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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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Li X, Chen X, Wu X, Wang J, Liu Z, Sun Y, Shen X, Lei H. Rapid detection of adulteration of dehydroepiandrosterone in slimming products by competitive indirect enzyme-linked immunosorbent assay and lateral flow immunochromatography. FOOD AGR IMMUNOL 2019. [DOI: 10.1080/09540105.2018.1550057] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
- Xiangmei Li
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, People’s Republic of China
| | - Xiaomin Chen
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, People’s Republic of China
| | - Xinze Wu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, People’s Republic of China
| | - Jin Wang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, People’s Republic of China
| | - Zhiwei Liu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, People’s Republic of China
| | - Yuanming Sun
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, People’s Republic of China
| | - Xing Shen
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, People’s Republic of China
| | - Hongtao Lei
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, People’s Republic of China
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Wang L, Zhang J, Cui D, Wang X, Yang Z, Zhang K, Qin Z, Meng J, Hao G, Li J. A Monoclonal Antibody-Based Indirect Competitive Enzyme-Linked Immunosorbent Assay for the Determination of Olaquindox in Animal Feed. ANAL LETT 2014. [DOI: 10.1080/00032719.2013.862627] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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4
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Multi-walled carbon nanotubes–dispersive solid-phase extraction combined with liquid chromatography–tandem mass spectrometry for the analysis of 18 sulfonamides in pork. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 929:107-15. [DOI: 10.1016/j.jchromb.2013.04.014] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Revised: 04/10/2013] [Accepted: 04/14/2013] [Indexed: 11/22/2022]
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6
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Le T, Zhao Z, Wei W, Bi D. Development of a highly sensitive and specific monoclonal antibody-based enzyme-linked immunosorbent assay for determination of doxycycline in chicken muscle, liver and egg. Food Chem 2012; 134:2442-6. [DOI: 10.1016/j.foodchem.2012.04.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2011] [Revised: 08/16/2011] [Accepted: 04/07/2012] [Indexed: 11/24/2022]
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