A METHOD FOR PRODUCING RED BEET DYE-STUFF A METHOD FOR PRODUCING RED BEET DYE-STUFF

摘要

A method for producing red beet dye-stuff provides beet-roots washing, breakage, stabilization of beet pigments by buffer solution of citric acid with sodium phosphate, additionally at the stage of breakage beetroots are homogenized, the juice is separated by means of centrifugal forces, thereafter citric acid at an amount of 0.5-3 % and sodium phosphate at an amount of 0,5-3 % are added to the juice bulk, kept for 30-60 minutes at the temperature of 8-25 DEGREE C and concentrated by spraying at the temperature of 60-80 DEGREE C.