| Determination of ascorbic acid with o-iodosobenzoate: analysis of mixtures of ascorbic acid with methionine and cysteine or glutathione. | |
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MedLine Citation:
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PMID: 18963074 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Ascorbic acid has been determined in pure solutions, pharmaceutical preparations, food-stuffs and biological fluids by titration with o-iodosobenzoate, with visual or photometric detection of the end-point, with leuco-2,6-dichlorophenolindophenol plus potassium iodide as indicator. Cysteine and glutathione, which interfere quantitatively, are masked by cyanoethylation; the cyanoethylated product and methionine have been determined with o-iodosobenzoate in the presence of acidified potassium bromide, with Methyl Red as indicator. Procedures are given for the analysis of mixtures of ascorbic acid with sulphur-containing amino-acids. |
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Authors:
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K K Verma |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Talanta Volume: 29 ISSN: 0039-9140 ISO Abbreviation: Talanta Publication Date: 1982 Jan |
Date Detail:
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Created Date: 2008-10-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2984816R Medline TA: Talanta Country: England |
Other Details:
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Languages: eng Pagination: 41-5 Citation Subset: - |
Affiliation:
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Department of Chemistry, University of Jabalpur, Jabalpur 482001, India. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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