]Vacuum deaeration e wezụga inhibit microbial ibu na mmeputakwa, ọzọ dị mkpa ọrụ bụ igbochi ọxịdashọn nke nri, n'ihi na mmanụ ụdị nri nwere A otutu unsaturated ọdụdụ asịd, site mmetụta nke oxygen oxidation, utoojoo nri, njọ, na mgbakwunye, na oxidation na-emekwa ka vitamin A na C mfu, ihe ndị na-agbanwe agbanwe na pigmenti nri site na ọrụ oxygen, na-eme ka agba agba ọchịchịrị.

