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Effect of Ascorbic Acid on the Degradation of Cyanocobalamin and Hydroxocobalamin in Aqueous Solution: A Kinetic Study

The degradation kinetics of 5 × 10(−5) M cyanocobalamin (B(12)) and hydroxocobalamin (B(12b)) in the presence of ascorbic acid (AH(2)) was studied in the pH range of 1.0–8.0. B(12) is degraded to B(12b) which undergoes oxidation to corrin ring cleavage products. B(12b) alone is directly oxidized to...

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書誌詳細
主要な著者: Ahmad, Iqbal, Qadeer, Kiran, Zahid, Saima, Sheraz, Muhammad Ali, Ismail, Tehmina, Hussain, Waqar, Ansari, Izhar Ahmad
フォーマット: Artigo
言語:Inglês
出版事項: Springer US 2014
主題:
オンライン・アクセス:https://ncbi.nlm.nih.gov/pmc/articles/PMC4179674/
https://ncbi.nlm.nih.gov/pubmed/24920523
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1208/s12249-014-0160-5
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