Citric acid yog lub ntuj los yog tshuaj pleev lub zog. Nws muaj nyob hauv ntau cov txiv hmab txiv ntoo: citrus txiv hmab txiv ntoo, cranberries, pomegranates, pineapples. Nws nquag siv hauv kev ua noj.
Kev siv cov citric acid
Citric acid, lossis E 330 (tsim qauv ntawm cov zaub mov ntim) yog ib qho khoom siv coj los ua kom zoo nrog cov qauv crystalline uas yaj rau hauv ethyl cawv thiab dej. Qhov tshuaj yeeb dej caw nyob hauv nws daim tseem yog pom hauv cov koob, txhua cov txiv ntoo thiab cov txiv ntoo, tab sis nws cov nyiaj ntau tshaj yog pom nyob rau hauv cov txiv qaub tsis muaj txiv thiab txiv hmab txiv ntoo magnolia. Niaj hnub no, citric acid yog tsim tawm los ntawm biosynthesis ntawm suab thaj, qab zib thiab kev ua haujlwm ntawm Aspergillus niger pwm. Qee yam ntawm cov khoom no tau los ntawm kev ua kom tiav los ntawm cov khoom lag luam cog.
Thawj thawj zaug ib qho khoom noj khoom haus zoo ntawm cov tshuaj citric acid tau thaum xyoo 1784 los ntawm cov kua txiv qaub los ntawm tus kws muag tshuaj-chemist Karl Scheele.
Citric acid yog dav siv hauv tshuaj, qhov twg nws tuaj yeem pom muaj nyob hauv ntau qhov chaw muag tshuaj, ntxiv rau hauv kev lag luam roj thiab rog thiab kev lag luam kho kom zoo nkauj. Citric acid yog ntxiv rau cov gels, cream, varnishes, lotions thiab foams. Cov zaub mov kev lag luam muaj txiaj ntsig qhov kev tiv thaiv no rau nws cov tshuaj lom tsawg, solubility zoo, ib puag ncig cov phooj ywg thiab zoo sib xws nrog cov tshuaj feem ntau. Tsis tas li ntawd, citric acid yog ib qho ua tsis tau tshaj tawm.
Daim ntaub ntawv ua noj ua haus
Citric acid yog cov khoom noj uas nrov heev ntxiv rau hauv kev npaj muaj ntau yam tais diav thiab tsim cov khoom noj xws li khaub noom, mis nyuj khov, qab zib, jellies, haus, kua thiab dej qab zib. Tsis tas li ntawd, nws yog siv rau cov kaus poom txiv hmab txiv ntoo thiab zaub, nrog rau kev npaj ketchups, mayonnaise, cov zaub mov kaus poom, kua ntses, jams, tiav cov cheeses, sparkling vitamins, kis las haus, dej haus qhuav thiab tonic, khov cov khoom tiav ib nrab thiab iced teas.
Citric acid yog ib qho tshuaj zoo heev uas ua kom ntev lub txee lub neej ntawm cov zaub mov muaj ntau yam.
Txhawm rau muab cov zaub mov ua noj rau lub siab nyiam, ntau tus niam tsev siv cov tshuaj citric acid, rau kev npaj cov twg ib me nyuam diav ntawm cov kua qaub nws tus kheej thiab ob rab diav dej kub. Txiv qaub kua siv lead ua kua yuav tsum tau nchuav mus rau hauv ib lub hwj thiab tau ntim nrog dej kub, tom qab ntawd muab cov hmoov sib tov kom txog thaum yaj tag thiab siv raws li qhia. Txog kev siv cov kua txiv qaub qhuav, 4 g sib raug tus nqi ntawm cov kua txiv nyem tawm ntawm ib nrab-cov txiv qaub.
