Article (Scientific journals)
LMOF serve as food preservative nanosensor for sensitive detection of nitrite in meat products
Deng, Siyang; Liu, Huan; Zhang, Chunhui et al.
2022In LWT - Food Science and Technology, 169, p. 114030
Peer reviewed
 

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Keywords :
Luminescent metal organic framework; Meat products; Nitrite; Rhodamine 6G; Detection methods; Food-safety; Human being; Luminescent metal-organic frameworks; Nitrite detections; One-pot synthesis; Sensitive detection; Turn offs; Food Science
Abstract :
[en] Nitrite (NO2−) is widely present in meat products as a vital food preservative, while excessive nitrite is a serious carcinogen to human beings, developing a sensitive and selective nitrite detection method is of great significance for food safety. Herein, a novel luminescent metal organic framework (LMOF) (Rh6G@MOF-5) is prepared through a facile one-pot synthesis as a fluorescent turn-off sensor for NO2− determination. Upon exposure to NO2−, significant fluorescence intensity decreases linearly along with NO2−concentration in the range of 0–200 μmol/L and the detection limit is estimated to be 0.2 μmol/L. The developed nanocomposite has been shown to be an ultrasensitive and selective nanoprobe for detecting NO2− in meat products, with recoveries ranging from 96.1% to 103.2% with the RSDs less than 4%. Rh6G@MOF-5 nanoprobe offers insight into the fabrication of MOF-based sensors with low cost and convenient operation in analyte detection field.
Disciplines :
Food science
Author, co-author :
Deng, Siyang  ;  Université de Liège - ULiège > TERRA Research Centre ; Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China
Liu, Huan;  Research Center for Information Technology, Beijing Academy of Agricultural and Forestry Sciences, Beijing, China ; National Engineering Research Center for Information Technology in Agriculture, Beijing, China
Zhang, Chunhui ;  Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China
Yang, Xinting;  Research Center for Information Technology, Beijing Academy of Agricultural and Forestry Sciences, Beijing, China ; National Engineering Research Center for Information Technology in Agriculture, Beijing, China
Blecker, Christophe ;  Université de Liège - ULiège > TERRA Research Centre > Technologie Alimentaire (TA)
Language :
English
Title :
LMOF serve as food preservative nanosensor for sensitive detection of nitrite in meat products
Publication date :
November 2022
Journal title :
LWT - Food Science and Technology
ISSN :
0023-6438
Publisher :
Academic Press
Volume :
169
Pages :
114030
Peer reviewed :
Peer reviewed
Funding text :
This project was supported by a research grant from Special Fund of National Key R&D Program of China (grant no. 2021YFD2100103 ), Key scientific and technological projects of Xinjiang production and Construction Corps (grant no. 2020AB012 ) and the National Natural Science Foundation of China ( 32001775 ).
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since 21 December 2023

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