The metal content of 46 tea samples, including green, black, and instant teas, was analyzed.
Al, Ba, Ca, Cu, Fe, K, Mg, Mn, Na, Sr, Ti, and Zn were determined by ICP− AES. Potassium …

A simple and fast high performance liquid chromatographic method for five catechins and
caffeine using an ODS column and a water–acetonitrile–formic acid mobile phase system …

The contents of gallic acid, epigallocatechin gallate, epigallocatechin, epicatechin,
epicatechin gallate, catechin, caffeine, teophylline, and theobromine were determined in a …

We propose a very simple and fast method for detecting Sudan dyes (I, II, III and IV) in
commercial spices, based on characterizing samples through their UV–visible spectra and …

The artificial replication of an olfactory system is currently an open problem. The
development of a portable and low-cost artificial olfactory system, also called electronic nose …

An indoor air monitoring device is one of the most prominent consumer applications of an
electronic nose (EN). Integral gas analysis similar to biogenic odor perception can be a …

Eight metals Zn, Mn, Mg, Cu, Al, Ca, Ba and K selected as chemical descriptors were
analysed by inductively coupled plasma atomic emission spectrometry. The metal profile …

The metal content of 54 commercialized wines (30 samples from Tacoronte-Acentejo DO
(class T) and 24 Valle de la Orotava DO (class O) wines) was performed by ICP-OES (Al, Ba …

The metal content of a number of sparkling wines was determined by atomic spectrometry
techniques. Al, Ba, Ca, Cu, Fe, K, Mg, Mn, Na, P, Sr and Zn by using inductively coupled …

Use and misuse of supervised pattern recognition methods for interpreting compositional
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