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Analysis of some Vitamins in some Food Products by Using High Performance Liquid Chromatographic Method HPLC

تحليل بعض الفيتامينات في بعض العينات الغذائية باستخدام طريقة الكروماتوغرافيا السائلة عالية الأداء HPLC

4223   11   546   4.0 ( 1 )
 Publication date 2014
and research's language is العربية
 Created by Shamra Editor




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spectrophotometric and chromatographic methods was used for determination of five water-soluble vitamins, including : Thiamine HCl (B1), Ascorbic acid (VC), Niacinamide (PP), Cyanocobalamin (B12), Riboflavin (B2) in this research. The conditions of chromatographic separation were reached to the vitamins with good resolution.

References used
Combs, Jr., 2008- The vitamins: fundamental aspects in nutrition and health. Elsevier Academic Press, 3rd ed. USA, 603p
BALL, G.F.M., 2006- Vitamins in foods: analysis, bioavailability, and stability. Taylor & Francis, USA, 814p
FENNEMA, O.R., 1996- Food Chemistry. Marcel Dekker, Inc., 3rd ed. USA, 1262p
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The purpose of this article is how to use HPLC technique for analysis of some vitamins. The studied vitamins are niacinamide (vit.PP), pyridoxine hydrochloride (vit.B6), riboflavin (vit.B2) and thiamine hydrochloride (vit. B1), which can be found in some Syrian pharmaceutical preparations.
The purpose of this article is how to use HPLC technique for quantitive analysis of cholesterol in some foods. The best conditions are studied for this analysis including composition of mobile phase, temperature, flow rate, the wavelength of detec tor UV-VIS, and acidity of mobile phase. The column used for cholesterol determination by this method was: C18(5μm,250x4.6mm) with injection volume of 20μL. Methanol 100% was used as mobile phase.
The possibility to develop a High-Performance Liquid Chromatographic method was studied for simultaneous determination of: Cu(II), Ni(II), Co(II), Hg(II) by using DTC as reagent. The diethyldithiocorbamate Reagent was studied by spectrophotometric Method, Unique Ionisation Constant was determined and its value.
An analytical chromatographic method for determination of total benzalkonium chloride in eye drops preparations samples containing gentamicin sulphate, tobramicin and viscous eye drops samples containing fusidic acid has been developed.

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