A new extraction method of bioflavanoids from poisonous plant (Gratiola Officinalis L.)

摘要

The?way?of?vegetable?raw?materials?extraction?which?allows?to?receive?nontoxical?composition?of?biological?active?agents?from?oisonous?plants?such?as?Gratiola?officinalis?L.?was?described.?The?alkaloids?exit?changes?with?the?increase?of?ethyl?alcohol?percentage?(from?15%?to?96%).?The?extract?was?obtained?using?96%?ethanol?and?did?not?give?positive?high?quality?reaction?to?the?content?of?alkaloids.?The?chemical?composition?with?new?nontoxical?biological?active?composition?of?Gratiola?officinalis?L.?extract?was?investigated.?The?extract?contains?a?previously?unknown?plant?–?bioflavonoid?quercetin.?The?average?value?of?quercetin?in?this?extract?using?the?calibration?curve?of?the?standard?sample?quercetin?(98%)?Sigma?is?0.66%.?In?the?dry?rest?of?extractive?substances?(Gratiola?officinalis?L.)?the?quantity?of?quercetin?was?350?mkg??(obtained?from?10?g?of?a?dry?grass)?as?was?established?by?the?method?of?a?liquid?chromatography.