Imibala yezitshalo ihlanganisa izinhlobo ezahlukene ze-molecule, ama-porphyrins, ama-carotenoids, ama-anthocyanins nama-betalain.
Indlela yendabuko yokukhipha i-pigment yezitshalo yile:
Okokuqala, ukukhishwa okungahluziwe kwenziwa ku-solvent ye-organic, bese kucwengwa nge-resin noma ezinye izinqubo, bese kuhwamuka futhi kugxilwe ekushiseni okuphansi.Le nqubo iyinkimbinkimbi, kunzima ukuyilawula, inenani elikhulu lezinyibilikisi eziphilayo kanye nesilinganiso se-resin, ukusetshenziswa kwe-asidi ne-alkali, izindleko zokusebenza eziphezulu, indawo engcolile, ikhwalithi ye-pigment engaqinisekisiwe, inani eliphansi lombala.
Ukusetshenziswa kokuhlukaniswa kwe-membrane kanye nenqubo yokuhlanza kungenza inqubo ibe lula, yonge izinyibilikisi ze-organic.Inqubo ye-Ultrafiltration ingasusa amaprotheni, isitashi nokunye ukungcola, bese ikhishwa usawoti nge-nanofiltration ukuze isuse ama-molecule amancane, kuyilapho igxilile.Ukulawula okuzenzakalelayo kungafinyelelwa, kunciphisa kakhulu izindleko zokukhipha, ikhwalithi ye-pigment nokuzinza kanye nenani eliphakeme lombala kunganeliseka.Yonke inqubo ayifaki noma yiziphi izithasiselo, ubuchwepheshe bangempela obuluhlaza.Ibuye isetshenziswe ekukhiqizeni ama-herbal extracts.
Isikhathi sokuthumela: Apr-20-2022