Study on elaboration of method for evaluation of chitosan content in product of Pokysan demic cream
- Author:
Nguyen Thi Ngoc Tu
- Publication Type:Journal Article
- Keywords:
Chitosan
- MeSH:
Chitosan;
Evaluation Studies;
Laboratories
- From:Pharmaceutical Journal
2003;325(5):24-25
- CountryViet Nam
- Language:Vietnamese
-
Abstract:
One method to determine the content of chitosan present in Pokysan cream has been developed. Chitosan was separated from Pokysan by dissolving the cream in acidic solution, extracted by chemical mixtures of I and II, which were prepared by laboratory of polymers in medico – pharmacy, and then collecting the precipitate of chitosan in the alkaline medium. This precipitate was then qualified by Lugol reagent and IR spectra. Collected chitosan precipitate was also qualified and quantified. These results proved that chitosan has been included in Pokysan cream and our method is confident
