Sunscreens derived from paraaminobenzoic acid. Identification and dosage of N-propoxylated ethyl paraaminobenzoates in sun-creams

Sunscreens derived from paraaminobenzoic acid. Identification and dosage of N-propoxylated ethyl paraaminobenzoates in sun-creams

Summary The derivatives of paraaminobenzoic acid listed by the council of Europe (February 1981) as 'Sunscreen agents used to protect the skin'can be determined by simple chromatographie methods (TLC + GLC) described in a previous article. In Amerscreen (R)-P*, (trade name of N-propoxylate...

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Veröffentlicht in:International journal of cosmetic science 1982-12, Vol.4 (6), p.235-246
Hauptverfasser: Masse, M O, Herpol-Borremans, M, Et, R G, Gleviczky, S
Format: Artikel
Sprache:eng ; fre
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Zusammenfassung:Summary The derivatives of paraaminobenzoic acid listed by the council of Europe (February 1981) as 'Sunscreen agents used to protect the skin'can be determined by simple chromatographie methods (TLC + GLC) described in a previous article. In Amerscreen (R)-P*, (trade name of N-propoxylated ethyl paraaminobenzoate), four constituants are identified by means of nuclear magnetic resonance spectroscopy (NMR) and quantitatively measured by high pressure liquid chromatography (HPLC) in sun-creams.
ISSN:0142-5463
DOI:10.1111/j.1467-2494.1982.tb00320.x