Citation: ZHANG Mei-Juan, CHEN Jia, LIN Ying, ZHANG Ya-Jiao, GUO Lei, XU Bin, XIE Jian-Wei. Identification of Unknown Toxicants in Food Poisoning by High Resolution Mass Spectrometry-Data Independent Acquisition-Post Targeted Screening Strategy[J]. Chinese Journal of Analytical Chemistry, ;2018, 46(2): 157-164. doi: 10.11895/j.issn.0253-3820.171139 shu

Identification of Unknown Toxicants in Food Poisoning by High Resolution Mass Spectrometry-Data Independent Acquisition-Post Targeted Screening Strategy

Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China

Received Date: 3 August 2017
Revised Date: 26 September 2017

Based on ultra-high-performance liquid chromatography-quadrupole/time of flight mass spectrometry (UPLC-Q-TOF MS/MS), a post targeted screening strategy using high resolution mass spectrometry under data independent acquisition was established, and successfully applied to screen and identify unknown toxicants in food poisoning patients' vomit and feces. After solvent extraction, the samples were separated and analyzed on a reversed-phase C₁₈ column using a gradient elution program of 5 mmol/L ammonium formate and 0.1% formic acid aqueous solution (A) and 0.1% formic acid in acetonitrile solution (B). All-ions MS/MS information of samples was obtained using Q-TOF MS (ESI+) in MSE mode, followed by peak recognition and library searching using the UNIFI Scientific Information System, as a result, suspected toxic compound α-solanine was primarily detected. Furthermore, the related chemicals including hydrolysates and metabolites were identified in both samples based on post-targeted screening strategy, such as α-chaconine, β-chaconine, γ-solanine/chaconine and solanidine. The concentration of α-solanine in both samples was approximately 0.1 mg/kg by one-point calibration method, the total amount of solanine analogues in two samples was about 0.5 mg/kg and 0.6 mg/kg respectively through normalization of peak area. The high resolution mass spectrometry screening strategy established here could provide efficient screening method for rapid detection and identification of toxicants in unknown food poisoning.
1. [1]
2. [2]
3. [3]
4. [4]
5. [5]
6. [6]
7. [7]
8. [8]
9. [9]
10. [10]
11. [11]
12. [12]
13. [13]
14. [14]
15. [15]
16. [16]
17. [17]
18. [18]
19. [19]
20. [20]
21. [21]
22. [22]
23. [23]
24. [24]
25. [25]
26. [26]
27. [27]
28. [28]
1. [1]
  Yanhui Zhong , Ran Wang , Zian Lin . Analysis of Halogenated Quinone Compounds in Environmental Water by Dispersive Solid-Phase Extraction with Liquid Chromatography-Triple Quadrupole Mass Spectrometry. University Chemistry, 2024, 39(11): 296-303. doi: 10.12461/PKU.DXHX202402017
2. [2]
  Wei Li , Jinfan Xu , Yongjun Zhang , Ying Guan . 共价有机框架整体材料的制备及食品安全非靶向筛查应用——推荐一个仪器分析综合化学实验. University Chemistry, 2025, 40(6): 276-285. doi: 10.12461/PKU.DXHX202406013
3. [3]
  Lina Feng , Guoyu Jiang , Xiaoxia Jian , Jianguo Wang . Application of Organic Radical Materials in Biomedicine. University Chemistry, 2025, 40(4): 253-260. doi: 10.12461/PKU.DXHX202405171
4. [4]
  Zian Lin , Yingxue Jin . Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry (MALDI-MS) for Disease Marker Screening and Identification: A Comprehensive Experiment Teaching Reform in Instrumental Analysis. University Chemistry, 2024, 39(11): 327-334. doi: 10.12461/PKU.DXHX202403066
5. [5]
  Hao Wu , Zhen Liu , Dachang Bai . ¹H NMR Spectrum of Amide Compounds. University Chemistry, 2024, 39(3): 231-238. doi: 10.3866/PKU.DXHX202309020
6. [6]
  Zufeng Qiu , Jie Ouyang , Yiru Wang , Hengting Yang , Xin Liao , Chi Zhang , Xuanyao Jiang , Shunliu Deng , Zhiwei Lin . 综合运用分析仪器解析“盲盒”样品——未知物的剖析. University Chemistry, 2025, 40(6): 296-302. doi: 10.12461/PKU.DXHX202405167
7. [7]
  Qiaoqiao BAI , Anqi ZHOU , Xiaowei LI , Tang LIU , Song LIU . Construction of pressure-temperature dual-functional flexible sensors and applications in biomedicine. Chinese Journal of Inorganic Chemistry, 2024, 40(12): 2259-2274. doi: 10.11862/CJIC.20240128
8. [8]
  Qianlang Wang , Jijun Sun , Qian Chen , Quanqin Zhao , Baojuan Xi . The Appeal of Organophosphorus Compounds: Clearing Their Name. University Chemistry, 2025, 40(4): 299-306. doi: 10.12461/PKU.DXHX202405205
9. [9]
  Zhuoming Liang , Ming Chen , Zhiwen Zheng , Kai Chen . Multidimensional Studies on Ketone-Enol Tautomerism of 1,3-Diketones By ¹H NMR. University Chemistry, 2024, 39(7): 361-367. doi: 10.3866/PKU.DXHX202311029
10. [10]
  Ying Xiong , Guangao Yu , Lin Wu , Qingwen Liu , Houjin Li , Shuanglian Cai , Zhanxiang Liu , Xingwen Sun , Yuan Zheng , Jie Han , Xin Du , Chengshan Yuan , Qihan Zhang , Jianrong Zhang , Shuyong Zhang . Basic Operations and Specification Suggestions for Determination of Physical Constants of Organic Compounds. University Chemistry, 2025, 40(5): 106-121. doi: 10.12461/PKU.DXHX202503079
11. [11]
  Yongjian Zhang , Fangling Gao , Hong Yan , Keyin Ye . Electrochemical Transformation of Organosulfur Compounds. University Chemistry, 2025, 40(5): 311-317. doi: 10.12461/PKU.DXHX202407035
12. [12]
  Jiaming Xu , Yu Xiang , Weisheng Lin , Zhiwei Miao . Research Progress in the Synthesis of Cyclic Organic Compounds Using Bimetallic Relay Catalytic Strategies. University Chemistry, 2024, 39(3): 239-257. doi: 10.3866/PKU.DXHX202309093
13. [13]
  Aidang Lu , Yunting Liu , Yanjun Jiang . Comprehensive Organic Chemistry Experiment: Synthesis and Characterization of Triazolopyrimidine Compounds. University Chemistry, 2024, 39(8): 241-246. doi: 10.3866/PKU.DXHX202401029
14. [14]
  Xilin Zhao , Xingyu Tu , Zongxuan Li , Rui Dong , Bo Jiang , Zhiwei Miao . Research Progress in Enantioselective Synthesis of Axial Chiral Compounds. University Chemistry, 2024, 39(11): 158-173. doi: 10.12461/PKU.DXHX202403106
15. [15]
  Junjie Zhang , Yue Wang , Qiuhan Wu , Ruquan Shen , Han Liu , Xinhua Duan . Preparation and Selective Separation of Lightweight Magnetic Molecularly Imprinted Polymers for Trace Tetracycline Detection in Milk. University Chemistry, 2024, 39(5): 251-257. doi: 10.3866/PKU.DXHX202311084
16. [16]
  Mingyang Men , Jinghua Wu , Gaozhan Liu , Jing Zhang , Nini Zhang , Xiayin Yao . 液相法制备硫化物固体电解质及其在全固态锂电池中的应用. Acta Physico-Chimica Sinica, 2025, 41(1): 2309019-. doi: 10.3866/PKU.WHXB202309019
17. [17]
  Feng Han , Fuxian Wan , Ying Li , Congcong Zhang , Yuanhong Zhang , Chengxia Miao . Comprehensive Organic Chemistry Experiment: Phosphotungstic Acid-Catalyzed Direct Conversion of Triphenylmethanol for the Synthesis of Oxime Ethers. University Chemistry, 2025, 40(3): 342-348. doi: 10.12461/PKU.DXHX202405181
18. [18]
  Siwen Yuan , Qilin Wu , TianpengYin . NMR Spectroscopy Teaching Design Using the Mosher Method for Stereochemistry of Organic Compounds Based on BOPPPS Teaching Model. University Chemistry, 2025, 40(7): 161-168. doi: 10.12461/PKU.DXHX202502073
19. [19]
  Chi Li , Jichao Wan , Qiyu Long , Hui Lv , Ying Xiong . N-Heterocyclic Carbene (NHC)-Catalyzed Amidation of Aldehydes with Nitroso Compounds. University Chemistry, 2024, 39(5): 388-395. doi: 10.3866/PKU.DXHX202312016
20. [20]
  Nan Xiao , Fang Sun . 二芳基硫醚化合物的构建及应用. University Chemistry, 2025, 40(6): 360-363. doi: 10.12461/PKU.DXHX202407099

Get Citation

PDF

XML

Metrics

PDF Downloads(15)
Abstract views(1717)
HTML views(157)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142