Iningi lamabhuku okudonsa kanye nama-pickle zokupheka akutshela ukuthi ungalokothi usebenzise uviniga owenziwe ngokwenza izinto ngoba awuphephile. "Eqinisweni, kunendlela yokusebenzisa uviniga wakho owenziwe ngokuphepha, kodwa udinga isinyathelo esisodwa esengeziwe. hlola uviniga wakho ukuze uqinisekise ukuthi kuyenziwe ngokwanele ukubulala noma yikuphi amabhaktheriya ayingozi.
I-Acidity namaBhaktheriya
Ama-pickle we-vinegar (ngokungafani nama - pickle ase -lacto-fermented ) athembele ngokuyinhloko kwi-acidity yeviniga ukuze abulale amabhaktheriya ayingozi futhi alondoloze ukudla.
I-logic ngemuva kokuthi "ungalokothi usebenzise uviniga okwenziwe ngamakhekhe" ukuthi awunayo indlela yokwazi ukuthi uviniga wakho owenziwe kahle kangakanani. Kodwa kukhona indlela, futhi kulula ukuyenza.
Inombolo okumele uyikhumbule i-acetic acid ayi-4.5%. Yilokho iphesenti lapho uviniga usebenza khona ngokwanele ekukhetheni zokupheka. Amagilegri amaningi ezentengiselwano anezinga eliphakeme lephesenti le-acetic acid, noma eliphakeme (lizoshiwo kule ilebula).
Ukuthola ukuthi uviniga wakho owenziwe ngokwezifiso ungama-4.5% noma uhla oluphakeme, kuzodingeka uhlele okuthile okuthiwa i-acid titration kit kusuka kumthengisi we-winemaking ekhaya. Ayithengi futhi ikhethi eyodwa izokugcina amaqoqo amaningi eviniga.
Ithidi ye-titration yokufaka ihlanganisa:
20 ml isondo
150 ml indebe yokuhlolwa epulasitiki
100 ml of liquid standard base (0.2 N sodium hydroxide)
15 ml ibhodlela le-dropper yesisombululo (phenolphthalein)
Ngenxa yokuthi uhlobo lwe-asidi oluvivinya ku-viniga alufani nalokho ewayini futhi kaningi ngezinga eliphakeme kakhulu, udinga ukulandela imiyalo ehlukene evela kulabo abaza nekithi yokuhlola iwayini.
Ukuvivinya uviniga
Ukuze uhlole uviniga wakho, sebenzisa okokuqala isirashi ukukala u-2 ml weviniga ozenzela bese uyithumela ekomelweni lokuhlola.
Engeza i-20 ml yamanzi kanye namaconsi angu-3 esisombululo se-indicator kanye noviniga nokugubha (ngisebenzisa isikhotho).
Gcwalisa i-syringe nge-10 ml we-base standard. Engeza isisekelo esivamile kuya engxenyeni yokupompa indebe 1 ml ngesikhathi, ukugqugquzela emva kokufaka ngamunye.
Ekuqaleni, uketshezi luzocaca ngemuva kokufakwa kokubili kwesisekelo esijwayelekile. Ekugcineni, kuyoba mnyama futhi iguquke. Yeka ukufaka isisekelo esimisiwe kuleli phuzu.
Lapho nje uketshezi luphendukile, bhala ukuthi usezingeni elilinganiselwe elingakanani ukuze ufinyelele kulelo phuzu. Isibonelo, kusukela uqale ngo-10 ml wesisekelo esijwayelekile, uma usu-2 ushiye ngemuva kokungeziwe okwenza isampula yokuhlola ishintshe umbala, wanezela u-8 ml wesisekelo esijwayelekile.
Manje kufika izibalo ezincane. Yandisa inani lezigidigidi ze-base standard ongeziwe ngu-0.6. Umphumela uba iphesenti ye-acetic acid kuviniga yakho. Uma ungeze u-8 ml wesisekelo esimisiwe, isibonelo, wande 8 x 0.6 bese uthola u-4.8, noma i-acetic acid engu-4.8%.