Chromatography Applications

Analysis of Capsaicin and Dihydrocapsaicin in Capsicum
Thursday, 25 April 2013

The pungent components (which are responsible for the ‘hotness’) contained in the fruit of the genus Capsicum are collectively referred to as the Capsaicinoids. Capsaicin and dihydrocapsaicin in Capsicums constitute 80 - 90% of the pungent components; these compounds are now widely used in medical products and health foods.

Semi-preparative Separation of Glycyrrhizic Acid in Glycyrrhiza
Monday, 22 April 2013

Glycyrrhiza is a known source of natural medicine belonging to the legume family (Fabaceae) and has excellent beneficial effects as an analgesic.

Semi-preparative Separation of Ginsenoside in Ginseng
Friday, 19 April 2013

Ginseng is a natural medicine derived from the araliaceae herbaceous perennial more commonly known as Asian ginseng or Korean ginseng.

Non-ionic Surfactant Analysis by Solid-phase Extraction

A non-ionic surfactant contains a hydrophilic group which does not ionize when dissolved in water and has chemical properties making it unaffected.

High Speed Analysis of Fat-soluble Vitamins by Ultra High-Performance Liquid Chromatography with Photodiode Array Detection


Vitamins are essential nutrients to all living organisms and are organic compounds required in small amounts for healthy physiological activity. 


Determination of Non-Aromatic and Aromatic Hydrocarbon Contents of Diesel Fuels by Supercritical Fluid Chromatography
Wednesday, 24 April 2013

Diesel fuel is a complex mixture of hydrocarbons including non-aromatic, mono-aromatic and poly-aromatic hydrocarbons. It is well known that the composition of these compounds governs the cetane number of fuel.

Semi-preparative Separation of Berberine in Coptis japonica
Monday, 22 April 2013

Berberine is a natural medicine derived from the flowering plant Coptis japonica and is reputed to have beneficial effects in the treatment of conjunctivitis.

Simultaneous Determination of Bile Acids Utilizing an Immobilized Enzyme Column

Bile acids have a common hydroxyl group located at the 3a position of their steroidal backbone. 3a-HSD (3a-Hydroxysteroid Dehydrogenase) is an enzyme

High Speed, High Resolution Analysis of Alkylphenones Using a Longer UHPLC Column at Elevated Pressures (120 MPa)

In UHPLC one of the problems associated with taking advantage of the increased theoretical plates and higher resolution offered by longer columns packed.

Analysis of Saccharin Sodium


The use of commercial sweeteners in the manufacture of food and drinks is strictly regulated by agencies such as the FDA. 


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