Yuav ua li cas txo cov vitamin poob thaum lub sij hawm ua zaub mov noj

Poob cov vitamins thaum lub sij hawm ua zaub mov noj

Rau cov proteins, carbohydrates, rog, thiab cov zaub mov, kev ua haujlwm muaj qhov cuam tshuam me ntsis ntawm lawv cov bioavailability, thaum cov vitamins feem ntau tsis ruaj khov thiab yooj yim oxidized, decomposed, puas, lossis ploj, yog li kev ua haujlwm yuav cuam tshuam rau lawv cov khoom.Nws muaj kev cuam tshuam ntau dua;thiab nyob rau hauv cov txheej txheem ntawm kev cia khoom noj, qhov poob ntawm cov vitamins yog cuam tshuam nrog kev sib khi ntawm lub ntim ntim, lub neej txee, thiab qhov kub thiab txias.

Nyob rau hauv cov txheej txheem ntawm extrusion thiab puffing, lub inactivation ntawm cov vitamins yuav tshwm sim, poob ntawm cov rog-soluble vitamin E tuaj yeem ncav cuag 70%, thiab poob ntawm cov vitamin K tuaj yeem ncav cuag 60%;cov vitamin poob ntawm extruded tsiaj cov khoom noj kuj kuj loj heev thaum lub sij hawm cia, thiab cov poob ntawm fat-soluble vitamins yog ntau dua li cov B pab pawg neeg vitamins, vitamin A thiab vitamin D3 poob ntawm txog 8% thiab 4% ib hlis;thiab cov vitamins B poob li ntawm 2% mus rau 4% ib hlis.

Thaum lub sij hawm extrusion txheej txheem, 10% ~ 15% ntawm cov vitamins thiab pigments poob nyob rau nruab nrab.Cov vitamin retention nyob ntawm raw cov ntaub ntawv formulation, npaj thiab expansion kub, ya raws, tuav lub sij hawm, thiab lwm yam. Feem ntau, ntau ntxiv yog siv los them, thiab ruaj khov daim ntawv ntawm vitamin C kuj yuav siv tau, kom txov vitamin poob thaum lub sij hawm ua thiab cia. .

Yuav ua li cas kom txo tau cov vitamins thaum lub sij hawm ua?

1. Hloov cov qauv tshuaj ntawm qee cov vitamins kom lawv ruaj khov dua;xws li thiamine mononitrate es tsis txhob ntawm nws cov dawb puag daim ntawv, esters ntawm retinol (acetate los yog palmitate), tocopherol Hloov cawv thiab ascorbic acid phosphate nyob rau hauv qhov chaw ntawm ascorbic acid.

2. Cov vitamins yog tsim rau hauv microcapsules ua ib txoj hauv kev.Nyob rau hauv txoj kev no, cov vitamin muaj kev ruaj ntseg zoo dua thiab tuaj yeem txhim kho qhov sib txawv ntawm cov vitamin hauv cov khoom noj sib xyaw.Cov vitamins tuaj yeem emulsified nrog gelatin, starch, thiab glycerin (antioxidants feem ntau siv) los yog txau rau hauv microcapsules, ua raws li cov hmoov txhuv nplej siab.Kev tiv thaiv ntawm cov vitamin thaum lub sijhawm ua haujlwm tuaj yeem txhim kho ntxiv los ntawm kev tswj hwm ntawm microcapsules, piv txwv li los ntawm cua sov kom tawv microcapsules (feem ntau hu ua cross-linked microcapsules).Kev sib txuas sib txuas tuaj yeem ua tiav los ntawm Maillard cov tshuaj tiv thaiv lossis lwm yam tshuaj.Feem ntau ntawm cov vitamin A siv los ntawm Asmeskas cov chaw tsim khoom noj tsiaj yog cov kab sib txuas microcapsules.Rau ntau cov vitamins B, tshuaj tsuag kom qhuav yog siv los txhim kho lawv txoj kev ruaj ntseg thiab tsim cov hmoov dawb ntws.

3. Lub inactivation ntawm yuav luag tag nrho cov vitamins tshwm sim thaum lub sij hawm extrusion txheej txheem ntawm cov khoom noj tsiaj, thiab poob ntawm cov vitamins nyob rau hauv cov kaus poom zaub mov yog ncaj qha attributable rau kub thiab ua thiab lub sij hawm ntawm dawb hlau ions.Poob ntawm ziab thiab txheej (ntxiv roj los yog dipping nto ntawm cov khoom puffed qhuav) kuj yog lub sij hawm thiab kub nyob ntawm.

Thaum lub sij hawm cia, noo noo cov ntsiab lus, kub, pH thiab active hlau ions cuam tshuam qhov poob ntawm cov vitamins.Muaj cov ntaub ntawv tsis tshua muaj zog ntawm cov zaub mov xws li chelates, oxides lossis carbonates tuaj yeem txo qhov poob ntawm ntau cov vitamins piv rau cov zaub mov hauv sulfate lossis dawb daim ntawv..Hlau, tooj liab thiab zinc yog tshwj xeeb tshaj yog nyob rau hauv catalyzing Fenton cov tshuaj tiv thaiv thiab tiam ntawm dawb radicals.Cov tshuaj no tuaj yeem tshem tawm cov dawb radicals kom txo tau cov vitamin poob.Kev tiv thaiv kev noj zaub mov muaj roj los ntawm oxidation yog ib qho tseem ceeb hauv kev txo qis kev tsim cov dawb radicals hauv kev noj haus.Qhov sib ntxiv ntawm cov tshuaj chelating xws li ethylenediaminetetraacetic acid (EDTA), phosphoric acid, los yog hluavtaws antioxidants xws li di-tert-butyl-p-cresol rau cov rog tuaj yeem txo cov tiam ntawm cov dawb radicals.