Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1359, Issue -, Pages 140-146Publisher
ELSEVIER
DOI: 10.1016/j.chroma.2014.07.032
Keywords
Prostaglandins; Cosmetics; QuEChERS; LC-MS/MS
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A method was developed and validated for the determination of 16 prostaglandin analogs in cosmetic products. The QuEChERS (Quick, Easy, Cheap, Efficient, Rugged, Safe) liquid liquid extraction method, typically used for pesticide residue analysis, was utilized as the sample preparation technique. The prostaglandin analogs were chromatographically separated and quantified using high performance liquid chromatography with tandem mass spectrometry (HPLC-MS/MS). Thirty-one cosmetic products were surveyed, and 13 products were determined to contain a prostaglandin analog with amounts ranging from 27.4 to 297 mu g/g. The calculated concentrations for the cosmetic products were in a similar range when compared to the concentrations of three different prostaglandin analog-containing prescription products. (C) 2014 Elsevier B.V. All rights reserved.
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