carnauba


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to carnauba: carnauba palm

carnauba

(kärnô`bə, –nou`–), waxwax,
substance secreted by glands on the abdomen of the bee and known commonly as beeswax; also various substances resembling beeswax. Waxes are mixtures comprising chiefly esters of monohydroxy alcohols, besides other esters and free fatty acids, free alcohols, and higher
..... Click the link for more information.
 obtained from the wax palm, or carnauba (Copernicia cerifera), of Brazil. It is secreted by the leaves, apparently in defense against the hot winds and droughts of its native habitat, and the resultant coating is removed by drying and flailing. The hardest, highest-melting natural wax known, its many commercial uses include the production of polishes, lubricants, and floor waxes. A similar wax is obtained from the trunk of Ceroxylon andicola, the wax palm of the Andes.
References in periodicals archive ?
Therefore, this study aimed to evaluate the production of 'Formosa' papaya seedlings in substrate containing carnauba wax residue and under foliar fertilization.
Apesar de receberem a aplicacao de cera de carnauba, os frutos coletados no final da linha de beneficiamento e no centro de comercializacao apresentaram maior perda de massa fresca, quando comparados aos demais tratamentos que nao receberam cera (Figura 2).
Also, as a protectant, technology has moved beyond Carnauba wax--reactive polymer coatings, such as used in Rejex, are favored by detailers.
Unless the European Parliament objects, this means that the Commission will authorise the use of: benzoic acid or benzoates (E210-E213) in alcohol-free counterparts of wine; polysorbates (E432-E436) in coconut milk; talc (E553b) and carnauba wax (E903) on unpeeled coloured boiling eggs; and shellac (E904) on unpeeled boiled eggs.
Wax's Black Carnauba There's also a spray-on black detailing solution for bumpers of as well as an assortment microfibre polishing clothes.
Como resultado se encontro que las ceras a base de carnauba y de cera de abejas y acidos grasos presentaron la menor tasa de deterioro de la calidad comercial de las raices (Chang, 2008).
Dynamar RA 5300 has been shown to perform at a higher level with less sacrifice to the desirable properties of an FKM compound, and shows potential as a replacement for conventional materials such as carnauba wax, according to the manufacturer.
Specifically, three micron-sized particles, carnauba wax, polyethylene (PE), and polytetrafluoroethylene (PTFE) particles, as well as PTFE nanoparticles, were used.
30-year-old Gurcharn Sahota uses a microscope and an ultrasonic depth gauge to inspect the car's paintwork, as well as a Brazilian carnauba wax that costs Au8,000.
20) By the early 1940s, the extraction of xerophilous plants such as the carnauba palm (wax), oiticica tree (oil), castor seed (oil), and the caroa cactus (hemp-like fiber) complemented cotton as the state's leading ex-port commodities.