Document Detail


Trace detection of the chlorohydrins of epoxidized soybean oil in foodstuffs by UPLC-ESI-MS/MS.
MedLine Citation:
PMID:  20814904     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Epoxidized soybean oil (ESBO) is used as an authorized plasticizer and a stabilizer for plastic polymers such as poly(vinyl chloride) (PVC). Recently, however, there has been a concrete effort devoted to its substitution for other plasticizers such as polyadipates. ESBO is exploited particularly in food closure gaskets for metal lids used to seal glass jars and bottles. The closure gaskets form an airtight seal necessary to prevent microbiological contamination. Thus, there are potential uses for food sterilization and storage. Additionally, the main pathway of PVC degradation involves the elimination of HCl, which can react with the epoxy groups of ESBO to give mono-, polychlorohydrins and/or other cyclic derivatives. The European Food Safety Authority noted that not enough analytical and toxicological data exist to express a formal opinion on the significance for the health effects of such derivatives. At present in the scientific literature, there are only a few indicative results of direct measurements of ESBO derivatives and there are no official analytical methods available for the determination of chlorohydrins directly from foodstuffs. This study presents the first example of the analysis of commercial food sauces for the detection of ESBO-chlorohydrins (as methyl esters). The results are obtained by a dedicated development of an ultraperformance liquid chromatography-electrospray ionization-tandem mass spectrometry (UPLC-ESI-MS/MS) method. Sample preparation was based on the following main steps: organic extraction, transesterification and solid-phase extraction clean up. In particular, four isomers for 18-E-OHCl chlorohydrin and eight isomers for 18-2OHCl chlorohydrin were separated and identified. Different food sauces samples closed in glass jars with twist-off caps were subjected to qualitative determination, which yielded positive results for 18-E-OHCl, whereas no traces of 18-2OHCl were found.
Authors:
Michele Suman; Emiliano De Dominicis; Italo Commissati
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of mass spectrometry : JMS     Volume:  45     ISSN:  1096-9888     ISO Abbreviation:  J Mass Spectrom     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-09-23     Completed Date:  2011-01-10     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9504818     Medline TA:  J Mass Spectrom     Country:  England    
Other Details:
Languages:  eng     Pagination:  996-1002     Citation Subset:  IM    
Copyright Information:
2010 John Wiley & Sons, Ltd.
Affiliation:
Barilla SpA, Food Research Labs, via Mantova 166, 43122 Parma, Italy. michele.suman@barilla.com
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MeSH Terms
Descriptor/Qualifier:
Chlorohydrins / analysis*,  chemistry,  isolation & purification
Chromatography, High Pressure Liquid / methods*
Food Analysis / methods*
Food Packaging
Soybean Oil / chemistry*
Spectrometry, Mass, Electrospray Ionization / methods*
Tandem Mass Spectrometry / methods
Chemical
Reg. No./Substance:
0/Chlorohydrins; 0/epoxidized soybean oil; 8001-22-7/Soybean Oil

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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