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Journals and Conferences
We have studied the poss ib i l i ty of using ion-exchange r e s ins to isola te and purify combined an th ra quinones. The exper iment was p e r f o r m e d with the aqueous mothe r l iquor f r o m the product ion of the p r e pa ra t ion "Rhamnil" , which contains combined hydroxymethylanthraquinones (HMAs) consis t ing mainly of emodin (0.14%) and… (More)
The rhamni l p repa ra t ion suggested by the Insti tute of P h a r m a c o c h e m i s t r y of the Academy of Sciences of the Georgian SSR, which is isolated f r o m the ba rk of the alder buckthorn, is widely used in medicine as a gentle laxat ive [1-3], Rhamnil contains about 65% of hydroxymethylanthraquinones (HMA), consis t ing of frangulin (45%), f… (More)
We have inves t igated the ba rk of Rh. imere t i na kept fo r a yea r af ter its collect ion. The amount of HMA was de te rmined by Auterhoff ' s method as modif ied by Romanova . The total content of f ree and combined HMA in the raw m a t e r i a l was 5.6%, the amount of f ree HMA being 1.4%. Chromatography in a thin l aye r of s i l ica gel in the… (More)