the dye extraction process plant, phytolacca americana l

摘要

the invention refers to a process of extraction of fruit integral dye plant phytolacca americana and consist in that the filtrate resulting from fruit refiltreaza,it is centrifugheaza revving at 6000. 8 and then is treated with water solution of sulfuric acid with concentration of 2 -- 9% correct ph to 1.5.5,0 is desicarii in an evaporation zone at a temperature of 35 revolving... 101 degree c after which the product is resumed in a solution composed of 1 3 ml and 25....30 ml of alcohol etilicabsolut and evaporate in an oven at 35....101 degree c.