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In this production technique, which is still the major industrial route to citric acid used today, cultures of A. niger are fed on a sucrose or glucose-containing medium to produce citric acid. The source of sugar is corn steep liquor, molasses, hydrolyzed corn starch or other inexpensive sugary solutions.[11] After the mold is filtered out of the resulting solution, citric acid is isolated by precipitating it with calcium hydroxide to yield calcium citrate salt, from which citric acid is regenerated by treatment with sulfuric acid, as in the direct extraction from citrus fruit juice.
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citronska kislina (sintetična) je derivat sladkorjev, oziroma škroba. Ne uživajte citronske kisline in jo ne uporabljajte za konzervans, ker konzervera tudi vas.
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Odgovor lahko oddate kot gost. Vgrajena je časovna omejitev 30 sekund za oddajo novega sporočila.
Opozorilo: po 297. členu
Kazenskega zakonika je vsak posameznik kazensko odgovoren za javno spodbujanje sovraštva, nasilja ali nestrpnosti.
03.05.2016 ob 12:59