Xim liab ntawm daim tawv nqaij txiv hmab
Cov xim liab ntawm daim tawv txiv hmab, tseem hu ua cov kua txiv hmab tawv, yog cov xim ntuj uas muaj anthocyanin los ntawm cov txiv hmab pomace - cov tawv txiv hmab seem tom qab kua txiv hmab lossis ua cawv. Cov txheej txheem tsim khoom suav nrog kev tshem tawm cov noob thiab cov khoom tsis huv ntawm cov pomace, ua raws li kev rho tawm nrog dej lossis ethanol qib zaub mov, kev lim dej, kev sib xyaw, thiab lwm yam kauj ruam ua kom huv.
Qee cov khoom raug ua tiav ntxiv rau hauv cov hmoov los ntawm kev tsuag kom qhuav nrog kev ntxiv cov khoom siv xws li maltodextrin. Nws cov khoom tseem ceeb suav nrog anthocyanin glucosides xws li malvidin, peonidin, delphinidin, thiab petunidin-3'-glucoside, nrog rau flavonoids. Cov tshuaj no tsis yog tsuas yog txiav txim siab nws cov xim muaj peev xwm tab sis kuj pab txhawb rau nws cov khoom antioxidant.
Cov khoom siv physicochemical ntawm cov xim liab-tawv txiv hmab yog qhov sib txawv: nws cov tsos yog xim liab tob mus rau xim av-liab hmoov, nrog rau cov kua thiab cov ntawv nplaum kuj muaj, nrog rau qhov tsw ntxhiab me ntsis. Nws yaj tau zoo heev hauv dej, ethanol, propylene glycol, thiab lwm yam kuab tshuaj tab sis tsis yaj hauv cov rog, roj, thiab ethanol kiag li. Nws cov xim yog pH-nyob ntawm - qhia txog qhov ruaj khov, ci liab mus rau xim av-liab hauv qab cov xwm txheej acidic, hloov mus rau xiav hauv qhov chaw nruab nrab, thiab hloov mus rau ntsuab tsis ruaj khov hauv cov chaw alkaline.
Tsis tas li ntawd xwb, nws muaj kev tiv taus lub teeb thiab cua sov tsawg; kev raug lub teeb ci ntsa iab lossis kub heev ntev tuaj yeem ua rau xim ploj mus. Yog tias muaj cov hlau ions xws li hlau thiab tooj liab, nws yuav tsaus mus rau xim av-ntsuab, thiab nws yooj yim hloov xim vim yog oxidation, nrog rau lub zog xim nruab nrab thiab tiv taus cua sov tag nrho.














