In view of the fact that the isolation of citric acid from fruits is very expensive, it is commercially produced from sugar with the help of bacteria and yeasts.
I dobije se u ~99% čistoći, a ne zna se što čini preostalih 1%. O tome smo već nešto pisali.
o zna se jako dobro, ali to je tajna proizvođača, i ovisno je o sintetskom putu