Tswv yim rau xaiv Vinegar:
Xyuas daim ntawv lo. Raws li lub teb chaws tus qauv, tag nrho cov ntsiab lus acid yuav tsum tau qhia nyob rau hauv daim ntawv lo ntawm vinegar. Tag nrho cov ntsiab lus ntawm cov kua qaub yog cov cim qhia ntawm vinegar; qhov siab dua cov ntsiab lus, qhov muaj zog cov qaub saj. Feem ntau, tag nrho cov ntsiab lus acid ntawm vinegar yuav tsum ntau dua los yog sib npaug rau 3.5g / 100ml.
Tshawb xyuas hnub tsim khoom; tsis txhob yuav cov khoom uas tas sij hawm.
Tshawb xyuas cov chaw tsim khoom; tsis txhob yuam kev los ntawm cov ntawv sau zoo sib xws. Cov khoom lag luam los ntawm cov cheeb tsam sib txawv tsis tas yuav sawv cev rau cov yam ntxwv ntawm cov khoom lag luam los ntawm cheeb tsam ntawd.
Saib cov xim thiab qhov tsos. Zoo zoo brewed vinegar muaj amber los yog reddish -xim xim av thiab glossy tsos. Lub ntsej muag pom tseeb, tsim nyog concentration, thiab tsis muaj teeb meem tshem tawm lossis sediment qhia qhov zoo.
Ntsim lub aroma thiab saj. Cov kua txiv hmab txiv ntoo zoo yuav tsum muaj cov yam ntxwv aroma thiab ester fragrance ntawm vinegar, tsis muaj ntxhiab tsw tsw. Nws yuav tsum muaj ib tug mellow qaub saj, ib tug ntev aftertaste, nplua nuj aroma, thiab tsis muaj astringency los yog off{2}}flavors.
Qhov txawv ntawm txoj kev
Flavor thiab Aroma: Brewed vinegar muaj txawv qaub, qab zib, umami, thiab tsw qab, nrog ib tug mellow sourness. Blended vinegar, ntawm qhov tod tes, tsis muaj cov khoom sib txawv no thiab muaj cov kua qaub ntau dua.
Xim thiab tsos: Brewed vinegar sib txawv nyob rau hauv cov xim nyob ntawm ntau yam, nrog rau tsaus xim av, brownish - daj, thiab amber. Nws muaj ib tug glossy tsos, yog ntshiab, thiab tsis muaj kev ncua los yog sediment. Thaum brewed vinegar tuaj yeem tsim huab -zoo li cov khib nyiab tom qab lub sijhawm ntev cia (qhov no tsis cuam tshuam rau nws txoj kev noj qab haus huv), cov kua txiv hmab txiv ntoo sib xyaw yog cov tshuaj aqueous ntawm acetic acid. Nws yog qhov tseeb thiab pob tshab, tab sis tsis muaj luster. Tsis zoo li brewed vinegar, nws tsis yooj yim rau pwm los yog lwj thiab yuav tsis ua pos huab los yog tsim sediment txawm tias tom qab ntev cia.
