%0 Journal Article %T Cin¨¦tica de lixiviaci¨®n de la corteza de mangle rojo en agua %A Rodr¨Şguez Perdomo %A Yanet %A Curbelo Hern¨˘ndez %A Caridad %J Revista Cubana de Farmacia %D 2012 %I ECIMED %X objective: to determine the type of phenomenon ruling the mass transfer during leaching of red mangrove in water by studying the kinetics of this process. methods: the kinetics of leaching of red mangrove bark into water at lab was studied in a solid/liquid ratio of 1:4 at different temperatures (25, 45, 70 and 90 oc). for each temperature, the kinetic constant was estimated from the fundamental leaching equation by a fitted model using the statistical program curveexpert 1.4 for windows. results: the total soluble solid concentration values showed a sizeable increase at 25 and 45 ˇăc in the first 20 minutes and at 70 and 90 ˇăc in 30 minutes. the activation energy in the experiment amounted to 2.884 kj. conclusions: the leaching of the red mangrove bark is of physical origin. %K kinetics %K activation energy %K leaching %K red mangrove %K medicinal herbs. %U http://scielo.sld.cu/scielo.php?script=sci_abstract&pid=S0034-75152012000100010&lng=en&nrm=iso&tlng=en