Optimised extraction of folic acid from multivitamin-mineral preparations for liquid chromatographic analysis.
J Pharm Biomed Anal
; 23(2-3): 437-45, 2000 Aug 15.
Article
em En
| MEDLINE
| ID: mdl-10933537
ABSTRACT
Degradation of folic acid may occur during extraction of multivitamin-mineral preparations. The degradation may be caused by presence of ions such as Fe3+ and Cu2+, however, the buffer composition may also be critical. This study presents an optimised extraction procedure tested on 24 different products of multivitamin-mineral tablets. The present method yielded mean recoveries of 97% (n = 20) for folic acid and prevented degradation of folic acid in at least 24 h in extracts from multivitamin-mineral tablets.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Vitaminas
/
Preparações Farmacêuticas
/
Cromatografia Líquida de Alta Pressão
/
Ácido Fólico
Idioma:
En
Revista:
J Pharm Biomed Anal
Ano de publicação:
2000
Tipo de documento:
Article