Ne vous laissez pas avoir par un mal de dents ! Nouvelle composition chimique du Miswak, la brosse à dents naturelle
DOI :
https://doi.org/10.18192/osurj.v4i1.7284Résumé
Salvadora persica, connue surtout sous le nom d’arbre à brosse à dents, occupe une place particulière dans les traditions folkloriques du Moyen-Orient, notamment pour ses racines qui servent depuis des siècles de brosse à dents naturelle. De nombreuses études récentes sur cette plante ont démontré ses propriétés antimicrobiennes, attribuant leur efficacité à la présence de benzyl isothiocyanate (BITC). Cette étude avait pour but de quantifier la molécule BITC et d’identifier d’autres composants présents dans ces racines grâce à deux méthodes d’extraction innovantes. Un hydrosol de la racine a été produit par hydrodistillation assistée par micro-ondes, et un extrait au CO2 supercritique (s-CO2) a été préparé à partir des racines ; les deux extraits ont été analysés par chromatographie en phase gazeuse couplée à la spectrométrie de masse (GC-MS). L’hydrosol contenait du BITC, du benzylcyanure et du 5-(isothiocyanatométhyl)-1,2,3-triméthoxybenzène, tandis que l’extrait s-CO2 ne contenait pas le composé triméthoxy, mais présentait des agents conservateurs et des acides gras.
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