Supercritical Fluid Extraction of Potential Migrants from Paper and Board Intended for Use As Food Packaging Materials

Nerı́n, Cristina; Asensio, Esther; Jiménez, Carolina Fernández

doi:10.1021/ac020302e

Cited by 29 publications

(14 citation statements)

References 17 publications

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“…Up to now, various pretreatment techniques have been attempted to extract PAEs from different samples, such as liquid-liquid extraction (LLE) [6,7], solid-phase extraction (SPE) [8][9][10][11][12][13], solid-phase microextraction (SPME) [14][15][16][17][18], liquid-phase microextraction (LPME) [19], LPME method based on the solidification of a floating organic microdrop (LPME-SFO) [20], accelerated solvent extraction (ASE) [21], stir-bar sorptive extraction (SBSE) [22], single-drop microextraction (SDME) [23], dispersive liquid-liquid microextraction (DLLME) [24][25][26], hollow fiber-based liquid-phase microextraction (HF-LPME) [27], polymer monolith microextraction (PMME) [28], supercritical fluid extraction [29], and ultrasound-assisted emulsification-microextraction (USAEME) [30]. Among them, SPE and SPME are the mostly used techniques for environmental analysis.…”

Section: Introductionmentioning

confidence: 99%

Extraction of phthalate esters from water and beverages using a graphene-based magnetic nanocomposite prior to their determination by HPLC

Liu

et al. 2011

Microchim Acta

102

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We have developed a highly sensitive microextraction method for the preconcentration of some phthalate esters such as diethyl phthalate, di-n-propylphthalate, di-nbutyl-phthalate, dicyclohexyl-phthalate, and diethyl-hexyl phthalate prior to their determination by HPLC. It is based on a magnetic graphene nanocomposite as an effective adsorbent. The effects of the amount of the extractant composite employed, extraction time, pH values, salt concentration and desorption conditions were investigated. Under the optimum conditions, the enrichment factors range from 1574 to 2880. Response is linear in the concentration range from 0.1 to 50 ng mL −1 . The limits of detection (at S/N03) were between 0.01 and 0.04 ng mL −1 . The method was successfully applied to the determination of five phthalate esters in water and beverage samples.

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Section: Introductionmentioning

confidence: 99%

Extraction of phthalate esters from water and beverages using a graphene-based magnetic nanocomposite prior to their determination by HPLC

Liu

et al. 2011

Microchim Acta

102

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“…3,4 However, most of these compounds are semi-volatile or non-volatile, which means that their likely migration to the food in contact with the P&B in which they could be present mainly takes place either through the vapour phase or through direct contact between the food and the packaging material. [5][6][7][8][9][10][11][12] The migration process between two solids, food and paper, is a slow process, and, consequently, from the point of view of food safety, a lower risk could be expected in short-time contact. 13,14 However, when volatile compounds are involved, the migration is faster and the compounds can reach the food in a very short period.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of a screening method for classifying virgin and recycled paper and board samples

Asensio

Nerı́n

2009

Packag Technol Sci

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This paper deals with the study of volatile compounds released by recycled paper and board. The aim of the study was to demonstrate the feasibility of headspace procedure coupled to gas chromatography/mass spectrometry (GC/MS) applied to complex paper-based samples together with a chemometric procedure as a powerful method for screening potential volatile contaminants released by the recycled and virgin paper samples. Using this procedure, the identifi cation of virgin or recycled paper could be achieved based on the identifi cation on specifi c markers of the recycled pulp. Fifteen different samples within virgin and recycled paper were studied. After equilibration, the vapour phase of the samples was analysed by automatic headspace coupled online to GC/MS. The analytical approach for volatile compounds, their identifi cation and the selection of some compounds as markers for recycled pulp are shown and discussed. A discriminate analysis applied to the set of results obtained allows classifi cation of the samples into four different groups according to the content of recycled pulp (0, 10-30 and > 80% of recycled pulp), the surface treatment of the paper (no surface treatment, clay coating and plastic coating), the grammage (from < 100 to > 300 g/m 2 ) and the sample thickness (from < 300 to > 600 mm). The matrix effect on the volatilization of some compounds from the paper samples and the analytical behaviour are also discussed.

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“…However, current recycling systems cannot remove all potential contaminants efficiently; some may be present in the finished board and thus can potentially migrate into the food. Indeed, diisopropylnaphthalenes such as 2,6-diisopropylnaphthalene (DIPN), phthalates such as dibutylphthalate (DBP), as well as other potentially hazardous chemicals were detected in foods and food packages (Castle et al 1989;Nerin et al 1993Nerin et al , 2002Sturaro et al 1994Sturaro et al , 1995University of Rome 'La Sapienza' 1995;Sipilainen-Malm et al 1997;Aurela et al 1999;Boccacci et al 1999;Petersen and Breindahl 2000;Grob 2002).…”

Section: Introductionmentioning

confidence: 99%

Determination of 2,6-diisopropylnaphthalene (DIPN) andn-dibutylphthalate (DBP) in food and paper packaging materials from US marketplaces

Noonan

Begley

2008

Food Additives & Contaminants: Part A

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A gas chromatography-ion-trap tandem mass spectrometry procedure was developed for the determination of 2,6-diisopropylnaphthalene (DIPN) and n-dibutylphthalate (DBP) in domestic and imported paper packages and food sold in US marketplaces. The procedure involved ultrasonic extraction with dichloromethane, followed by analysis with the gas chromatography-ion-trap tandem mass spectrometry. Calibration curves for DIPN and DBP were achieved with concentrations ranging from 0.01 to 10 microg ml(-1) and the corresponding r(2) values were 0.9976 and 0.9956, respectively. In most of the fortified samples the recoveries were higher than 80% with a relative standard deviation (RSD) <10%. Using this procedure, it was found that less than 20% of the tested domestic packages and more than 60% of the tested imported food packages contained both DIPN and DBP. The concentrations of DIPN and DBP ranged from 0.09 to 20 mg kg(-1) and 0.14 to 55 mg kg(-1), respectively, with most of the DINP and DBP levels lower than 20 mg kg(-1). DIPN was not detected (<0.01 mg kg(-1)) in 41 food samples and DBP was only detected in two domestic and four imported food samples with concentrations ranging from <0.01 to 0.81 mg kg(-1).

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Supercritical Fluid Extraction of Potential Migrants from Paper and Board Intended for Use As Food Packaging Materials

Cited by 29 publications

References 17 publications

Extraction of phthalate esters from water and beverages using a graphene-based magnetic nanocomposite prior to their determination by HPLC

Extraction of phthalate esters from water and beverages using a graphene-based magnetic nanocomposite prior to their determination by HPLC

Evaluation of a screening method for classifying virgin and recycled paper and board samples

Determination of 2,6-diisopropylnaphthalene (DIPN) andn-dibutylphthalate (DBP) in food and paper packaging materials from US marketplaces

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