Methylxanthines are a group of phytochemicals derived from the purine base xanthine and
obtained from plant secondary metabolism. They are unobtrusively included in daily diet in …

Coffee, the one of the most popular beverages in the world, contains many bioactive
compounds especially caffeine—the natural stimulant and chlorogenic acids with …

Chlorogenic acids and caffeine are important for flavor formation as well as the health effect
of green coffee brews and its extracts. The content of these compounds was determined by …

Production of coffee beans is an important lifeline for the economy of several countries in
Latin America, Africa, and Asia. The brew from this well sought for cash crop is readily …

A simple method for the simultaneous determination of caffeine and chlorogenic acids
content in green coffee was reported. The method was based on the use of UV/Vis …

Caffeine was extracted and preconcentrated by the simple, fast and green method of
dispersive liquid–liquid microextraction (DLLME) and analysed by gas chromatography …

Herein, a boron-doped diamond (BDD) electrode that is anodically pretreated was used for
the simultaneous determination of caffeine (CAF) and chlorogenic acid (CGA) by cyclic and …

In this article a review on the recent applications of multivariate techniques for optimization
of electromigration methods, is presented. Papers published in the period from August 2007 …

Chili peppers are widely utilized in the world as savory food additives due the pungency
induced by the capsaicinoids. Also, these compounds have functional properties as …

This review article addresses recent methodological and instrumental innovations in MEKC
with emphasis on practical aspects. Like its predecessors, this review is intended to provide …