1.
Rocz Panstw Zakl Hig
; 51(1): 71-7, 2000.
Article
in Polish
| MEDLINE
| ID: mdl-10846938
ABSTRACT
The conditions of chromatographic separation allowing the isolation of L-ascorbic acid from its products of decomposition and other accompanying substances in the determined pharmaceutic preparation and plant materials were established. The isolated L-ascorbic acid was signed by the extractive--spectrophotometric method using coupled redox-complexation reactions with iron(III), 1, 10 phenantroline and bromophenol blue system. The analytical procedure allowing the evaluation of durability of vitamin C in multivitamin "Vitaral" preparate was described. The procedure was used also for the evaluation of the loss of L-ascorbic acid in the parsley and lovage in the process of drying and storage.
Subject(s)
Ascorbic Acid/analysis , Chromatography/methods , Pharmaceutical Preparations/chemistry , Plants/chemistry , Spectrophotometry/methods , Humans
2.
Acta Pol Pharm
; 42(1): 37-43, 1985.
Article
in Polish
| MEDLINE
| ID: mdl-4013797