简介：AmethodforremovimgglucorapheninfromtheextractofRadishpigmentbyanionexchangeresin201×7wasstudied.Theadsorptioncapacityof201×7resinforglucorapheninwas72.8mg/mlresin,theequilibriumtime55minutes,andtheoptinumpH5.5.Allglucorapheninthathadbeenadsorbedon201×7resinwaselutedby1.5BV.hr^-1,eluentinwhincconcentrationofNaOHwas0.05mol·L^-1attheflowrateof1.5BV/h.Extractingsolutionofdeglucorapheninwasenrichedbyvacuumandspraydrying.ApowderproductofRadishpigmentwasobtainedandE1cm^1%=4.30.
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