L-ascorbyl palmitate (ascorbyl palmitate), yog hu ua L-AP. Nws yog ib qho tseem ceeb derivative ntawm ascorbic acid, fat-soluble antioxidant. Vim hais tias ntawm qhov ntev hydrophobic alkyl saw nyob rau hauv lub molecule, nws cov roj solubility yog nce thiab nws daim ntawv thov ntau yam nyob rau hauv cov zaub mov yog dav. L-AP yog cov khoom noj muaj txiaj ntsig zoo, muaj txiaj ntsig zoo thiab ntsuab ntxiv. Nws cov ntaub ntawv siv tau raws li txoj cai hauv ntau qhov chaw yog raws li hauv qab no.
Kev siv Ascorbyl Palmitate hauv Khoom Noj
1. Roj
Oxidation ntawm cov rog thiab roj thaum lub sij hawm cia khoom noj thiab kev ua haujlwm feem ntau ua rau cov khoom noj khoom haus tsis zoo. Kev poob ntawm cov as-ham hauv cov khoom muaj qhov cuam tshuam tsis zoo xws li ua kom lub neej ntev. Oxidation ntawm cov roj thiab cov rog yog cuam tshuam los ntawm tej yam ntuj tso ib puag ncig, uas tuaj yeem nrog cov ntxhiab tsw, discoloration thiab lwm yam deterioration.
L-AP yog cov roj oxidative dawb radical blocker zoo. Nws kuj tseem siv tau los ua ib qho kev sib koom ua ke rau alpha-tocopherol.
2. Cov mis nyuj
Cov mis mos mis mis hmoov feem ntau ntxiv nrog polyunsaturated fatty acids (xws li DHA, EPA, AA) los tsim cov feem ntawm cov rog. Polyunsaturated fatty acids tau yooj yim oxidized. Raws li cov catalysis ntawm cov kab hlau xws li Cu2 ntxiv thiab Fe 3 ntxiv, aldehydes nrog cov ntxhiab tsw tsw qab tau yooj yim tsim. Yog tias cov kev hloov pauv saum toj no tshwm sim hauv cov kua mis thaum lub sijhawm khaws cia, cov protein, cov vitamins thiab amino acids yuav decomposed thiab rhuav tshem, thiab cov khoom noj khoom haus yuav raug txo.
L-AP muaj cov nyhuv antioxidant zoo dua li lwm cov tshuaj antioxidants ntuj (sterols, lecithin, AA), thiab tuaj yeem ua kom lub neej ntev ntawm cov khoom siv mis nyuj los ntawm 1-2 zaug.
3. Noj qab haus huv
Kev nce ntawm lipid peroxide hauv cov ntshav yog teeb meem ntau dua rau kev tsim cov atherosclerosis dua li qhov nce ntawm cov roj cholesterol. L-ascorbyl palmitate muaj qhov tshwj xeeb lipid solubility. Nws yog tsuas yog siv los ua tib neeg antioxidant thiab khoom noj khoom haus fortifier hauv cov zaub mov noj qab haus huv.
L-AP tseem tuaj yeem tiv thaiv kev tsim cov nitrosamines, uas tuaj yeem tiv thaiv qog noj ntshav. Nws muaj cov txiaj ntsig zoo ntawm kev tiv thaiv kab mob plawv thiab cerebrovascular thiab tiv thaiv kev laus, thiab yog cov khoom noj muaj txiaj ntsig zoo.