Combination of liquid- and solid-phase extraction followed by achiral and chiral high-performance liquid chromatography as an efficient and sensitive method for determination of panthenol in personal care products.
Andrea Špačková, Barbora Šimková, Katarína Hroboňová
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引用次数: 0
Abstract
Objective: This work deals with the development of an analytical method for the analysis of body milk, cream, and oil. The objective is to develop a reliable, sensitive, and reproducible method suitable to assess the content of dexpanthenol in personal care products and to confirm the declared enantiomeric form.
Methods: Optimization of conditions for the extraction of panthenol from personal care products was carried out for the detection and quantification of panthenol and its enantiomers by achiral and chiral high-performance liquid chromatography (HPLC) with spectrophotometric detection. Polarimetric and circular dichroism detection in chiral HPLC were also used for the confirmation of enantiomeric forms of panthenol.
Results: Optimal extraction media, chloroform:water 1:3 (v:v) for liquid-phase extraction and NH2 type adsorbent for solid-phase extraction have been selected. A combined extraction procedure was useful for the treatment of complex fat cosmetic samples, achieving recoveries of 83.1%, 88.2%, and 83.0% for body milk, cream, and oil, respectively (RSD < 1.6%). The achiral HPLC method with a C18 type stationary phase and acetonitrile:water (10:90, v:v) as a mobile phase, and the chiral HPLC method with an amylose tris(3,5-dimethylphenylcarbamate) stationary phase and a mobile phase composed of n-hexane and ethanol (60:40, v:v) were used for the analysis of extracts.
Conclusion: The proposed extraction procedure is compatible with both the reversed-phase and normal-phase liquid chromatographic systems and is applicable in the analysis of a wide group of personal care products. The d-enantiomeric form (dexpanthenol) was detected in tested samples. The content of dexpanthenol in body milk, cream, and oil samples was found to be 0.2%-1.5%, 0.04%-0.7%, and 0.01%-0.03%, respectively.
期刊介绍：
The Journal publishes original refereed papers, review papers and correspondence in the fields of cosmetic research. It is read by practising cosmetic scientists and dermatologists, as well as specialists in more diverse disciplines that are developing new products which contact the skin, hair, nails or mucous membranes.
The aim of the Journal is to present current scientific research, both pure and applied, in: cosmetics, toiletries, perfumery and allied fields. Areas that are of particular interest include: studies in skin physiology and interactions with cosmetic ingredients, innovation in claim substantiation methods (in silico, in vitro, ex vivo, in vivo), human and in vitro safety testing of cosmetic ingredients and products, physical chemistry and technology of emulsion and dispersed systems, theory and application of surfactants, new developments in olfactive research, aerosol technology and selected aspects of analytical chemistry.
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