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author:

Wu, Fangling (Wu, Fangling.) [1] | Xu, Chongsheng (Xu, Chongsheng.) [2] | Jiang, Nan (Jiang, Nan.) [3] | Wang, Jiabin (Wang, Jiabin.) [4] | Ding, Chuan-Fan (Ding, Chuan-Fan.) [5]

Indexed by:

EI Scopus SCIE

Abstract:

A poly (methacrylic acid-co-divinyl-benzene) [poly (MAA-co-DVB)] monolithic column was specially prepared according to the chemical structures of the three mycotoxins of aflatoxin B1, zearalenone and sterigmatocystin, and used for in-tube solid-phase microextraction (in-tube SPME) of the selected mycotoxins. The poly (MAA-co-DVB) monolithic column was characterized in detail, and exhibited effective hydrophobic, pi-pi, and hydrogen bonding interactions towards the target analytes. By coupling the poly (MAA-co-DVB) monolithic column-based in-tube SPME with high-performance liquid chromatography, a simple, sensitive and matrix effect-free method for determination of mycotoxins was developed. Some important parameters related to extraction efficiency were optimized systematically. Under the optimal conditions, the enrichment factors for the three mycotoxins ranged from 71.9 to 98.7. Recoveries of mycotoxins in rice grains with three spiked concentration levels were in the range of 78.0-102.8%, with satisfactory relative standard deviations (n = 4) of 2.96-4.74%. Good linearity was obtained with correlation coefficients larger than 0.99, and the detection limits (S/N = 3) of the three mycotoxins were between 0.69 and 2.03 mu g kg(-1). The developed poly (MAA-co-DVB) monolithic column based in-tube SPME-HPLC method was successfully used to sensitively determine trace mycotoxins in practical samples of rice grain without interference peaks, indicating that it is promising for the detection of trace mycotoxins in complex grain samples.

Keyword:

Aflatoxin B1 In-tube solid-phase microextraction Poly (methacrylic acid-co-divinyl-benzene) monolithic column Rice grain Sterigmatocystin Zearalenone

Community:

  • [ 1 ] [Wu, Fangling]Fudan Univ, Inst Laser Chem, Dept Chem, Shanghai 200433, Peoples R China
  • [ 2 ] [Xu, Chongsheng]Fudan Univ, Inst Laser Chem, Dept Chem, Shanghai 200433, Peoples R China
  • [ 3 ] [Ding, Chuan-Fan]Fudan Univ, Inst Laser Chem, Dept Chem, Shanghai 200433, Peoples R China
  • [ 4 ] [Jiang, Nan]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Fujian, Peoples R China
  • [ 5 ] [Wang, Jiabin]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Fujian, Peoples R China

Reprint 's Address:

  • 王家斌

    [Ding, Chuan-Fan]Fudan Univ, Inst Laser Chem, Dept Chem, Shanghai 200433, Peoples R China;;[Wang, Jiabin]Fuzhou Univ, Inst Biomed & Pharmaceut Technol, Fuzhou 350002, Fujian, Peoples R China

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Source :

TALANTA

ISSN: 0039-9140

Year: 2018

Volume: 178

Page: 1-8

4 . 9 1 6

JCR@2018

5 . 6 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:209

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 33

SCOPUS Cited Count: 31

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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