Development of a manual method for the determination of mineral oil in foods and paperboard

Fiselier, Katell; Grundböck, Florian; Schön, Karsten; Kappenstein, Oliver; Pfaff, Karla; Hutzler, Christoph; Luch, Andreas; Grob, Koni

doi:10.1016/j.chroma.2012.11.034

“…Fiselier et al concluded that a 3 g mixture packing 1/3 silver coated silica gel and 2/3 activated gel was capable of retaining 400 mg lipids, but it was suggested to retain 200 mg oils for the balance of retention of lipid and resolution of target components 7 . Usually, activation of silica gel not only increases the capacity of lipid retention, but also removes some impurities and interferences considering ubiquitous contamination of mineral oils in commercial gels 6 .…”

Section: Capacity Of the Spe Columnmentioning

confidence: 99%

“…The separation performance of the wide tube was poorer than that of the thin one. Accordingly, 2 g of sorbent were packed into a 5 mL glass syringe 8 cm Φ13 mm , which was easily available and had an inner diameter that was close to a previously reported glass column 7 .…”

Section: Optimization Of the Mosh Fraction With Spementioning

confidence: 99%

“…Fisilier et al proposed an alternative preparation procedure which used much lower concentration of 1 silver nitrate solution and the prepared sorbent consisted of one third of coated silica gel and two thirds of uncoated silica gel. The total level was 0.3 silver in gels for packing the SPE column 7 . Basically, the lower concentration of solution 1 AgNO 3 means better dispersity of silver in the silica gel particles and thus the coated gel would achieve similar efficiency of retention and selectivity, compared to correspondingly concentrated solution.…”

Section: Preparation Of the Spe Column With Ag-silica Gelmentioning

confidence: 99%

“…As the selective separation of the MOSH fraction is required, the elution solvent was optimized on the basis of previous report 7 . Just 7 mL of eluent was used to optimize the interval between the Cho and TBB.…”

Section: Optimization Of the Mosh Fraction With Spementioning

confidence: 99%

“…Finally, a total 6 mL of MOSH fraction and 10 mL of MOAH fraction were collected 7 . That means that by switching eluents the MOSH were separated from the MOAH by the SPE column.…”

Section: Optimization Of the Mosh Fraction With Spementioning

confidence: 99%

See 3 more Smart Citations

Offline Solid-phase Extraction Large-volume Injection-Gas chromatography for the Analysis of Mineral Oil-saturated Hydrocarbons in Commercial Vegetable Oils

Liu¹,

Huang

²

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et al. 2017

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Occurrence, determination, and assessment of mineral oils in oilseeds and vegetable oils

Brühl

¹

2016

Euro J Lipid Sci & Tech

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Mineral oil hydrocarbon contaminations can often be found in oilseeds, oils, and fats as these matrices are good keepers to accumulate them from all kind of sources along the production chain. In addition, seeds and vegetable oils contain naturally occurring hydrocarbons in various compositions. These naturally hydrocarbons can serve for a proof of authentication and they have to be taken into account for the analysis of mineral oil hydrocarbons as contaminants. In this review, the many sources of contamination like environmental effects, production machinery, and packaging materials are referred to and reported data for contaminated vegetable oils like sunflower, olive, and palm oil and in addition raw materials and feed are focused on. This is of special importance for the food survey and for the production as it is a challenging task to survey the many routes of contamination along the production chain and during storage in order to improve the food quality. There is still discussion where to fix a reasonable limit for such contaminants in oils and fats, where levels are often very high compared to levels found for migration from packaging materials into low fat products. For the later ones draft limits have been discussed, but it will be a challenge to reduce mineral oil hydrocarbon contamination in oils and fats to a similar extend. In addition, the determination of low levels of hydrocarbon contamination is demanding and validation of sophisticated coupled LC–GC methods in collaborative trials is still in development. Practical applications: An overview about the analysis of mineral oil hydrocarbon contaminations of oilseeds, oils, and fats is given. For seeds and vegetable oils also contain naturally occurring hydrocarbons in various compositions, reference data on these naturally hydrocarbons are provided. The many sources of contamination like environmental effects, production machinery, and packaging materials are referred to and vegetable oils like sunflower, olive, and palm oil and in addition raw materials and feed are focused on. The arguments for a reasonable limit for such contaminants in oils and fats are discussed. Analysis of mineral oil hydrocarbon contamination of oilseeds, oils, and fats is reviewed. Reference data on naturally hydrocarbons are provided, which occur in various compositions. The many sources of contamination like environmental effects, production machinery, and packaging materials are referred to and vegetable oils like sunflower, olive, palm oil, raw materials, and feed are focused on. The arguments for a reasonable limit for such contaminants in oils and fats are discussed.

show abstract

Occurrence, determination, and assessment of mineral oils in oilseeds and vegetable oils

Brühl

¹

2016

Euro J Lipid Sci & Tech

View full text Add to dashboard Cite

Mineral oil hydrocarbon contaminations can often be found in oilseeds, oils, and fats as these matrices are good keepers to accumulate them from all kind of sources along the production chain. In addition, seeds and vegetable oils contain naturally occurring hydrocarbons in various compositions. These naturally hydrocarbons can serve for a proof of authentication and they have to be taken into account for the analysis of mineral oil hydrocarbons as contaminants. In this review, the many sources of contamination like environmental effects, production machinery, and packaging materials are referred to and reported data for contaminated vegetable oils like sunflower, olive, and palm oil and in addition raw materials and feed are focused on. This is of special importance for the food survey and for the production as it is a challenging task to survey the many routes of contamination along the production chain and during storage in order to improve the food quality. There is still discussion where to fix a reasonable limit for such contaminants in oils and fats, where levels are often very high compared to levels found for migration from packaging materials into low fat products. For the later ones draft limits have been discussed, but it will be a challenge to reduce mineral oil hydrocarbon contamination in oils and fats to a similar extend. In addition, the determination of low levels of hydrocarbon contamination is demanding and validation of sophisticated coupled LC–GC methods in collaborative trials is still in development. Practical applications: An overview about the analysis of mineral oil hydrocarbon contaminations of oilseeds, oils, and fats is given. For seeds and vegetable oils also contain naturally occurring hydrocarbons in various compositions, reference data on these naturally hydrocarbons are provided. The many sources of contamination like environmental effects, production machinery, and packaging materials are referred to and vegetable oils like sunflower, olive, and palm oil and in addition raw materials and feed are focused on. The arguments for a reasonable limit for such contaminants in oils and fats are discussed. Analysis of mineral oil hydrocarbon contamination of oilseeds, oils, and fats is reviewed. Reference data on naturally hydrocarbons are provided, which occur in various compositions. The many sources of contamination like environmental effects, production machinery, and packaging materials are referred to and vegetable oils like sunflower, olive, palm oil, raw materials, and feed are focused on. The arguments for a reasonable limit for such contaminants in oils and fats are discussed.

show abstract

Development of a manual method for the determination of mineral oil in foods and paperboard

Cited by 34 publications

References 18 publications

Offline Solid-phase Extraction Large-volume Injection-Gas chromatography for the Analysis of Mineral Oil-saturated Hydrocarbons in Commercial Vegetable Oils

Offline Solid-phase Extraction Large-volume Injection-Gas chromatography for the Analysis of Mineral Oil-saturated Hydrocarbons in Commercial Vegetable Oils

Occurrence, determination, and assessment of mineral oils in oilseeds and vegetable oils

Occurrence, determination, and assessment of mineral oils in oilseeds and vegetable oils

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