Category Archives: QuEChERS

Addressing chemical risks in beekeeping products: development of a combined ultrasound-assisted extraction and QuEChERS-based method for the simultaneous determination of mycotoxins and pesticides in bee pollen and honey.

Posted on 23 June, 2025 by fqm302

This work presents an ultrasound assisted extraction (UAE) combined with a QuEChERS approach, followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis, for the determination of 20 mycotoxins and 10 pesticides in bee pollen and honey samples. The method was validated … Continue reading →

Posted in Honey, Mass spectrometry, Mycotoxins, PID2021-127804OB-I00, PROYEXCEL_00195, Pollen, QuEChERS, UHPLC | Tagged , , | Comments Off on Addressing chemical risks in beekeeping products: development of a combined ultrasound-assisted extraction and QuEChERS-based method for the simultaneous determination of mycotoxins and pesticides in bee pollen and honey.

Emerging mycotoxin occurrence in chicken feed and eggs from Algeria.

Posted on 4 December, 2024 by fqm302

Poultry farming has developed into one of Algeria’s most productive industrial farming because of the growing demand for sources of protein among Algerian society. Laying hen feed consists mainly of cereals, which can be contaminated with molds and subsequently with … Continue reading →

Posted in Animal feed, Eggs, Mass spectrometry, Mycotoxins, QuEChERS, UHPLC | Tagged , , | Comments Off on Emerging mycotoxin occurrence in chicken feed and eggs from Algeria.

Ion mobility-mass spectrometry to extend analytical performance in the determination of ergot alkaloids in cereal samples.

Posted on 26 September, 2022 by fqm302

This work evaluates the potential of ion mobility spectrometry (IMS) to improve the analytical performance of current liquid chromatography-mass spectrometry (LC-MS) workflows applied to the determination of ergot alkaloids (EAs) in cereal samples. Collision cross section (CCS) values for EA … Continue reading →

Posted in Barley, Ergot alkaloids, Ion mobility, PID2021-127804OB-I00, QuEChERS, UHPLC, Wheat | Tagged , , | Comments Off on Ion mobility-mass spectrometry to extend analytical performance in the determination of ergot alkaloids in cereal samples.

Sweeping-micellar electrokinetic chromatography with tandem mass spectrometry as an alternative methodology to determine neonicotinoid and boscalid residues in pollen and honeybee samples.

Posted on 19 April, 2022 by fqm302

In this work, it is proposed for the first time an electrophoretic approach based on micellar electrokinetic chromatography coupled with tandem mass spectrometry (MEKC-MS/MS) for the simultaneous determination of nine neonicotinoids (NNIs) together with the fungicide boscalid in pollen and … Continue reading →

Posted in B-AGR-202-UGR20, EQC2018-004453-P, Honeybees, Insects, MEKC, Mass spectrometry, Neonicotinoids, Pesticides, Pollen, QuEChERS, RED2018-102522-T, RTI2018-097043-B-I00, Sweeping | Tagged , , , | Comments Off on Sweeping-micellar electrokinetic chromatography with tandem mass spectrometry as an alternative methodology to determine neonicotinoid and boscalid residues in pollen and honeybee samples.

Determination of principal ergot alkaloids in swine feeding

Posted on 2 September, 2021 by fqm302

Ergot alkaloids are secondary metabolites produced by fungi in the genus Claviceps. They contaminate a large variety of cereals, such as rye, triticale, wheat and barley. The ingestion of contaminated cereals might cause adverse health effects in humans and animals. … Continue reading →

Posted in Animal feed, Ergot alkaloids, Mass spectrometry, QuEChERS, RTI2018-097043-B-I00, UHPLC | Tagged , , | Comments Off on Determination of principal ergot alkaloids in swine feeding

Determination of the main ergot alkaloids and their epimers in oat-based functional foods by ultra-high performance liquid chromatography tandem mass spectrometry.

Posted on 18 June, 2021 by fqm302

An ultra-high performance liquid chromatography coupled to tandem mass spectrometry method is proposed for the determination of the major ergot alkaloids (ergometrine, ergosine, ergotamine, ergocornine, ergokryptine, ergocristine) and their epimers (ergometrinine, ergosinine, ergotaminine, ergocorninine, ergokryptinine, and ergocristinine) in oat-based foods … Continue reading →

Posted in Ergot alkaloids, Mass spectrometry, Mycotoxins, Oat, QuEChERS, RTI2018-097043-B-I00, UHPLC | Tagged , , | Comments Off on Determination of the main ergot alkaloids and their epimers in oat-based functional foods by ultra-high performance liquid chromatography tandem mass spectrometry.

Occurrence of ergot alkaloids in barley and wheat from Algeria

Posted on 28 April, 2021 by fqm302

The natural occurrence of six major ergot alkaloids, ergometrine, ergosine, ergotamine, ergocornine, ergokryptine and ergocristine, as well as their corresponding epimers, were investigated in 60 cereal samples (barley and wheat) from Algeria. Ultra-high performance liquid chromatography coupled to tandem mass … Continue reading →

Posted in Barley, Ergot alkaloids, Mass spectrometry, Mycotoxins, QuEChERS, RTI2018-097043-B-I00, UHPLC, Wheat | Tagged , , | Comments Off on Occurrence of ergot alkaloids in barley and wheat from Algeria

Determination of sulfonylurea pesticide residues in edible seeds used as nutraceuticals by QuEChERS in combination with ultra-high-performance liquid chromatography-tandem mass spectrometry

Posted on 13 April, 2020 by fqm302

This work proposes a novel Quick, Easy, Cheap, Effective, Rugged, and Safe (QuEChERS) method in combination with ultra-high performance liquid chromatography-tandem mass spectrometry for the determination of sulfonylurea residues in edible seeds. The chromatographic separation of nine sulfonylureas was accomplished … Continue reading →

Posted in AGL2015-70708-R, Mass spectrometry, QuEChERS, Seeds, Sulfonylurea, UHPLC | Tagged , , | Comments Off on Determination of sulfonylurea pesticide residues in edible seeds used as nutraceuticals by QuEChERS in combination with ultra-high-performance liquid chromatography-tandem mass spectrometry

Multi-mycotoxin occurrence and exposure assessment approach in foodstuffs from Algeria

Posted on 19 March, 2020 by fqm302

A survey on 120 cereal samples (barley, maize, rice and wheat) from Algerian markets has been carried out to evaluate the presence of 15 mycotoxins (ochratoxin A, deoxynivalenol, fumonisin B1 and B2, T-2 and HT-2 toxins, zearalenone, fusarenon X, citrinin, … Continue reading →

Posted in AGL2015-70708-R, Barley, Maize, Mass spectrometry, Mycotoxins, QuEChERS, Rice, UHPLC, Wheat | Tagged , | Comments Off on Multi-mycotoxin occurrence and exposure assessment approach in foodstuffs from Algeria

Development and validation of a QuEChERS method for the analysis of 5-nitroimidazole traces in infant milk-based samples by ultra-high performance liquid chromatography-tandem mass spectrometry

Posted on 14 June, 2018 by fqm302

QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) methodology in combination with UHPLC–MS/MS is proposed for the determination of 5-nitroimidazole (5-NDZ) residues in infant milk-based products. Chromatographic separation was accomplished in a C18 Zorbax Eclipse Plus RRHD (50 × 2.1 mm, 1.8 μm) column … Continue reading →

Posted in 5-nitroimidazoles, AGL2015-70708-R, Infant foods, Mass spectrometry, P12-AGR-1647, QuEChERS, UHPLC | Tagged , , | Comments Off on Development and validation of a QuEChERS method for the analysis of 5-nitroimidazole traces in infant milk-based samples by ultra-high performance liquid chromatography-tandem mass spectrometry