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Estudio comparativo de la acción irritante ocular y dermica de tensioactivos catiónicos derivados de aminoácidos

Authors: Vinardell, M. Pilar; Vílchez, A.; Seguer, Joan; Infante, María Rosa;

Estudio comparativo de la acción irritante ocular y dermica de tensioactivos catiónicos derivados de aminoácidos

Abstract

[ES] Se ha determinado la acción irritante de tensioactivos catiónicos derivados de aminoácidos, sales de metil este res de cadena larga del W*-acil-L-arginina en el ojo y la piel de conejos en un rango de concentraciones del 1 al 5% p/v. Se han sintetizado cuatro tensioactivos homólogos con un residuo de ácidos grasos de 10 a 16 átomos de carbono que han sido estudiados comparativamente entre sí y con un tensioactivo catiónico convencional, la cetrimida. Los resultados obtenidos en este estudio revelan que los tensioactivos sintetizados por nosotros son menos irritantes que la cetrimida a todas las concentraciones estudiadas y que la irritación ocular y dérmica depende de la longitud de la cadena de los tensioactivos. La máxima irritación se observa con el tensioactivo de 12 átomos de carbono.

[EN] Irritation of rabbit eye and skin by cationic amino acid-based surfactants such as salts of long chain N(α)-Acyl-L-Arginine Methyl esters in the concentration range (1-5% w/v) is evaluated. For this study four surfactant homologues with a fatty acid residue of between 10 and 16 carbon atoms have been synthetized. Cetrimide, a conventional cationic surfactant, was used for comparative purposes. The results of this study reveal that the synthetized surfactants are less irritant than cetrimide at all the concentrations tested and the eye and skin irritation depends on the chain length of the surfactants. A maximum of irritation was observed for the C12 chain length surfactant.

Peer reviewed

Keywords

Draize's test, Irritation, Ocular, Surfactants, Dermic

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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