Journal
FOOD CHEMISTRY
Volume 376, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.131948
Keywords
Magnetic porous carbon; Banana peel; Bisphenols; HPLC-Q-Orbitrap-HRMS
Funding
- science and technology project of Guangzhou market supervision and administration Bureau [2020kj03]
- Guangdong province key research and development project [2019B020208008]
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Functionalized magnetic nanoporous carbon derived from banana peel was successfully synthesized and used for the enrichment of six bisphenols from beverage and water samples, with enrichment factors of 74-112 for water samples and 15-22 for beverage samples after process optimization. HPLC-Q Orbitrap-HRMS was utilized for the separation and determination of the target analytes, showing extraction recoveries in the range of 71.9-108.4% and reliable method for the determination of BPs in water and beverage samples.
Functionalized magnetic nanoporous carbon derived from banana peel was synthesized through carbonization, porogenesis, carboxylation and magnetization using banana peel and was successfully used as a magnetic solid phase extraction (MSPE) material for the enrichment of six bisphenols (BPs) from beverage and water samples. After the optimization of MSPE process, the enrichment factors of six target analytes were in the range of 74-112 for water samples, and 15-22 for beverage samples. Then, high-performance liquid chromatography-quadrupole-Orbitrap high-resolution mass spectrometry (HPLC-Q Orbitrap-HRMS) was used for the separation and determination of the target analytes. Results showed that the extraction recoveries for 6 BPs were in the range of 71.9-108.4% with an RSD of 2.5-7.5% (n = 6). These results demonstrated that the as-prepared material could efficiently enrich some aromatic compounds and the proposed method is reliable and robust for the determination of BPs in water and beverage samples.
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