Rapid and sensitive determination of phytosterols in functional foods and medicinal herbs by using UHPLC-MS/MS with microwave-assisted derivatization combined with dual ultrasound-assisted dispersive liquid-liquid microextraction.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of separation science"
DOI: 10.1002/jssc.201600711
Abstract: In this work, a hyphenated technique of dual ultrasound-assisted dispersive liquid-liquid microextraction combined with microwave-assisted derivatization followed by ultra high performance liquid chromatography tandem mass spectrometry has been developed for the determination of phytosterols in… read more here.
Keywords: liquid; medicinal herbs; microwave assisted; functional foods ... See more keywords
Multiresidue Determination of the Anabolic-Agent Residues Steroids, Stilbenes, and Resorcylic Acid Lactones in Bovine Urine by GC-MS/MS with Microwave-Assisted Derivatization.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.8b02439
Abstract: In this work, a GC-MS/MS method was developed for the determination of anabolic-agent residues in bovine urine. The optimized sample preparation was as follows: enzymatic hydrolysis by β-glucuronidase-sulfatase enzyme from Helix pomatia for 16 h… read more here.
Keywords: agent residues; anabolic agent; microwave assisted; determination anabolic ... See more keywords