20.500.12556/RUL-149696 Določevanje fitinske kisline in fosfatov v ekstraktih fermentirane moke Determination of phytic acid and phosphates in fermented flour extracts Fitinska kislina je naravna spojina, ki je prisotna predvsem v stročnicah, žitih, semenih in oreščkih, kjer je glavna zaloga fosforja. Potrebna je za več fizioloških funkcij, na človeka pa ima lahko tudi negativen vpliv. V diplomski nalogi sem določeval koncentracijo fitinske kisline in fosfatov v ekstraktih fermentirane moke z ionsko kromatografijo visoke ločljivosti (HPIC). Pred analizo sem iz vzorcev odstranil klorid z Ag/H kolonico. Preveril sem tudi kakšna je njena učinkovitost in kapaciteta ter kolikšen je izkoristek. S potenciometrično titracijo sem najprej standardiziral raztopino NaOH, nato pa še raztopino fitata. Preveril sem stabilnost pripravljenih standardnih raztopin. Phytic acid is a natural compound found predominantly in legumes, cereals, seeds, and nuts, where it presents the majority of phosphate supplies. Phytic acid is required for several physiological functions, although it can have adverse health effects. In my diploma research work, I determined the concentration of phytic acid in fermented flour extracts according to the high-pressure ion chromatography (HPIC) method. Before conducting the analysis, I removed chloride from the samples using an Ag/H OnGuard cartridge. Furthermore, I studied the efficiency, capacity, and recovery of phytic acid. Using potentiometric titration, I standardised the sodium hydroxide (NaOH) solution before repeating the process with the phytate solution. Finally, I evaluated the stability of the prepared standardised solutions. : fitinska kislina fitat fosfat ionska kromatografija visoke ločljivosti (HPIC) potenciometrična titracija phytic acid phytate phosphate high-pressure ion chromatography (HPIC) potentiometric titration true false false Slovenski jezik Angleški jezik Diplomsko delo/naloga 2023-09-08 10:50:00 2023-09-08 10:50:03 2023-11-09 11:38:44 0000-00-00 00:00:00 2023 0 0 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 22838 171476995 Fortuna_Tim_-_Dolocevanje_fitinske_kisline_in_fosfatov_v_ekstraktih_fermentirane_moke.pdf Fortuna_Tim_-_Dolocevanje_fitinske_kisline_in_fosfatov_v_ekstraktih_fermentirane_moke.pdf 1 59918A311AC9436C8D758359F59BB467 369eb11a22efbf1332f252377594ca746ab9f9cc0f9151bb7e1daf57a182e517 b43fdb6c-4e24-11ee-9323-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=174195 Fakulteta za kemijo in kemijsko tehnologijo 0 0 0