El pixoy como material de conservación de pintura mural y relieves policromos en el área maya

because of the conservation problems of the mural paintings and color stucco reliefs from the archaeological sites of the mayan area which are preserved in situ, the investigation of new materials that resist deterioration effects have been a very important goal for restorers. one of these products are the vegetables extracts, used like additives for the lime, and in the case of ek'balam as fixatives of pictorial layer. this investigation has been developed to evaluate one of these materials, pixoy gum (guazuma ulmifolia), and to determine its effectiveness in the archaeological conservation.