Vitamin C (Ascorbic acid) CAS: 50-81-7 Chaw Tsim Khoom Siv

Ascorbic acid siv ua antioxidant hauv cov tshuaj aqueous ntawm qhov concentration ntawm 0.01–0.1% w/v. Ascorbic acid tau siv los kho pH ntawm cov tshuaj rau kev txhaj tshuaj, thiab ua ib qho adjunct rau cov kua hauv qhov ncauj. Nws kuj siv dav hauv cov khoom noj ua antioxidant. Ascorbic acid kuj tau ua pov thawj tias muaj txiaj ntsig zoo li tus neeg sawv cev ruaj khov hauv cov micelles sib xyaw uas muaj tetrazepam. Ascorbic acid feem ntau ua rau muaj cov khoom antioxidant. Nws tiv thaiv cov nroj tsuag ntawm kev ntxhov siab oxidative thiab cov tsiaj txhu los ntawm cov kab mob cuam tshuam nrog kev ntxhov siab oxidative. L-ascorbic acid feem ntau tiv thaiv los ntawm hydroxyl radicals, superoxide thiab singlet oxygen. Tsis tas li ntawd, nws kuj txo cov membrane-linked antioxidant α-tocopherol (oxidised form). L-Ascorbic acid txhim kho endothelium-dependent vasodilation hauv ntau yam kab mob, suav nrog ntshav qab zib, kab mob coronary artery, ntshav siab thiab mob plawv tsis ua haujlwm ntev.