RT Journal Article T1 Characterization and dyeing potential of colorant-bearing plants of the Mayan area in Yucatan Peninsula, Mexico A1 Chan Bacab, Manuel Jesús A1 Sanmartín Sánchez, Patricia A1 Camacho Chab, Juan Carlos A1 Palomo Ascanio, Kahlia Beatriz A1 Huitz Quimé, Hesby Emmanuel A1 Ortega Morales, Benjamin Otto K1 Vegetable dyes K1 Bixa orellana K1 Mordant K1 Green chemistry K1 Color characterization K1 Mayan handcraftsmanship AB Natural dyes are receiving increasing attention from researchers and manufacturers, given its perceived eco-friendly nature. Yet, adjunct agents known as mordants that help bond the molecules of the fabric being dyed and the colorant used to dye it are often toxic. There is scant published information describing the dyeing potential and toxicity of colorant-bearing plants and the dye uptake with respect to the mordant treatments. A preliminary survey based on a range of sources of information showed that of the Yucatan peninsula harbors 23 plants showing dyeing properties. Four of them (Justicia spicigera, Bixa orellana, Bougainvillea glabra and Rhoe discolor) were selected to extract their natural dyes, which were chemical and toxically characterized. B. orellana was successfully employed to dye the fabric, viz. ordinary cotton cloth, manta. The dye baths without mordant only present low toxicity, the J. spicigera and B. glabra dyes being the most toxic. The B. orellana dye was less toxic, although its toxicity is increased when mordants are used. Regarding color performances of the dyed fabrics, mordanting influenced the depth of the shades, improving dyeing and light fastness. Nevertheless, mordants had no significant effects on color values PB Elsevier YR 2015 FD 2015-03-15 LK https://hdl.handle.net/10347/46066 UL https://hdl.handle.net/10347/46066 LA eng NO Manuel Jesús Chan-Bacab, Patricia Sanmartín, Juan Carlos Camacho-Chab, Kahlia Beatriz Palomo-Ascanio, Hesby Emmanuel Huitz-Quimé, Benjamín Otto Ortega-Morales, Characterization and dyeing potential of colorant-bearing plants of the Mayan area in Yucatan Peninsula, Mexico, Journal of Cleaner Production, Volume 91, 2015, Pages 191-200, ISSN 0959-6526, https://doi.org/10.1016/j.jclepro.2014.12.004 NO This study was supported by a research grant from FOMIX Gobierno de Campeche CONACYT “Extracción optimizada, caracterización química y potencial tintóreo de pigmentos naturales para uso textil artesanal en Campeche” 2011-C03-172468. Dr. Patricia Sanmartín is supported by a postdoctoral contract within the framework of the 2011–2015 Galician Plan for Research, Innovation and Growth (Plan I2C) for the year 2012. Fruitful discussion and guide from the local minister of industrial and commercial development (SEDICO) Lic. Enrique Ariel Escalante Arceo is appreciated. Also, we wish to thank Aude Etrillard for her help with the editing of manuscript DS Minerva RD 22 may 2026