[Simultaneous determination of 9 ultraviolet absorbers in cosmetics by high-performance liquid chromatography]

[Simultaneous determination of 9 ultraviolet absorbers in cosmetics by high-performance liquid chromatography] Research Abstract Details 

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[Simultaneous determination of 9 ultraviolet absorbers in cosmetics by high-performance liquid chromatography] Abstract Text:

Yoshiaki Ikarashi,Mai Yamada,Tadashi Uchino,Hiroshi Tokunaga,Yoshiaki Ikarashi,Mai Yamada,Tadashi Uchino,Hiroshi Tokunaga,

Simultaneous determination for 9 ultraviolet absorbers those set a limit to the amount in cosmetics was performed. Ultraviolet absorbers were extracted from cosmetics with tetrahydrofuran (THF) by ultrasonication. After centrifugation, the supernatant was collected, and the sample solution was injected into the HPLC. Separation was archived using an ODS column with the mixture of THF and water as the mobile phase. Detection wavelength was set at 310 nm. The linearity was obtained between the peak areas and the concentrations of each ultraviolet absorber in the range of 5 - 100 microg/ml. In 70 commercial cosmetic products, such as sunscreen, face powder, foundation, massage cream, moisture lotion, lip balm and essence, 2-ethylhexyl-p-methoxycinnamate (EMC), 2-hydroxy-4-methoxybenzophenone (HMB), 4-tert-butyl-4'-methoxydibenzoylmethane (BMB) and 2-ethylhexyl salicylate (ES) were detected.

[Simultaneous determination of 9 ultraviolet absorbers in cosmetics by high-performance liquid chromatography] Publishing Authors By Initials

Y Ikarashi,M Yamada,T Uchino,H Tokunaga,Y Ikarashi,M Yamada,T Uchino,H Tokunaga,

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[Simultaneous determination of 9 ultraviolet absorbers in cosmetics by high-performance liquid chromatography] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Kokuritsu Iyakuhin Shokuhin Eisei Kenky?jo h?koku

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Page Numbers: 65-71

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ISSN: 1343-4292

DAY: 28

MONTH: 01

YEAR: 2007

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LANGUAGE: jpn

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AFFILIATION: ikarashi@nihs.go.jp

Country: Japan

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MEDLINETA: Kokuritsu Iyakuhin Shokuhin Ei

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