| Autor: |
W, Müller-Mulot, U, Vries, C F, Bourgeois, P R, Mainguy |
| Jazyk: |
němčina |
| Rok vydání: |
1975 |
| Předmět: |
|
| Zdroj: |
Zeitschrift fur Lebensmittel-Untersuchung und -Forschung. 159(1) |
| ISSN: |
0044-3026 |
| Popis: |
Supplemental vitamin C in mineral salt mixtures is extracted without destruction by diluted ethanol under the reducing and stabilizing protection of 2,3-dimercaptopropanol-(1) (BAL). After removal of heavy metal ions in form of mercaptides and by means of cation exchange BAL is extracted and vitamin C (ascorbic plus dehydroascorbic acid) titrated with dichlorophenolindophenol. Recovery 98-100%. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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