Institute of Food Inspection, Guangzhou, 510080, China
| | - Yu Wang
- Guangzhou Institute of Food Inspection, Guangzhou, 510080, China
| | - Xiaoqin Yu
- Sichuan Institute of Food Inspection, Chengdu, 610097, China
| | - Xinan Huang
- Tropical Medicine Institute and South China Chinese Medicine Collaborative Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Qing Liu
- Guangzhou Customs Technology Center Food and Cosmetics Testing Institute, Guangzhou, 510075, China
| | - Hongtao Lei
- Guangdong Provincial Key Laboratory of Food Quality and Safety/National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, 483 Wushan Road, Tianhe District, Guangzhou, 510642, China.
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China.
| | - Qunhua Yang
- Guangzhou Huibiao Testing Technology Center, 412 Jinlingnan Road, Nansha District, Guangzhou, 511458, China.
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3
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Kemsawasd V, Jayasena V, Karnpanit W. Incidents and Potential Adverse Health Effects of Serious Food Fraud Cases Originated in Asia. Foods 2023; 12:3522. [PMID: 37835175 PMCID: PMC10572764 DOI: 10.3390/foods12193522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 10/15/2023] Open
Abstract
Food fraud has long been regarded as a major issue within the food industry and is associated with serious economic and public health concerns. Economically motivated adulteration, the most common form of food fraud, has consequences for human health, ranging from mild to life-threatening conditions. Despite the potential harm and public health threats posed by food fraud, limited information on incidents causing illness has been reported. Enhancing the food control system on the Asian continent has become crucial for global health and trade considerations. Food fraud databases serve as valuable tools, assisting both the food industry and regulatory bodies in mitigating the vulnerabilities associated with fraudulent practices. However, the availability of accessible food fraud databases for Asian countries has been restricted. This review highlights detrimental food fraud cases originating in Asian countries, including sibutramine in dietary supplements, plasticizer contamination, gutter oil, and the adulteration of milk. This comprehensive analysis encompasses various facets, such as incident occurrences, adverse health effects, regulatory frameworks, and mitigation strategies.
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Affiliation(s)
- Varongsiri Kemsawasd
- Institute of Nutrition, Mahidol University, 999, Salaya, Phutthamonthon, Nakhon Pathom 73170, Thailand
| | - Vijay Jayasena
- School of Science, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia;
| | - Weeraya Karnpanit
- School of Science, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia;
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4
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Giannetti L, Gallo V, Necci F, Marini F, Giorgi A, Sonego E, D'Onofrio F, Neri B. LC-HRMS analysis of 13 classes of pharmaceutical substances in food supplements. FOOD ADDITIVES & CONTAMINANTS. PART B, SURVEILLANCE 2023; 16:253-265. [PMID: 37287090 DOI: 10.1080/19393210.2023.2214883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 05/14/2023] [Indexed: 06/09/2023]
Abstract
Food supplements should not contain substances considered unsafe or pose a health risk to consumers. In recent years illegal adulterants have been found in various functional foods without notification of their presence or amount in the labelling. In this study, a validated method was developed and applied as a screening method to detect 124 forbidden substances belonging to 13 classes of compounds in food supplements. Liquid chromatography coupled with high-resolution mass spectrometry (LC-HRMS) and a simple and rapid extraction protocol was applied to 110 food supplements collected from the internet market or during official controls in Italy. The percentage of non-compliant samples was 4.5%, relatively high compared with the official control results for these substances usually obtained on other food matrices. The results suggested the need to strengthen controls in this field to detect food supplement adulteration, which represents a potential health risk for the consumer.
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Affiliation(s)
- Luigi Giannetti
- Laboratorio Chimica degli Alimenti, Istituto Zooprofilattico sperimentale del Lazio e della Toscana, Rome, Italy
| | - Valentina Gallo
- Laboratorio Chimica degli Alimenti, Istituto Zooprofilattico sperimentale del Lazio e della Toscana, Rome, Italy
| | - Francesco Necci
- Laboratorio Chimica degli Alimenti, Istituto Zooprofilattico sperimentale del Lazio e della Toscana, Rome, Italy
| | - Francesca Marini
- Laboratorio Chimica degli Alimenti, Istituto Zooprofilattico sperimentale del Lazio e della Toscana, Rome, Italy
| | - Andrea Giorgi
- Laboratorio Chimica degli Alimenti, Istituto Zooprofilattico sperimentale del Lazio e della Toscana, Rome, Italy
| | - Elisa Sonego
- Laboratorio Chimica degli Alimenti, Istituto Zooprofilattico sperimentale del Lazio e della Toscana, Rome, Italy
| | - Francesca D'Onofrio
- Laboratorio Chimica degli Alimenti, Istituto Zooprofilattico sperimentale del Lazio e della Toscana, Rome, Italy
| | - Bruno Neri
- Laboratorio Chimica degli Alimenti, Istituto Zooprofilattico sperimentale del Lazio e della Toscana, Rome, Italy
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5
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Melaré AG, Barreto FC, Silva MKL, Simões RP, Cesarino I. Determination of Fluoxetine in Weight Loss Herbal Medicine Using an Electrochemical Sensor Based on rGO-CuNPs. Molecules 2023; 28:6361. [PMID: 37687190 PMCID: PMC10490002 DOI: 10.3390/molecules28176361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
The rising popularity of herbal medicine as a weight loss remedy, fueled by misleading propaganda, raises concerns about the manufacturing processes and potential inclusion of controlled substances such as fluoxetine (FLU). The objective of this work is to develop and evaluate the performance of an electrochemical device by modifying a glassy carbon electrode (GC) with a nanocomposite based on reduced graphene oxide (rGO) and copper nanoparticles (CuNPs) for detecting FLU in manipulated herbal medicines. Scanning electron microscopy (FEG-SEM) and cyclic voltammetry (CV) were applied for morphological and electrochemical characterization and analysis of the composite's electrochemical behavior. Under optimized conditions, the proposed sensor successfully detected FLU within the range of 0.6 to 1.6 µmol L-1, showing a limit of detection (LOD) of 0.14 µmol L-1. To determine the presence of FLU in herbal samples, known amounts of the analytical standard were added to the sample, and the analyses were performed using the standard addition method, yielding recoveries between -2.13 and 2.0%.
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Affiliation(s)
| | | | | | | | - Ivana Cesarino
- Department of Bioprocess and Biotechnology, School of Agriculture, São Paulo State University, Botucatu 18610-034, SP, Brazil; (A.G.M.); (F.C.B.); (M.K.L.S.); (R.P.S.)
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6
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Wang Q, Bian Y, Zhang Y, Sun DM, Wang WL, Zhou Y, Liu ZF, Feng XS, He ZW. Development of Sampling, Pretreatment and Detection Methods for Ephedrine and Related Substances in Complex Samples. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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7
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Development and Validation of the LC-MS/MS Method for Determination of 130 Natural and Synthetic Cannabinoids in Cannabis Oil. Molecules 2022; 27:molecules27238601. [PMID: 36500694 PMCID: PMC9736437 DOI: 10.3390/molecules27238601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 12/13/2022] Open
Abstract
Dietary supplements are widely available products used by millions of people around the world. Unfortunately, the procedure of adding pharmaceutical and psychoactive substances has recently been observed, in order to increase the effectiveness of supplements in the form of hemp oils. For this reason, it is extremely important to develop analytical methods for the detection of substances prohibited in dietary supplements and food products. In the present study, using the LC-MS/MS technique, an innovative method for the detection and quantification of 117 synthetic cannabinoids and 13 natural cannabinoids in dietary supplements and food products in the form of oils during one 13-min chromatographic run was developed. Each method was fully validated by characterization of the following parameters: The limit of detection was set to 0.1 ng/mL (100 µg/g, 0.01%). The limit of quantification ranged from 0.05 ng/mL to 50 ng/mL. The criteria assumed for systematic error caused by methodological bias (±20%) resulting from the recovery of analytes after the extraction process, as well as the coefficient of variation (CV) (≤20%), were met for all 130 tested compounds. The positive results of the validation confirmed that the developed methods met the requirements related to the adequacy of their application in a given scope. Additionally, methods developed using the LC-MS/MS technique were verified via proficiency tests. The developed analytical procedure was successfully used in the analysis of hemp oils and capsules containing them in the studied dietary supplements.
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Lee JH, Jin Kim S, Seo MK, Ham HJ, Jung EJ, Kim NS, Kim HI, Baek SY. Application of LC-high resolution MS and LC-tandem MS methods to 45 weight loss compounds in health functional food, food and illegal drug. J Sep Sci 2022; 45:2795-2803. [PMID: 35614582 DOI: 10.1002/jssc.202101030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 05/11/2022] [Accepted: 05/19/2022] [Indexed: 11/07/2022]
Abstract
In order to effectively and quickly monitor such illegal food and drugs, simultaneous screening and quantitative analysis for multiple compounds are needed. In this study, we established a method of identifying fragmentation ions of 45 compounds for weight loss using liquid chromatography and high resolution MS, and developed a quantitation method through liquid chromatography and tandem MS. 656 samples selected as health functional food, food, and illegal drug were applied. The detection rate of banned weight loss compounds in health functional food, food, and illegal drug was showed as 19.2%, 27.3%, 40.7%, respectively. Among them, sibutramine, sennoside A and B, ephedrine were most frequently detected in 237 samples that contained weight loss compounds. The detection range about sibutramine was 0.03-159.3mg/g, sennoside was 0.1-97.6mg/g, and ephedrine was 0.1-587.7mg/g in the detected 237 samples. In addition, the unknown compounds not included in our simultaneous analysis method in some samples were identified as furosemide and chlorpheniramine. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Ji Hyun Lee
- Center of Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, 187, Osongsaengmyeong 2-ro, Cheongju, Chungcheongbuk-do, 28159, Republic of Korea
| | - Su Jin Kim
- Center of Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, 187, Osongsaengmyeong 2-ro, Cheongju, Chungcheongbuk-do, 28159, Republic of Korea
| | - Min Kyeong Seo
- Center of Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, 187, Osongsaengmyeong 2-ro, Cheongju, Chungcheongbuk-do, 28159, Republic of Korea
| | - Hyeon Joo Ham
- Center of Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, 187, Osongsaengmyeong 2-ro, Cheongju, Chungcheongbuk-do, 28159, Republic of Korea
| | - Eun Ju Jung
- Center of Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, 187, Osongsaengmyeong 2-ro, Cheongju, Chungcheongbuk-do, 28159, Republic of Korea
| | - Nam Sook Kim
- Center of Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, 187, Osongsaengmyeong 2-ro, Cheongju, Chungcheongbuk-do, 28159, Republic of Korea
| | - Hyung Il Kim
- Center of Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, 187, Osongsaengmyeong 2-ro, Cheongju, Chungcheongbuk-do, 28159, Republic of Korea
| | - Sun Young Baek
- Center of Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, 187, Osongsaengmyeong 2-ro, Cheongju, Chungcheongbuk-do, 28159, Republic of Korea
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9
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Dietary Supplements as Source of Unintentional Doping. BIOMED RESEARCH INTERNATIONAL 2022; 2022:8387271. [PMID: 35496041 PMCID: PMC9054437 DOI: 10.1155/2022/8387271] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 03/24/2022] [Indexed: 01/26/2023]
Abstract
Background The substances used in sport could be divided into two major groups: those banned by the World Anti-Doping Agency and those which are not. The prohibited list is extremely detailed and includes a wide variety of both medicinal and nonmedicinal substances. Professional athletes are exposed to intense physical overload every day. They follow a relevant food regime and take specific dietary supplements, which is essential for the better recovery between trainings and competitions. However, the use of “nonprohibited” dietary supplements (DS) is not always completely safe. One of the risks associated with the use of dietary supplements is the risk of unintended doping—originating from contaminated products. The presence of undeclared compounds in the composition of DS is a serious concern. The aim of this study is to evaluate the risk of unintentional doping. Materials and Methods Literature search was done through PubMed, Science Direct, Google Scholar, and Web of Science. Studies investigating the presence of undeclared compounds, in dietary supplements, banned by WADA met the inclusion criteria. The last search was conducted in June 2021. The present review is based on a total of 50 studies, which investigated the presence of undeclared compounds in DS. Results The total number of analyzed DS is 3132, 875 of which were found to contain undeclared substances. Most frequently found undeclared substances are sibutramine and anabolic-androgenic steroids. Conclusion More than 28% of the analyzed dietary supplements pose a potential risk of unintentional doping. Athletes and their teams need to be aware of the issues associated with the use of DS. They should take great care before inclusion of DS in the supplementation regime.
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10
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Shin D, Kwon J, Kang HS, Suh J, Lee E. The presence of unauthorized ingredients in dietary supplements: an analysis of the risk warning data in Korea. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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11
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Le J, Ji H, Zhou X, Wei X, Chen Y, Fu Y, Ma Y, Han Q, Sun Y, Gao Y, Wu H. Pharmacology, Toxicology, and Metabolism of Sennoside A, A Medicinal Plant-Derived Natural Compound. Front Pharmacol 2021; 12:714586. [PMID: 34764866 PMCID: PMC8576406 DOI: 10.3389/fphar.2021.714586] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 10/11/2021] [Indexed: 12/12/2022] Open
Abstract
Sennoside A (SA) is a natural dianthrone glycoside mainly from medicinal plants of Senna and Rhubarb, and used as a folk traditional irritant laxative and slimming health food. Accumulating evidences suggest that SA possesses numerous pharmacological properties, such as laxative, anti-obesity, hypoglycemic, hepatoprotective, anti-fibrotic, anti-inflammatory, anti-tumor, anti-bacterial, anti-fungal, anti-viral, and anti-neurodegenerative activities. These pharmacological effects lay the foundation for its potential application in treating a variety of diseases. However, numerous published studies suggest that a long-term use of SA in large doses may have some adverse effects, including the occurrence of melanosis coli and carcinogenesis of colon cancer, thereby limiting its clinical use. It remains to be established whether SA or its metabolites are responsible for the pharmacological and toxicity effects. In this review, the latest advances in the pharmacology, toxicology, and metabolism of SA were summarizedbased on its biological characteristics and mechanism.
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Affiliation(s)
- Jiamei Le
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.,Shanghai Key Laboratory of Molecular Imaging, Collaborative Innovation Center for Biomedicine, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Houlin Ji
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.,Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiaoxiao Zhou
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.,Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xindong Wei
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.,Nanjing University of Chinese Medicine Affiliated 81st Hospital, Nanjing, China
| | - Yifan Chen
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.,Shanghai Key Laboratory of Molecular Imaging, Collaborative Innovation Center for Biomedicine, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Yi Fu
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.,Shanghai Key Laboratory of Molecular Imaging, Collaborative Innovation Center for Biomedicine, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Yujie Ma
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.,Shanghai Key Laboratory of Molecular Imaging, Collaborative Innovation Center for Biomedicine, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Qiuqin Han
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.,Shanghai Key Laboratory of Molecular Imaging, Collaborative Innovation Center for Biomedicine, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Yongning Sun
- Department of Cardiology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yueqiu Gao
- Department of Liver Diseases, Central Laboratory, Institute of Clinical Immunology, ShuGuang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Laboratory of Cellular Immunity, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hailong Wu
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.,Shanghai Key Laboratory of Molecular Imaging, Collaborative Innovation Center for Biomedicine, Shanghai University of Medicine and Health Sciences, Shanghai, China
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12
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Hamidi S. Assessment of Undeclared Synthetic Drugs in Dietary Supplements in an Analytical View: A Comprehensive Review. Crit Rev Anal Chem 2021; 53:986-996. [PMID: 34756146 DOI: 10.1080/10408347.2021.1999787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
Dietary supplements have gained widespread attention globally as they are supposed to be healthier than synthetic pharmaceutical compounds with fewer side effects. Unlike common prescription drugs, dietary supplements are readily available to the general public. However, over the past few years, all kinds of legal and illegal drugs, have been detected in dietary supplements without labeling to defraud consumers, resulting in serious public health consequences. Due to the increasing number of drug frauds in dietary supplements, their consumption will undoubtedly risk consumers. Therefore; the importance of high-tech analytical methods in their assessment for controlling food quality seems undeniable. The current review examines the analytical techniques that focus on adulterating health products with undeclared pharmaceuticals, including registered and banned drugs. The present study referred to a survey from 2004 to 2021 based on articles in the Scopus database.
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Affiliation(s)
- Samin Hamidi
- Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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13
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Jeong D, Choe S, Lee S, Kim KM, Pyo J. Metabolic analysis of the illegal analogues of anti-obesity drugs using LC-Q-TOF-MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1163:122502. [PMID: 33412503 DOI: 10.1016/j.jchromb.2020.122502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 12/08/2020] [Accepted: 12/12/2020] [Indexed: 11/17/2022]
Abstract
With an increase in the obese population, the indiscriminate demand for anti-obesity drugs for rapid weight loss or maintenance has grown. As a result, illegal substances that could induce unexpected negative health effects or fatal side effects are being produced and mixed into consumer products. In the present study, the metabolites of five major illegal anti-obesity drugs are analyzed for the first time. Our data can be utilized to identify related compounds and predict their toxicological effects. Didesmethylsibutramine, desmethylsibutramine, homosibutramine, chlorosibutramine, and benzylsibutramine were metabolized in in vitro and in vivo models, and the metabolites were identified using liquid chromatography quadrupole-time of flight mass spectrometry (LC-Q-TOF-MS) and tandem mass spectrometry (LC-Q-TOF-MS/MS). The in vivo metabolite analysis was carried out using urine and feces samples from rats, and the in vitro metabolite analysis was performed by incubating the analogues with human liver microsomes. We found that each sibutramine analogue was metabolized into several constituents: 2 (M1-2), 5 (M1-5), 11 (M1-11), 7 (N1-7), and 5 (O1-5). In conclusion, our metabolic study could be used for toxicological detection of illegal obesity treatments and metabolite identification in forensic cases.
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Affiliation(s)
- Daseul Jeong
- College of Pharmacy, Kyungsung University, Busan 48434, Republic of Korea
| | - Sanggil Choe
- Forensic Toxicology Section, Seoul Institute of National Forensic Service, 139 Jiyangro, Yangcheongu, Seoul 08036, Republic of Korea
| | - Sooyeun Lee
- College of Pharmacy, Keimyung University, 1095 Dalgubeoldaero, Dalseo-gu, Daegu 42601, Republic of Korea
| | - Kang Min Kim
- Department of Pharmaceutical Science and Technology, Kyungsung University, Busan 48434, Republic of Korea.
| | - Jaesung Pyo
- College of Pharmacy, Kyungsung University, Busan 48434, Republic of Korea.
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14
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Freitas JM, Silva PR, Munoz RA, Richter EM. Fast and portable voltammetric method for the determination of the amphetamine adulterant ephedrine in natural over-the-counter weight-loss products. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105757] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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15
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Panja S, Sarkar D, Datta R. Removal of tetracycline and ciprofloxacin from wastewater by vetiver grass (Chrysopogon zizanioides (L.) Roberty) as a function of nutrient concentrations. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:34951-34965. [PMID: 32583104 DOI: 10.1007/s11356-020-09762-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 06/15/2020] [Indexed: 06/11/2023]
Abstract
Antibiotics have been widely used not only for the treatment and prevention of human infectious diseases but also to promote growth and prevent infections in farm animals. These antibiotics enter the environment via wastewater treatment plants, most of which cannot remove them. In addition to antibiotics, nutrients such as nitrogen (N) and phosphorus (P) also create major environmental pollution problems in surface water. Previously, we reported that vetiver grass [Chrysopogon zizanioides (L.) Roberty] successfully removed antibiotics from secondary wastewater effluent. In this study, our objective was to evaluate the potential of vetiver grass to remove two antibiotics, ciprofloxacin (CIP) and tetracycline (TTC), from wastewater in the presence of high N and P. Our results show that vetiver grass significantly (p < 0.05) removed antibiotics (60-94% CIP and 89-100% TTC) and nutrients (78-89% N and 71-97% P) from the secondary wastewater effluent. The removal of antibiotics dropped with increasing nutrient concentrations. The removal efficiency was mainly affected by the presence of N rather than P in the secondary wastewater effluent. The presence of CIP induced more stress on vetiver grass compared to TTC. Vetiver also removed total organic carbon (48-73%) and chemical oxygen demand (73-82%), but their removal was also affected by the nutrient content in the secondary wastewater effluent.
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Affiliation(s)
- Saumik Panja
- Department of Civil, Environmental and Ocean Engineering, Stevens Institute of Technology, Hoboken, NJ, USA
| | - Dibyendu Sarkar
- Department of Civil, Environmental and Ocean Engineering, Stevens Institute of Technology, Hoboken, NJ, USA.
| | - Rupali Datta
- Department of Biological Sciences, Michigan Technological University, Houghton, MI, USA
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16
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Shin D, Kang HS, Kim H, Moon G. Multi-Class Determination of 64 Illicit Compounds in Dietary Supplements Using Liquid Chromatography-Tandem Mass Spectrometry. Molecules 2020; 25:E4399. [PMID: 32987895 PMCID: PMC7583945 DOI: 10.3390/molecules25194399] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/14/2020] [Accepted: 09/17/2020] [Indexed: 11/16/2022] Open
Abstract
In this work, liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed and validated for screening and confirmation of 64 illicit compounds in dietary supplements. The target compounds were illegally used pharmaceutical drugs, prohibited compounds, and not authorized ingredients for different therapeutics (sexual enhancement, weight loss, muscular strengthening, and relaxing products). The validation procedure was performed to evaluate selectivity, linearity, limit of detection (LOD), limit of quantification (LOQ), accuracy, and precision according to the Association of Official Analytical Chemists guidelines. The linearity was >0.98 in the range of 0.5-200 µg L-1. The LOQs were in the range 1-10 µg kg-1 for all target compounds. The accuracy (expressed as recovery) was 78.5-114%. The precision (expressed as the relative standard deviation) was below 9.15%. The developed method was applied for the determination of illicit compounds in dietary supplements collected from websites. As a result, the total detection rate was 13.5% (27 samples detected in 200 samples). The concentrations of detected samples ranged from 0.51 to 226 mg g-1. The proposed methodology is suitable for monitoring the adulteration of illicit compounds in dietary supplements.
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Affiliation(s)
| | - Hui-Seung Kang
- New Hazardous Substances Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Osong, Cheongju 28159, Korea; (D.S.); (H.K.); (G.M.)
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17
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Zhang SW, Sun YY, Sun YM, Wang H, Li ZF, Xu ZL. Visual upconversion nanoparticle-based immunochromatographic assay for the semi-quantitative detection of sibutramine. Anal Bioanal Chem 2020; 412:8135-8144. [PMID: 32914397 DOI: 10.1007/s00216-020-02944-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/17/2020] [Accepted: 09/04/2020] [Indexed: 12/26/2022]
Abstract
Immunochromatographic assay (ICA) has been used widely for the onsite monitoring of illegal additives due to its simplicity, speed, and low cost. However, a scanner is commonly required for ICA to achieve quantitative results. In this work, we developed a visual semi-quantitative ICA for sibutramine, a banned additive in diet foods, without the need for a scanner for measurement. Monoclonal antibodies specific for sibutramine were raised and conjugated with upconversion nanoparticles (UCNPs) as the luminescent tracer. ICA was developed by employing multiple test lines to achieve the semi-quantitative detection of sibutramine. Based on the optimal conditions, the cutoff levels (limit of quantitation, LOQ) of T1 line, T2 line, T3 line, and T4 line were 0.02 μg/mL, 0.15 μg/mL, 1.0 μg/mL, and 7.5 μg/mL, respectively, in buffer system. The ICA demonstrated a LOQ at 0.2 mg/kg for sibutramine in diet food samples. The assay (including pretreatment) can be finished within 30 min without the aid of other instruments, except a laser pen. No false positive or false negative results were observed. The results indicated that the proposed method was reliable, simple, and rapid for the screening of sibutramine abuse in diet food samples.
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Affiliation(s)
- Shi-Wei Zhang
- Guangdong Provincial Key Laboratory of Food Quality and Safety/Guangdong Laboratory of Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, Guangdong, China.,National Nutrition Food Testing Center, Shenzhen Academy of Metrology and Quality Inspection, Shenzhen, 518055, Guangdong, China
| | - Yan-Yan Sun
- Department of Anaesthesiology, Shenzhen University General Hospital, Shenzhen, 518055, Guangdong, China.
| | - Yuan-Ming Sun
- Guangdong Provincial Key Laboratory of Food Quality and Safety/Guangdong Laboratory of Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, Guangdong, China
| | - Hong Wang
- Guangdong Provincial Key Laboratory of Food Quality and Safety/Guangdong Laboratory of Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, Guangdong, China
| | - Zhen-Feng Li
- Department of Entomology and Nematology and UCD Comprehensive Cancer Center, University of California Davis, Davis, CA, 95616, USA
| | - Zhen-Lin Xu
- Guangdong Provincial Key Laboratory of Food Quality and Safety/Guangdong Laboratory of Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, Guangdong, China.
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18
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Borges CS, Silva PV, Lozano AFQ, Missassi G, Silva RF, Anselmo-Franci JA, Kempinas WG. Impact of timing of the anorexigen sibutramine administration on reproductive end-points of male rats. Basic Clin Pharmacol Toxicol 2020; 127:525-532. [PMID: 32632976 DOI: 10.1111/bcpt.13467] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 06/30/2020] [Indexed: 11/28/2022]
Abstract
Sibutramine is a non-selective serotonin-norepinephrine reuptake inhibitor orally administered for weight loss. In a previous study, we showed pharmacological mechanisms involved in the reduction of sperm quality and fertility of rats exposed for 30 days to this anorexigen in the light phase of the light-dark (l/d) cycle. It is already known that rodents are nightlife animals, with higher metabolic activity during the dark phase than in the light phase of the light-dark (l/d) cycle. Thus, the present study aimed to investigate whether the deleterious effects on reproductive parameters after sibutramine administration would be enhanced after a shorter period of exposure during the dark phase of the l/d cycle. For this, adult male Wistar rats were treated with sibutramine (10 mg/kg/d) or vehicle for 15 days during the dark phase of the l/d cycle. Sibutramine treatment decreased final body and reproductive organ weights, as well as serum testosterone levels. Sperm transit time through the epididymis was accelerated, and sperm concentration and motility were diminished in the sibutramine-exposed rats. The decrease in sperm concentration was also verified in the epididymal histological sections. In conclusion, the deleterious effects of sibutramine on reproductive parameters of male rats were enhanced when the exposure occurred in the dark phase of the l/d cycle, even after a short exposure duration. Our results reinforce the impact of timing on drug therapeutic action.
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Affiliation(s)
- Cibele S Borges
- Department of Structural and Functional Biology, Institute of Biosciences, UNESP - São Paulo State University, Botucatu, Brazil
| | - Patrícia V Silva
- Department of Structural and Functional Biology, Institute of Biosciences, UNESP - São Paulo State University, Botucatu, Brazil
| | - Ana Flávia Q Lozano
- Department of Structural and Functional Biology, Institute of Biosciences, UNESP - São Paulo State University, Botucatu, Brazil
| | - Gabriela Missassi
- Department of Structural and Functional Biology, Institute of Biosciences, UNESP - São Paulo State University, Botucatu, Brazil
| | - Raquel F Silva
- Department of Structural and Functional Biology, Institute of Biosciences, UNESP - São Paulo State University, Botucatu, Brazil
| | - Janete A Anselmo-Franci
- Department of Morphology, Stomatology and Physiology, USP - University of São Paulo, Ribeirão Preto, Brazil
| | - Wilma G Kempinas
- Department of Structural and Functional Biology, Institute of Biosciences, UNESP - São Paulo State University, Botucatu, Brazil
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19
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Muschietti L, Redko F, Ulloa J. Adulterants in selected dietary supplements and their detection methods. Drug Test Anal 2020; 12:861-886. [DOI: 10.1002/dta.2806] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 04/14/2020] [Accepted: 04/15/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Liliana Muschietti
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Cátedra de Farmacognosia, IQUIMEFA (UBA‐CONICET) Buenos Aires Argentina
| | - Flavia Redko
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Cátedra de Farmacognosia, IQUIMEFA (UBA‐CONICET) Buenos Aires Argentina
| | - Jerónimo Ulloa
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Cátedra de Farmacognosia, IQUIMEFA (UBA‐CONICET) Buenos Aires Argentina
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20
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Chemometric Analysis of Low-field 1H NMR Spectra for Unveiling Adulteration of Slimming Dietary Supplements by Pharmaceutical Compounds. Molecules 2020; 25:molecules25051193. [PMID: 32155779 PMCID: PMC7179456 DOI: 10.3390/molecules25051193] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 12/29/2022] Open
Abstract
The recent introduction of compact or low-field (LF) NMR spectrometers that use permanent magnets, giving rise to proton (1H) NMR frequencies between 40 and 80 MHz, have opened up new areas of application. The two main limitations of the technique are its insensitivity and poor spectral resolution. However, this study demonstrates that the chemometric treatment of LF 1H NMR spectral data is suitable for unveiling medicines as adulterants of slimming dietary supplements (DS). To this aim, 66 DS were analyzed with LF 1H NMR after quick and easy sample preparation. A first PLS-DA model built with the LF 1H NMR spectra from forty DS belonging to two classes of weight-loss DS (non-adulterated, and sibutramine or phenolphthalein-adulterated) led to the classification of 13 newly purchased test samples as natural, adulterated or borderline. This classification was further refined when the model was made from the same 40 DS now considered as representing three classes of DS (non-adulterated, sibutramine-adulterated, and phenolphthalein-adulterated). The adulterant (sibutramine or phenolphthalein) was correctly predicted as confirmed by the examination of the 1H NMR spectra. A limitation of the chemometric approach is discussed with the example of two atypical weight-loss DS containing fluoxetine or raspberry ketone.
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21
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E Silva PV, Borges CDS, Rosa JDL, Pacheco TL, Figueiredo TM, Leite GAA, Guerra MT, Anselmo-Franci JA, Klinefelter GR, Kempinas WDG. Effects of isolated or combined exposure to sibutramine and rosuvastatin on reproductive parameters of adult male rats. J Appl Toxicol 2020; 40:947-964. [PMID: 32072669 DOI: 10.1002/jat.3955] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 01/13/2020] [Accepted: 01/26/2020] [Indexed: 01/23/2023]
Abstract
Many obese patients are exposed to hypolipidemic and serotonin-norepinephrine reuptake inhibitor (SNRI) drugs. Statins are one of the most marketed drugs in the world to treat dyslipidemia, while sibutramine, a SNRI drug, is prescribed in some countries to treat obesity and is detected as an additive in many adulterated weight loss supplements marketed worldwide. Previous studies reported adverse effects of isolated exposure to these drugs on male rat reproductive parameters. In the present work, we further investigated male reproductive toxicity of these drugs, administered in isolation or combination in adult rats for a longer period of treatment. Adult male rats (90 days) were treated (gavage) for 70 days with saline and dimethyl sulfoxide (control), sibutramine (10 mg/kg), rosuvastatin (5 mg/kg), or rosuvastatin combined with sibutramine. Sibutramine alone or with rosuvastatin, promoted a reduction in food intake and body weight gain, weight of the epididymis, ventral prostate and seminal vesicle; as well as decreased sperm reserves and transit time through the epididymis; androgen depletion; and increased index of cytoplasmic droplet. The rosuvastatin-treated group showed reduced frequency of ejaculation. Exposure to this drug alone or combined with sibutramine impaired epididymal morphology. Co-exposed rats had altered epididymal morphometry, and seminal vesicle and testis weights. The rats also showed decreased fertility after natural mating and a trend toward a delay in ejaculation, suggesting a small synergistic effect of these drugs. Given the greater reproductive efficiency of rodents, the results obtained in the present study raise concern regarding possible fertility impairment in men taking statins and SNRI drugs.
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Affiliation(s)
- Patrícia Villela E Silva
- Department of Morphology, Institute of Biosciences, São Paulo State University - UNESP, Botucatu, SP, Brazil
| | - Cibele Dos Santos Borges
- Department of Morphology, Institute of Biosciences, São Paulo State University - UNESP, Botucatu, SP, Brazil
| | - Josiane de Lima Rosa
- Department of Morphology, Institute of Biosciences, São Paulo State University - UNESP, Botucatu, SP, Brazil
| | - Tainá Louise Pacheco
- Department of Morphology, Institute of Biosciences, São Paulo State University - UNESP, Botucatu, SP, Brazil
| | - Thamiris Moreira Figueiredo
- Department of Morphology, Institute of Biosciences, São Paulo State University - UNESP, Botucatu, SP, Brazil
| | - Gabriel Adan Araújo Leite
- Graduate Program in Cell and Structural Biology, Institute of Biology, State University of Campinas - UNICAMP, Campinas, SP, Brazil
| | - Marina Trevizan Guerra
- Department of Morphology, Institute of Biosciences, São Paulo State University - UNESP, Botucatu, SP, Brazil
| | - Janete Aparecida Anselmo-Franci
- Department of Morphology, Physiology and Basic Pathology, School of Dentistry of Ribeirão Preto, University of São Paulo - USP, Ribeirão Preto, SP, Brazil
| | - Gary Robert Klinefelter
- Reproductive Toxicity Branch, Toxicity Assessment Division, National Health and Environmental Effects Research Laboratory, Office of Research and Development, US Environmental Protection Agency, North Carolina, USA
| | - Wilma De Grava Kempinas
- Department of Morphology, Institute of Biosciences, São Paulo State University - UNESP, Botucatu, SP, Brazil
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22
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Wu H, Feng F, Jiang X, Hu B, Qiu J, Wang C, Xiang Z. Pharmacokinetic and metabolic profiling studies of sennoside B by UPLC-MS/MS and UPLC-Q-TOF-MS. J Pharm Biomed Anal 2020; 179:112938. [DOI: 10.1016/j.jpba.2019.112938] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 09/09/2019] [Accepted: 10/16/2019] [Indexed: 12/25/2022]
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23
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Ahmad R, Ahmad N, AlHudaithi N, AlHebshi A, Bukhari A. Extraction and UHPLC–DAD detection of undeclared substances in market‐available dietary supplements and slimming products in Eastern region, Saudi Arabia: An application of principal component analysis. Biomed Chromatogr 2019; 34:e4698. [DOI: 10.1002/bmc.4698] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 08/28/2019] [Accepted: 09/09/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Rizwan Ahmad
- Natural Products and Alternative Medicines, College of Clinical PharmacyImam Abdulrahman Bin Faisal University Dammam Saudi Arabia
| | - Niyaz Ahmad
- Department of Pharmaceutics, College of Clinical PharmacyImam Abdulrahman Bin Faisal University Dammam Saudi Arabia
- Department of Pharmaceutical Chemistry, College of Clinical PharmacyImam Abdulrahman Bin Faisal University Dammam Saudi Arabia
| | - Nourah AlHudaithi
- College of Clinical PharmacyImam Abdulrahman Bin Faisal University Dammam Saudi Arabia
| | - Asmaa AlHebshi
- College of Clinical PharmacyImam Abdulrahman Bin Faisal University Dammam Saudi Arabia
| | - Areej Bukhari
- College of Clinical PharmacyImam Abdulrahman Bin Faisal University Dammam Saudi Arabia
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24
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Costa JG, Vidovic B, Saraiva N, do Céu Costa M, Del Favero G, Marko D, Oliveira NG, Fernandes AS. Contaminants: a dark side of food supplements? Free Radic Res 2019; 53:1113-1135. [PMID: 31500469 DOI: 10.1080/10715762.2019.1636045] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Food supplements (FS) are often consumed as one of the strategies to fight ageing-associated pathologies, especially in the case of oxidative stress-related diseases. Despite the popularity of FS, some concerns about their quality and safety have been raised, especially regarding the presence of contaminants. This paper reviews and discusses the occurrence of contaminants in marketed samples of FS in the last two decades, considering both scientific literature and notifications registered on RASFF portal. The most relevant classes of contaminants were included namely metals, toxins, pesticides, dioxins and PCBs, as well as pharmacologically active ingredients. Variable amounts of contaminants were reported in a significant number of commercially available FS. Although the presence of contaminants does not necessarily mean that their levels exceed the regulatory limits or that the FS intake constitutes a risk to human health, it alerts for the need to further monitor FS safety. The evaluation of the risk associated to the consumption of FS, especially in the elderly population, is particularly challenging due to the frequent exposure to multiple toxicants and to different exposure sources, as well as due to possible pre-existing diseases and respective therapeutics. Therefore, improved quality control procedures and monitoring programs should be pursued in order to avoid undesirable products and assure the safety of FS.
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Affiliation(s)
- João Guilherme Costa
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - Bojana Vidovic
- Department of Bromatology, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Nuno Saraiva
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - Maria do Céu Costa
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal.,ASAE/ONRE, National Observatory for Emerging Risks, Lisboa, Portugal
| | - Giorgia Del Favero
- Department of Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, Vienna, Austria
| | - Doris Marko
- Department of Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, Vienna, Austria
| | - Nuno G Oliveira
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal
| | - Ana Sofia Fernandes
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal.,ASAE/ONRE, National Observatory for Emerging Risks, Lisboa, Portugal
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25
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Müller LS, Moreira APL, Muratt DT, Viana C, de Carvalho LM. An Ultra-High Performance Liquid Chromatography-Electrospray Tandem Mass Spectrometric Method for Screening and Simultaneous Determination of Anorexic, Anxiolytic, Antidepressant, Diuretic, Laxative and Stimulant Drugs in Dietary Supplements Marketed for Weight Loss. J Chromatogr Sci 2019; 57:528-540. [PMID: 31209501 DOI: 10.1093/chromsci/bmz025] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Revised: 02/09/2019] [Accepted: 03/05/2019] [Indexed: 11/12/2022]
Abstract
The consumption of dietary supplements is increasing every year all over the world and has been accompanied by an increased frequency of adulteration of these products with synthetic pharmaceuticals. Analytical methods that allow testing for the presence of synthetic drugs in dietary supplements are needed to detect such fraudulent practices. To investigate the adulteration of dietary supplements marketed for weight loss using different commercial appeals, we developed an analytical method using ultra-high-performance liquid chromatography-electrospray tandem mass spectrometry (UHPLC-ESI-MS/MS) for simultaneous determination of 32 drugs, including anorexics, anxiolytics, antidepressants, diuretics, laxatives and stimulants. Separation was accomplished in 19 minutes using a Zorbax SB-C18 column and a gradient elution program with 0.05% formic acid in water/acetonitrile as a mobile phase. Limits of quantification ranged from 0.14 to 3.92 μg L-1, and accuracy ranged from 80.00 to 119.48%. A simple extraction procedure was used in the pretreatment step by dissolving the samples in 100% methanol followed by a 1000 to 10,000-fold dilution in the mobile phase and filtration through a Teflon membrane (0.2 μm). The method was applied to the screening and quantification of the drugs in 108 formulations marketed as food supplements for slimming, weight loss, thermogenics, and supplements for meal replacement. Caffeine and p-synephrine were found as stimulants in 80 samples, listed or not on the label.
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Affiliation(s)
- Larissa Sabo Müller
- Graduate Program in Pharmaceutical Sciences, Federal University of Santa Maria (UFSM), Santa Maria-RS, Brazil
| | - Ana Paula Lançanova Moreira
- Graduate Program in Pharmaceutical Sciences, Federal University of Santa Maria (UFSM), Santa Maria-RS, Brazil
| | - Diana Tomazi Muratt
- Department of Chemistry, Federal University of Santa Maria (UFSM), Santa Maria-RS, Brazil
| | - Carine Viana
- Graduate Program in Pharmaceutical Sciences, Federal University of Santa Maria (UFSM), Santa Maria-RS, Brazil
| | - Leandro Machado de Carvalho
- Graduate Program in Pharmaceutical Sciences, Federal University of Santa Maria (UFSM), Santa Maria-RS, Brazil.,Department of Chemistry, Federal University of Santa Maria (UFSM), Santa Maria-RS, Brazil
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26
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Regulation of microbiota-GLP1 axis by sennoside A in diet-induced obese mice. Acta Pharm Sin B 2019; 9:758-768. [PMID: 31384536 PMCID: PMC6663941 DOI: 10.1016/j.apsb.2019.01.014] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 12/03/2018] [Accepted: 12/11/2018] [Indexed: 12/14/2022] Open
Abstract
Sennoside A (SA) is a bioactive component of Chinese herbal medicines with an activity of irritant laxative, which is often used in the treatment of constipation and obesity. However, its activity remains unknown in the regulation of insulin sensitivity. In this study, the impact of SA on insulin sensitivity was tested in high fat diet (HFD)-induced obese mice through dietary supplementation. At a dosage of 30 mg/kg/day, SA improved insulin sensitivity in the mice after 8-week treatment as indicated by HOMA-IR (homeostatic model assessment for insulin resistance) and glucose tolerance test (GTT). SA restored plasma level of glucagon-like peptide 1 (GLP1) by 90% and mRNA expression of Glp1 by 80% in the large intestine of HFD mice. In the mechanism, SA restored the gut microbiota profile, short chain fatty acids (SCFAs), and mucosal structure in the colon. A mitochondrial stress was observed in the enterocytes of HFD mice with ATP elevation, structural damage, and complex dysfunction. The mitochondrial response was induced in enterocytes by the dietary fat as the same responses were induced by palmitic acid in the cell culture. The mitochondrial response was inhibited in HFD mice by SA treatment. These data suggest that SA may restore the function of microbiota–GLP1 axis to improve glucose metabolism in the obese mice.
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27
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Shi Y, Zhong Y, Sun A, Gao B, Sun C, Xiong J. Validation of a rapid and simple high-performance liquid chromatography-electrospray ionization-mass spectrometry method for simultaneous analysis of 15 key chemicals in slimming foods and herbal products. J Chromatogr Sci 2018; 56:912-919. [PMID: 30010836 DOI: 10.1093/chromsci/bmy068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 06/12/2018] [Indexed: 11/12/2022]
Abstract
A rapid and simple high-performance liquid chromatography/electrospray ionization tandem mass spectrometry method was developed for simultaneous analysis of 15 key chemicals in slimming foods and herbal products. These chemicals were strictly restricted adulterants (phenolphthalein, sibutramine, fenfluramine, clopamide, ephedrine, norpseudoephedrine, caffeine and phenformin) and physiologically relevant active components (l-carnitine, nuciferine, aloe-emodin, rhein, emodin, chrysophanol and physcion). In multi-day validations, intra- (n = 5) and inter-day precision (n = 3), limits of detection and limits of quantification for all analytes were 0.60-7.22%, 0.75-9.45%, 0.09-10 μg/L and 0.30-33.3 μg/L, respectively. Mean recovery ranged from 71.4% to 116% for all analytes in three representative samples. The method was validated on 17 samples including 12 kinds of slimming foods and five kinds of herbal products, and was shown to be ideal for routine quantification of 15 key chemicals in slimming foods and herbal products, providing an efficient strategy for quality control and food safety evaluation of weight reducing supplements.
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Affiliation(s)
- Ying Shi
- Healthy Food Evaluation Research Center, West China School of Public Health, Sichuan University, Chengdu, Sichuan, China
| | - Yanqin Zhong
- Healthy Food Evaluation Research Center, West China School of Public Health, Sichuan University, Chengdu, Sichuan, China.,Department of Public Health Laboratory Sciences, Changsha Medical University, Changsha, Hunan, China
| | - Aimin Sun
- Analytical and Testing Center, Sichuan University, Chengdu, Sichuan, China
| | - Bo Gao
- Analytical and Testing Center, Sichuan University, Chengdu, Sichuan, China
| | - Chengjun Sun
- Healthy Food Evaluation Research Center, West China School of Public Health, Sichuan University, Chengdu, Sichuan, China
| | - Jingyuan Xiong
- Healthy Food Evaluation Research Center, West China School of Public Health, Sichuan University, Chengdu, Sichuan, China
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28
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Kim Y, Austin SB, Subramanian SV, Kawachi I. Body weight perception, disordered weight control behaviors, and depressive symptoms among Korean adults: The Korea National Health and Nutrition Examination Survey 2014. PLoS One 2018; 13:e0198841. [PMID: 29902214 PMCID: PMC6002096 DOI: 10.1371/journal.pone.0198841] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 05/25/2018] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND/ PURPOSE Despite emerging evidence suggesting harmful influences of accurate weight perception on psychological health among individuals with obesity, little is known about the association in Asian populations. The aim of this study was investigate the association between body weight perception and depressive symptoms among Korean adults, and potential differential associations across gender. METHODS We used data from the sixth Korea National Health and Nutrition Examination Survey in 2014, comprising 3,318 female (n = 1,876) and male (n = 1,442) participants, aged 19-65 years, with no history of depression and a body-mass index (BMI)> = 18.5kg/m2. Depressive symptoms were measured by the Patient Health Questionnaire-9 Korean version. Weight perception patterns were categorized by comparing self-perceived and objectively measured weight status. Gender-stratified four-level multilevel linear models adjusted for age, BMI, menopause, education, income, marital status, urbanicity, chronic conditions, exercise, smoking, and alcohol use. Subgroup analyses were performed across BMI category. RESULTS Among women with obesity, those who underperceived their weight status reported fewer depressive symptoms compared to those who accurately perceived their weight status (β = -1.25, p<0.05). Among women with normal weight, those who overperceived their weight status reported more depressive symptoms compared to those who accurately perceived their weight status (β = 1.00, p<0.05). The same associations were not found in men. CONCLUSION Awareness-oriented strategies for obesity prevention and weight management focused on providing information on weight status may need to consider unintended consequences of accurate weight perception on mental health among individuals with obesity, particularly among women.
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Affiliation(s)
- Yongjoo Kim
- Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - S. Bryn Austin
- Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
- Division of Adolescent and Young Adult Medicine, Boston Children’s Hospital, Boston, Massachusetts, United States of America
| | - S. V. Subramanian
- Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Ichiro Kawachi
- Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
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Le J, Jia W, Sun Y. Sennoside A protects mitochondrial structure and function to improve high-fat diet-induced hepatic steatosis by targeting VDAC1. Biochem Biophys Res Commun 2018; 500:484-489. [PMID: 29673597 DOI: 10.1016/j.bbrc.2018.04.108] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 04/13/2018] [Indexed: 11/17/2022]
Abstract
Mitochondrial dysfunction is mainly associated with high-fat-diet (HFD)-induced hepatic steatosis. Sennoside A (SA), a commonly used clinical stimulant laxative, is reported to improve energy metabolism and insulin resistance. However, the effect and mechanism of SA on HFD-induced hepatic steatosis remain largely unknown. The aim of this study was to determine the effect and mechanism of SA on HFD-induced hepatic steatosis in mice. We examined the liver and body weight of mice to evaluate the physical changes in the liver. Hematoxylin and eosin (H&E) and oil red O staining were used to detect the lipid accumulation. The mitochondrial structure and function were tested by transmission electron microscopy and the Seahorse XF24 Analyzer. Furthermore, mitochondrial complexes I, II, and IV and voltage-dependent anion channel 1 (VDAC1) protein activity were detected to understand the mechanism of the protective effect on mitochondria. As a result, damage to the structure and function in the hepatic mitochondria of HFD-induced hepatic steatosis was observed in mice. The structural damage was in the form of loss of cristae, mitochondrial swelling, vacuolization and even rupturing of the outer mitochondrial membrane (OMM). Functional alterations were found by activation of complex I and deficiency in complexes II and IV. The VDAC1 activity and the total ATP in the liver tissue was increased under hepatic steatosis conditions. The above effects were reversed by SA. These data suggest that inhibition of VDAC1 may be an underlying mechanism of SA for protecting mitochondria in HFD-induced hepatic steatosis in mice. Thus, VDAC1 may be a promising target for treating fatty liver disease.
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Affiliation(s)
- Jiamei Le
- Department of Traditional Chinese Medicine, Shanghai Sixth People's Hospital Affiliated Shanghai Jiaotong University, Shanghai 200233, China
| | - Weiping Jia
- Diabetes Institute, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Yongning Sun
- Department of Traditional Chinese Medicine, Shanghai Sixth People's Hospital Affiliated Shanghai Jiaotong University, Shanghai 200233, China.
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Greydanus DE, Agana M, Kamboj MK, Shebrain S, Soares N, Eke R, Patel DR. Pediatric obesity: Current concepts. Dis Mon 2018; 64:98-156. [DOI: 10.1016/j.disamonth.2017.12.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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31
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Müller LS, Muratt DT, Molin TRD, Urquhart CG, Viana C, de Carvalho LM. Analysis of Pharmacologic Adulteration in Dietary Supplements by Capillary Zone Electrophoresis Using Simultaneous Contactless Conductivity and UV Detection. Chromatographia 2018. [DOI: 10.1007/s10337-018-3496-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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32
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Akturk HK, Chindris AM, Hines JM, Singh RJ, Bernet VJ. Over-the-Counter "Adrenal Support" Supplements Contain Thyroid and Steroid-Based Adrenal Hormones. Mayo Clin Proc 2018; 93:284-290. [PMID: 29502560 DOI: 10.1016/j.mayocp.2017.10.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 09/29/2017] [Accepted: 10/16/2017] [Indexed: 10/17/2022]
Abstract
OBJECTIVE To assess whether dietary supplements that are herbal and/or animal-derived products, marketed for enhancing metabolism or promoting energy, "adrenal fatigue," or "adrenal support," contain thyroid or steroid hormones. METHODS Twelve dietary adrenal support supplements were purchased. Pregnenolone, androstenedione, 17-hydroxyprogesterone, cortisol, cortisone, dehydroepiandrosterone sulfate, synthetic glucocorticoids (betamethasone, dexamethasone, fludrocortisone, megestrol acetate, methylprednisolone, prednisolone, prednisone, budesonide, and triamcinolone acetonide) levels were measured twice in samples in a blinded fashion. This study was conducted between February 1, 2016, and November 1, 2016. RESULTS Among steroids, pregnenolone was the most common hormone in the samples. Budesonide, 17-hydroxyprogesterone, androstenedione, cortisol, and cortisone were the others in order of prevalence. All the supplements revealed a detectable amount of triiodothyronine (T3) (63-394.9 ng/tablet), 42% contained pregnenolone (66.12-205.2 ng/tablet), 25% contained budesonide (119.5-610 ng/tablet), 17% contained androstenedione (1.27-7.25 ng/tablet), 8% contained 17-OH progesterone (30.09 ng/tablet), 8% contained cortisone (79.66 ng/tablet), and 8% contained cortisol (138.5 ng/tablet). Per label recommended doses daily exposure was up to 1322 ng for T3, 1231.2 ng for pregnenolone, 1276.4 ng for budesonide, 29 ng for androstenedione, 60.18 ng for 17-OH progesterone, 277 ng for cortisol, and 159.32 ng for cortisone. CONCLUSION All the supplements studied contained a small amount of thyroid hormone and most contained at least 1 steroid hormone. This is the first study that measured thyroid and steroid hormones in over-the-counter dietary "adrenal support" supplements in the United States. These results may highlight potential risks of hidden ingredients in unregulated supplements.
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Affiliation(s)
| | | | | | | | - Victor J Bernet
- Department of Endocrinology, Mayo Clinic, Jacksonville, FL; American Thyroid Association, Falls Church, VA Dr Akturk is now with the University of Colorado, Barbara Davis Center for Diabetes, Aurora, CO
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Cheng Q, Shou L, Chen C, Shi S, Zhou M. Application of ultra-high-performance liquid chromatography coupled with LTQ-Orbitrap mass spectrometry for identification, confirmation and quantitation of illegal adulterated weight-loss drugs in plant dietary supplements. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1064:92-99. [DOI: 10.1016/j.jchromb.2017.09.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 09/01/2017] [Accepted: 09/07/2017] [Indexed: 01/16/2023]
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Zhang J, Zhang Y, Wang Y. Validated quantification method for five ephedrines in dietary supplements using LC–MS/MS: Application to 503 cases. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1039:1-7. [DOI: 10.1016/j.jchromb.2016.11.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 10/24/2016] [Accepted: 11/05/2016] [Indexed: 11/24/2022]
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Lydecker AG, Sharma A, McCurdy CR, Avery BA, Babu KM, Boyer EW. Suspected Adulteration of Commercial Kratom Products with 7-Hydroxymitragynine. J Med Toxicol 2016; 12:341-349. [PMID: 27752985 DOI: 10.1007/s13181-016-0588-y] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 09/14/2016] [Accepted: 09/19/2016] [Indexed: 12/17/2022] Open
Abstract
INTRODUCTION Kratom (Mitragyna speciosa), a plant native to Southeast Asia, has been used for centuries for its stimulant and opium-like effects. Mitragynine and 7-hydroxymitragynine, exclusive to M. speciosa, are the alkaloids primary responsible for Kratom's biologic and psychoactive profile, and likely contribute to its problematic use. We purchased several commercially available Kratom analogs for analysis and through our results, present evidence of probable adulteration with the highly potent and addictive plant alkaloid, 7-hydroxymitragynine. METHODS A simple and sensitive LC-MS/MS method was developed for simultaneous quantification of mitragynine and 7-hydroxymitragynine in methanol extract of marketed Kratom supplements. RESULTS We found multiple commercial Kratom products to have concentrations of 7-hydroxymitragynine that are substantially higher than those found in raw M. speciosa leaves. CONCLUSIONS We have found multiple packaged commercial Kratom products likely to contain artificially elevated concentrations of 7-hydroxymitragynine, the alkaloid responsible for M. speciosa's concerning mechanistic and side effect profile. This study describes a unique form of product adulteration, which stresses the importance of increased dietary supplement oversight of Kratom-containing supplements.
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Affiliation(s)
- Alicia G Lydecker
- Division of Medical Toxicology, Department of Emergency Medicine, University of Massachusetts Medical School, 55 Lake Ave North, Worcester, MA, 01655, USA.
| | - Abhisheak Sharma
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, University of Mississippi, 104A Faser Hall, P.O. Box 1848, University, MS, 38677-1848, USA
| | - Christopher R McCurdy
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, 417 Faser Hall, P.O. Box 1848, University, MS, 38677-1848, USA
| | - Bonnie A Avery
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, University of Mississippi, 104A Faser Hall, P.O. Box 1848, University, MS, 38677-1848, USA.,Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, 417 Faser Hall, P.O. Box 1848, University, MS, 38677-1848, USA
| | - Kavita M Babu
- Division of Medical Toxicology, Department of Emergency Medicine, University of Massachusetts Medical School, 55 Lake Ave North, Worcester, MA, 01655, USA
| | - Edward W Boyer
- Division of Medical Toxicology, Department of Emergency Medicine, University of Massachusetts Medical School, 55 Lake Ave North, Worcester, MA, 01655, USA
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36
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Pawar RS, Grundel E. Overview of regulation of dietary supplements in the USA and issues of adulteration with phenethylamines (PEAs). Drug Test Anal 2016; 9:500-517. [DOI: 10.1002/dta.1980] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 03/25/2016] [Accepted: 03/27/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Rahul S. Pawar
- Office of Regulatory Science; Center for Food Safety Applied Nutrition; College Park MD 20740 USA
| | - Erich Grundel
- Office of Regulatory Science; Center for Food Safety Applied Nutrition; College Park MD 20740 USA
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37
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Clustering and diagnostic modelling of slimming aids based on chromatographic and mass spectrometric fingerprints. Drug Test Anal 2016; 9:230-242. [DOI: 10.1002/dta.1964] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 01/23/2016] [Accepted: 01/24/2016] [Indexed: 01/03/2023]
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38
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Hachem R, Assemat G, Martins N, Balayssac S, Gilard V, Martino R, Malet-Martino M. Proton NMR for detection, identification and quantification of adulterants in 160 herbal food supplements marketed for weight loss. J Pharm Biomed Anal 2016; 124:34-47. [PMID: 26928212 DOI: 10.1016/j.jpba.2016.02.022] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 02/16/2016] [Accepted: 02/17/2016] [Indexed: 01/29/2023]
Abstract
One hundred and sixty food supplements (FS) marketed for weight loss and mainly purchased on the Internet were analyzed. All the FS were claimed as 100% natural containing only natural compounds, plant extracts and/or vitamins and the presence of an active pharmaceutical ingredient (API) was never mentioned. (1)H NMR spectroscopy was used for detecting the presence of adulterants and for their identification and quantification. Mass spectrometry was used as a complementary method for supporting their identification. Among the 164 samples considered because capsules from 5 different blisters of the same FS were analyzed, 56% were tainted with six API. Forty three contained sibutramine as single adulterant (26%), 9 phenolphthalein (6%) and 23 a mixture of these API (14%) that were both withdrawn from the market several years ago because of toxicity concerns. Sildenafil was found in 12 samples, either as a single adulterant (n=5) or in combination with sibutramine (n=3), phenolphthalein (n=3) and both sibutramine and phenolphthalein (n=1). Fluoxetine was present in 4 formulations, alone (n=3) or in combination with sibutramine and orlistat (n=1). At last, lorcaserine was detected in one FS. The content of sibutramine per dosage unit was comprised between 0.1 and 22 mg and that of phenolphthalein between 0.05 and 56 mg. The study also highlights poor manufacturing practices as evidenced for instance by the variability of API in capsules from different blisters of the same box. This paper demonstrates the need for more effective quality control of weight loss FS and the efficiency of (1)H NMR spectroscopy for the detection of tainted FS.
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Affiliation(s)
- Rabab Hachem
- Groupe de RMN Biomédicale, Laboratoire SPCMIB (UMR CNRS 5068), Université Paul Sabatier, Université de Toulouse, 118 route de Narbonne, 31062 Toulouse Cedex, France
| | - Gaëtan Assemat
- Groupe de RMN Biomédicale, Laboratoire SPCMIB (UMR CNRS 5068), Université Paul Sabatier, Université de Toulouse, 118 route de Narbonne, 31062 Toulouse Cedex, France
| | - Nathalie Martins
- Service commun de spectrométrie de masse, Université de Toulouse, UPS, 31077 Toulouse Cedex 4, France
| | - Stéphane Balayssac
- Groupe de RMN Biomédicale, Laboratoire SPCMIB (UMR CNRS 5068), Université Paul Sabatier, Université de Toulouse, 118 route de Narbonne, 31062 Toulouse Cedex, France
| | - Véronique Gilard
- Groupe de RMN Biomédicale, Laboratoire SPCMIB (UMR CNRS 5068), Université Paul Sabatier, Université de Toulouse, 118 route de Narbonne, 31062 Toulouse Cedex, France
| | - Robert Martino
- Groupe de RMN Biomédicale, Laboratoire SPCMIB (UMR CNRS 5068), Université Paul Sabatier, Université de Toulouse, 118 route de Narbonne, 31062 Toulouse Cedex, France
| | - Myriam Malet-Martino
- Groupe de RMN Biomédicale, Laboratoire SPCMIB (UMR CNRS 5068), Université Paul Sabatier, Université de Toulouse, 118 route de Narbonne, 31062 Toulouse Cedex, France.
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39
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Miao L, Liu Y, Li H, Qi Y, Lu F. Two-dimensional correlation infrared spectroscopy applied to the identification of ephedrine and pseudoephedrine in illegally adulterated slimming herbal products. Drug Test Anal 2016; 9:221-229. [DOI: 10.1002/dta.1963] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 01/20/2016] [Accepted: 01/21/2016] [Indexed: 12/11/2022]
Affiliation(s)
- Li Miao
- Department of Pharmaceutical Analysis, School of Pharmacy; Second Military Medical University; Shanghai 200433 China
| | - Yan Liu
- Department of Pharmaceutical Analysis, School of Pharmacy; Second Military Medical University; Shanghai 200433 China
| | - Hao Li
- Department of Pharmaceutical Analysis, School of Pharmacy; Second Military Medical University; Shanghai 200433 China
| | - Yunpeng Qi
- Department of Pharmaceutical Analysis, School of Pharmacy; Second Military Medical University; Shanghai 200433 China
| | - Feng Lu
- Department of Pharmaceutical Analysis, School of Pharmacy; Second Military Medical University; Shanghai 200433 China
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40
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Guo Y, Wang J, Lu L, Sun S, Liu Y, Xiao Y, Qin Y, Xiao L, Wen H, Qu L. Application of mid-infrared spectroscopy in analyzing different segmented production of Angelica by AB-8 macroporous resin. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2015.09.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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41
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Hunsel F, Venhuis BJ, Keizers PHJ, Kant A. A ‘natural’ weight loss product containing sibutramine. Drug Test Anal 2015; 8:311-4. [DOI: 10.1002/dta.1925] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 10/22/2015] [Accepted: 10/23/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Florence Hunsel
- Netherlands Pharmacovigilance Centre Lareb Goudsbloemvallei 7 5237 MH ’s‐Hertogenbosch the Netherlands
| | - Bastiaan J. Venhuis
- National Institute for Public Health and the Environment (RIVM)Centre for Health Protection Antonie van Leeuwenhoeklaan 9 3721 MA Bilthoven the Netherlands
| | - Peter H. J. Keizers
- National Institute for Public Health and the Environment (RIVM)Centre for Health Protection Antonie van Leeuwenhoeklaan 9 3721 MA Bilthoven the Netherlands
| | - Agnes Kant
- Netherlands Pharmacovigilance Centre Lareb Goudsbloemvallei 7 5237 MH ’s‐Hertogenbosch the Netherlands
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42
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Rocha T, Amaral JS, Oliveira MBPP. Adulteration of Dietary Supplements by the Illegal Addition of Synthetic Drugs: A Review. Compr Rev Food Sci Food Saf 2015; 15:43-62. [PMID: 33371574 DOI: 10.1111/1541-4337.12173] [Citation(s) in RCA: 121] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 09/02/2015] [Accepted: 09/03/2015] [Indexed: 12/16/2022]
Abstract
In the last few years, the consumption of dietary supplements, especially those having plants as ingredients, has been increasing due to the common idea that they are natural products posing no risks to human health. In the European Union and the United States, dietary supplements are legally considered as foods/special category of foods, thus are not being submitted to any safety assessment prior to their commercialization. Among the issues that can affect safety, adulteration by the illegal addition of pharmaceutical substances or their analogs is of major concern since unscrupulous producers can falsify these products to provide for quick effects and to increase sales. This review discusses the various classes of synthetic drugs most frequently described as being illegally added to dietary supplements marketed for weight loss, muscle building/sport performance and sexual performance enhancement. Information regarding regulation and consumption is also presented. Finally, several conventional and advanced analytical techniques used to detect and identify different adulterants in dietary supplements and therefore also in foods, with particular emphasis on plant food supplements, are critically described. This review demonstrates that dietary supplement adulteration is an emerging food safety problem and that an effective control by food regulatory authorities is needed to safeguard consumers.
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Affiliation(s)
- Tiago Rocha
- REQUIMTE, Dept. of Chemical Sciences, Faculty of Pharmacy, Univ. of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - Joana S Amaral
- REQUIMTE, Dept. of Chemical Sciences, Faculty of Pharmacy, Univ. of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal.,ESTiG, Polytechnic Inst. of Bragança, Campus de Santa Apolónia, 5301-857, Bragança, Portugal
| | - Maria Beatriz P P Oliveira
- REQUIMTE, Dept. of Chemical Sciences, Faculty of Pharmacy, Univ. of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
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Petróczi A, Ocampo JAV, Shah I, Jenkinson C, New R, James RA, Taylor G, Naughton DP. Russian roulette with unlicensed fat-burner drug 2,4-dinitrophenol (DNP): evidence from a multidisciplinary study of the internet, bodybuilding supplements and DNP users. SUBSTANCE ABUSE TREATMENT PREVENTION AND POLICY 2015; 10:39. [PMID: 26466580 PMCID: PMC4607104 DOI: 10.1186/s13011-015-0034-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Accepted: 09/25/2015] [Indexed: 11/12/2022]
Abstract
Background 2,4-Dinitrophenol (DNP) poses serious health-risks to humans. The aims of this three-stage multidisciplinary project were, for the first time, to assess the risks to the general public from fraudulent sale of or adulteration/contamination with DNP; and to investigate motives, reasons and risk-management among DNP-user bodybuilders and avid exercisers. Methods Using multiple search-engines and guidance for Internet research, online retailers and bodybuilding forums/blogs were systematically explored for availability of DNP, advice offered on DNP use and user profiles. Ninety-eight pre-workout and weight-loss supplements were purchased and analysed for DNP using liquid-chromatography-mass-spectrometry. Psychosocial variables were captured in an international sample of 35 DNP users (26.06 ± 6.10 years, 94.3 % male) with an anonymous, semi-qualitative self-reported survey. Results Although an industrial chemical, evidence from the Internet showed that DNP is sold ‘as is’, in capsules or tablets to suit human consumption, and is used ‘uncut’. Analytical results confirmed that DNP is not on the supplement market disguised under fictitious supplement names, but infrequently was present as contaminant in some supplements (14/98) at low concentration (<100mcg/kg). Users make conscious and ‘informed’ decisions about DNP; are well-prepared for the side-effects and show nonchalant attitude toward self-experimentation with DNP. Steps are often taken to ensure that DNP is genuine. Personal experience with performance- and appearance enhancing substances appears to be a gateway to DNP. Advice on DNP and experiences are shared online. The significant discrepancy between the normative perception and the actual visibility suggests that DNP use is-contrary to the Internet accounts-a highly concealed and lonesome activity in real life. Positive experiences with the expected weight-loss prevail over the negative experiences from side effects (all but two users considered using DNP again) and help with using DNP safely is considered preferable over scare-tactics. Conclusion Legislation banning DNP sale for human consumption protects the general public but DNP is sold ‘as is’ and used ‘uncut’ by determined users who are not dissuaded from experimenting with DNP based on health threats. Further research with stakeholders’ active participation is imperative for targeted, proactive public health policies and harm-reduction measures for DNP, and other illicit supplements. Electronic supplementary material The online version of this article (doi:10.1186/s13011-015-0034-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Andrea Petróczi
- Faculty of Science, Engineering and Computing, Kingston University London, Penrhyn Road, Kingston upon Thames, Surrey, KT1 2EE, United Kingdom.
| | - Jorge A Vela Ocampo
- Faculty of Science, Engineering and Computing, Kingston University London, Penrhyn Road, Kingston upon Thames, Surrey, KT1 2EE, United Kingdom.
| | - Iltaf Shah
- Faculty of Science, Engineering and Computing, Kingston University London, Penrhyn Road, Kingston upon Thames, Surrey, KT1 2EE, United Kingdom.
| | | | - Rachael New
- Hampshire County Council-Scientific Services, Hampshire, UK.
| | - Ricky A James
- Faculty of Science, Engineering and Computing, Kingston University London, Penrhyn Road, Kingston upon Thames, Surrey, KT1 2EE, United Kingdom.
| | - Glenn Taylor
- Hampshire County Council-Scientific Services, Hampshire, UK.
| | - Declan P Naughton
- Faculty of Science, Engineering and Computing, Kingston University London, Penrhyn Road, Kingston upon Thames, Surrey, KT1 2EE, United Kingdom.
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Development and validation of UPLC and LC-MS/MS methods for the simultaneous determination of anti-obesity drugs in foods and dietary supplements. Arch Pharm Res 2015; 39:103-14. [DOI: 10.1007/s12272-015-0665-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 09/23/2015] [Indexed: 01/27/2023]
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45
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Zeng Y, Xu Y, Kee C, Low M, Ge X. Analysis of 40 weight loss compounds adulterated in health supplements by liquid chromatography quadrupole linear ion trap mass spectrometry. Drug Test Anal 2015; 8:351-6. [DOI: 10.1002/dta.1846] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 06/24/2015] [Accepted: 07/01/2015] [Indexed: 01/19/2023]
Affiliation(s)
- Yun Zeng
- Pharmaceutical Laboratory, Applied Sciences GroupHealth Sciences Authority 11 Outram Road Singapore 169078 Malaysia
| | - Yimin Xu
- Pharmaceutical Laboratory, Applied Sciences GroupHealth Sciences Authority 11 Outram Road Singapore 169078 Malaysia
| | - Chee‐Leong Kee
- Pharmaceutical Laboratory, Applied Sciences GroupHealth Sciences Authority 11 Outram Road Singapore 169078 Malaysia
| | - Min‐Yong Low
- Pharmaceutical Laboratory, Applied Sciences GroupHealth Sciences Authority 11 Outram Road Singapore 169078 Malaysia
| | - Xiaowei Ge
- Pharmaceutical Laboratory, Applied Sciences GroupHealth Sciences Authority 11 Outram Road Singapore 169078 Malaysia
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Herbal weight loss pill overdose: sibutramine hidden in pepper pill. Case Rep Emerg Med 2015; 2015:213874. [PMID: 25861489 PMCID: PMC4377432 DOI: 10.1155/2015/213874] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Accepted: 02/27/2015] [Indexed: 11/18/2022] Open
Abstract
Supposedly herbal weight loss pills are sold online and are widely used in the world. Some of these products are found to contain sibutramine by FDA and their sale is prohibited. We report a case of a female patient who presented to the emergency department after taking slimming pills. 17-year-old female patient presented to the emergency room with palpitations, dizziness, anxiety, and insomnia. She stated that she had taken 3 pills named La Jiao Shou Shen for slimming purposes during the day. Her vital signs revealed tachycardia. On her physical examination, she was restless, her oropharynx was dry, her pupils were mydriatic, and no other pathological findings were found. Sibutramine intoxication was suspected. She was given 5 mg IV diazepam for restlessness. After supportive therapy and observation in emergency department for 12 hours there were no complications and the patient was discharged home. Some herbal pills that are sold online for weight loss have sibutramine hidden as an active ingredient, and their sale is prohibited for this reason. For people who use herbal weight loss drugs, sibutramine excessive intake should be kept in mind at all times.
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Strano-Rossi S, Odoardi S, Castrignanò E, Serpelloni G, Chiarotti M. Liquid chromatography–high resolution mass spectrometry (LC–HRMS) determination of stimulants, anorectic drugs and phosphodiesterase 5 inhibitors (PDE5I) in food supplements. J Pharm Biomed Anal 2015; 106:144-52. [DOI: 10.1016/j.jpba.2014.06.011] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Revised: 06/06/2014] [Accepted: 06/07/2014] [Indexed: 11/29/2022]
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48
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Rooney JS, McDowell A, Strachan CJ, Gordon KC. Evaluation of vibrational spectroscopic methods to identify and quantify multiple adulterants in herbal medicines. Talanta 2015; 138:77-85. [PMID: 25863375 DOI: 10.1016/j.talanta.2015.02.016] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2014] [Revised: 02/06/2015] [Accepted: 02/09/2015] [Indexed: 12/27/2022]
Abstract
To counter the growth of herbal medicines adulterated with pharmaceuticals crossing borders, rapid, inexpensive and non-destructive analytical techniques, that can handle complex matrices, are required. Since mid-infrared (MIR), near infrared (NIR) and Raman spectroscopic techniques meet these criteria, their performance in identifying adulterants in seized weightloss herbal medicines is definitively determined. Initially a validated high pressure liquid chromatography methodology was used for reference identification and quantification of the adulterants sibutramine H2O·HCl, fenfluramine HCl and phenolphthalein. Of 38 products, only sibutramine and phenolphthalein were detected by HPLC. The spectroscopic measurements showed Raman was ill-suited due to sample burning and emission while NIR lacked adulterant selectivity. Conversely, MIR demonstrated apt identification performance, which manifested as spectrally meaningful separation based on the presence and type of adulterant during principal component analysis (test set validated). Partial least squares regression models were constructed from the MIR training sets for sibutramine and phenolphthalein - both models fitted the training set data well. Average test set prediction errors were 0.8% for sibutramine and 2.2% for phenolphthalein over the respective concentration ranges of 1.7-11.7% and 0.9-34.4%. MIR is apposite for the screening of anorectic and laxative adulterants and is the most viable technique for wider adulterant screening in herbal medicines.
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Affiliation(s)
- Jeremy S Rooney
- Department of Chemistry, MacDiarmid Institute, Dodd-Walls Centre, University of Otago, Dunedin 9016, New Zealand
| | - Arlene McDowell
- School of Pharmacy, University of Otago, Dunedin 9016, New Zealand
| | - Clare J Strachan
- School of Pharmacy, University of Otago, Dunedin 9016, New Zealand; Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, 00790 Helsinki, Finland
| | - Keith C Gordon
- Department of Chemistry, MacDiarmid Institute, Dodd-Walls Centre, University of Otago, Dunedin 9016, New Zealand.
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49
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Detection of sibutramine in adulterated dietary supplements using attenuated total reflectance-infrared spectroscopy. J Pharm Biomed Anal 2014; 100:279-283. [DOI: 10.1016/j.jpba.2014.08.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 07/24/2014] [Accepted: 08/06/2014] [Indexed: 11/19/2022]
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50
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Mass spectrometric analysis of pharmaceutical adulterants in products labeled as botanical dietary supplements or herbal remedies: a review. Anal Bioanal Chem 2014; 406:6767-90. [PMID: 25270866 DOI: 10.1007/s00216-014-8159-z] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Revised: 08/30/2014] [Accepted: 09/02/2014] [Indexed: 01/26/2023]
Abstract
The increased availability and use of botanical dietary supplements and herbal remedies among consumers has been accompanied by an increased frequency of adulteration of these products with synthetic pharmaceuticals. Unscrupulous producers may add drugs and analogues of various classes, such as phosphodiesterase type 5 (PDE-5) inhibitors, weight loss, hypoglycemic, antihypertensive and anti-inflammatory agents, or anabolic steroids, to develop or intensify biological effects of dietary supplements or herbal remedies. The presence of such adulterated products in the marketplace is a worldwide problem and their consumption poses health risks to consumers. Analytical methods that allow rapid and reliable testing of dietary supplements for the presence of synthetic drugs are needed to address such fraudulent practices. Mass spectrometry (MS) and hyphenated techniques such as liquid chromatography-mass spectrometry (LC-MS) and gas chromatography-mass spectrometry (GC-MS) have become primary tools in this endeavor. The present review critically assesses the role and summarizes the applications of MS in the analysis of pharmaceutical adulterants in botanical dietary supplements and herbal remedies. The uses of MS techniques in detection, confirmation, and quantification of known pharmaceutical adulterants as well as in screening for and structure elucidation of unexpected adulterants and novel designer drugs are discussed.
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