Ibara ry'umutuku ry'uruhu rw'imizabibu
Ibara ry'umutuku ry'uruhu rw'imizabibu, rizwi kandi nka extract y'uruhu rw'imizabibu, ni ibara ry'umwimerere rikomoka kuri anthocyanin rikomoka kuri pomace y'imizabibu—uruhu rusigaye nyuma yo gutosa cyangwa gukora divayi. Uburyo bwo gukora bukubiyemo gukura imbuto n'imyanda muri pomace, hagakurikiraho gukuramo amazi cyangwa ethanol yo mu rwego rwo hejuru rw'ibiribwa, kuyungurura, gupima, n'izindi ntambwe zo gutunganya.
Hari ibintu bimwe na bimwe bitunganywa mu buryo bw'ifu binyuze mu gusukura amavuta, hongerwamo ibindi bintu nk'ibya maltodextrin. Ibice by'ingenzi byayo birimo anthocyanin glucosides nka malvidin, peonidin, delphinidin, na petunidin-3'-glucoside, hamwe na flavonoids. Ibi bintu ntibigaragaza gusa ubushobozi bwayo bwo gusiga irangi ahubwo binagira uruhare mu miterere yayo irwanya icyorezo.
Imiterere ya fiziki y'ibara ritukura nk'uruhu rw'imizabibu iratandukanye: isura yaryo iva ku ifu y'umutuku wijimye kugeza ku ifu y'umuhengeri utukura, hamwe n'imiterere y'amazi n'umusemburo biboneka, hamwe n'impumuro ntoya. Rishongera cyane mu mazi, ethanol, propylene glycol, n'ibindi bintu bishongesha ariko ntirishongera mu mavuta, amavuta, na ethanol yuzuye. Ibara ryaryo rishingira cyane ku pH—rigaragaza ibara ritukura rihamye, ritukura cyane kugeza ku ibara ry'umuhengeri utukura mu gihe cy'aside, rihinduka ubururu mu bidukikije bitagira aho bibogamiye, kandi rihinduka icyatsi kibisi kidahindagurika mu gihe cy'aside.
Byongeye kandi, ntishobora kwihanganira urumuri n'ubushyuhe bihagije; iyo imaze igihe kinini ihuye n'urumuri rwinshi cyangwa ubushyuhe bwinshi bishobora gutuma ibara rishira. Iyo hari iron z'icyuma nka icyuma n'umuringa, ishobora kwijima igahinduka ibara ry'umukara n'umukara, kandi ishobora kwangirika bitewe n'ibyuka, ifite imbaraga ziciriritse zo gusiga ibara no kudahangana n'ubushyuhe muri rusange.














