Zoekresultaten - 10 results

Development of a QuEChERS-Based UHPLC-MS/MS Method for Simultaneous Determination of Six Alternaria Toxins in Grapes

determination of alternariol (AOH), altenuene (ALT), tentoxin (TEN), altenusin (ALS), tenuazonic acid (TeA), and alternariol monomethyl ether (AME) in grapes was developed by ultra-high-performance liquid ...

Profiling of the beneficial and potentially harmful components of Trichodesma indicum seed and seed oil obtained by ultrasound-assisted extraction

LC-Q- TOF- MS. Rosmarinic acid (67%) and isomers of salvianolic acid B/E/L (26%) were the main phenolics, while melitric acid A and sebestenoid C/D constituted 6% and 1%, respectively. Only a minor part ...

Risk to human health related to the presence of perfluorooctane sulfonic acid and perfluorooctanoic acid in food

perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) in food. Regarding PFOS and PFOA occurrence, the final data set available for dietary exposure assessment contained a total of 20,019 ...

Detection of pyrrolizidine alkaloids in milk and honey on the Belgian market using UHPLC-MS/MS.

were developed for the analysis of 16 PA s and 13 PANO s in honey and milk matrices at WIV- ISP. The sample preparation involves acidic extraction of the analytes followed by SCX- SPE purification to ...

Pyrrolizidine alkaloids in herbs and related foodstuffs (PASHERBS)

food supplements. The sample preparation protocols were comprised of an acidic solid-liquid extraction of the analytes followed by SPE clean-up to avoid loss of sensitivity due to matrix effect. Several ...

Food contamination with pyrrolizidine alkaloids: the expected and the unexpected

infusions, and food supplements. The sample preparation protocols were comprised of an acidic solid-liquid extraction of the analytes followed by SPE clean-up to avoid loss of sensitivity due to matrix effect. ...

UHPLC-MS/MS methods for the quantification of pyrrolizidine alkaloids in a wide range of food matrices and exposure assessment for the Belgian population

and food supplements. The sample preparation protocols were comprised of an acidic solid-liquid extraction of the analytes followed by SPE clean-up to avoid loss of sensitivity due to matrix effect. ...

How safe are your infusions? Analysis of pyrrolizidine alkaloids in plant based products using UHPLC-MS/MS & highlighting of their transfer rate during brewing.

salads, spices, (herbal) teas and food supplements) involved organic acidic extraction of the analytes followed by Envi-Carb SPE purification to avoid loss of sensitivity due to matrix effect. On the other ...

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