WU Zhi-shan,WU Jiao-jiao,YIN Wei-cheng,et al.Simultaneous Determination of 9 Self-heating Compounds Including Capsaicin in Cosmetics by High Performance Liquid Chromatography[J].Journal of Instrumental Analysis,2023,42(05):641-646.
WU Zhi-shan,WU Jiao-jiao,YIN Wei-cheng,et al.Simultaneous Determination of 9 Self-heating Compounds Including Capsaicin in Cosmetics by High Performance Liquid Chromatography[J].Journal of Instrumental Analysis,2023,42(05):641-646. DOI: 10.19969/j.fxcsxb.23011902.
Simultaneous Determination of 9 Self-heating Compounds Including Capsaicin in Cosmetics by High Performance Liquid Chromatography
A high performance liquid chromatographic(HPLC) method was established for the determination of 9 self-heating compounds,including capsaicin in cosmetics.The samples were ultrasonically extracted with 80% methanol,and then filtered.The target compounds were separated on a SymmetryShield,TM,RP18(250 mm × 4.6 mm,5 μm) with a mobile phase consisting of acetonitrile and 0.5% formic acid by gradient elution,and analyzed by HPLC with a PDA detector.Under the optimal conditions,good linear relationships were obtained for nine compounds in the concentration range of 0.2-100 μg/mL,with correlation coefficients(,r,2,) not less than 0.999 5.The limits of detection(LODs) were in the range of 0.001 0-0.003 4 mg/kg.The spiked recoveries for water,lotion and cream matrixes at three levels of 0.004,0.02,1 mg/kg ranged from 75.6% to 115%,with relative standard deviations(RSDs,,n, = 3) of 0.083%-7.0%.This method is accurate and sensitive,and is suitable for the qualitative and quantitative analysis of 9 self-heating compounds in cosmetics.
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Institute of Analysis,Guangdong Academy of Sciences(China National Analytical Center,Guangzhou),Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Test Technology,Guangdong Provincial Engineering Research Center for Quality and Safety of Traditional Chinese Medicine