| Autor: |
Müller-Mulot W, Vries U, Bourgeois CF, Mainguy PR |
| Jazyk: |
němčina |
| Zdroj: |
Zeitschrift fur Lebensmittel-Untersuchung und -Forschung [Z Lebensm Unters Forsch] 1975 Sep 29; Vol. 159 (1), pp. 47-51. |
| DOI: |
10.1007/BF01089880 |
| Abstrakt: |
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: |
MEDLINE |
| Externí odkaz: |
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