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    Izolacija alkaloida iz prirodnih spojeva

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    Josip Juraj Strossmayer University of Osijek. Josip Juraj Strossmayer University of Osijek, Department of Chemistry
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    Od davnina pa sve do današnjih dana ljudi proučavaju alkaloide. Alkalodi su organski spojevi bazičnih svojstava koji sadrţe dušikove atome. Različita svojstva alkaloida (topljivost, struktura) omogućavaju i njihovu izolaciju. U ovom radu se obraĎuje izolacija i svojstva purinskih alkaloida kofeina, teobromina, te piperina. Primjenom standardnih metoda koje uključuju postupke ekstrakcije izolirani su navedeni alkaloidi iz kave, čaja, kakaa i papra.From ancient times until the present day, alkaloids are being studied. Alkaloids are organic compounds containing nitrogen atoms. Different properties of alkaloids (solubility, structure) enable their separation. This final year project decribes the isolation and properties of purine alkaloids such as caffeine, theobromine, and also piperine. Applying the standard described methods the aforementioned alkaloids were isolated from coffee, tea, cocoa and pepper

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