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, …

The contents of gallic acid, epigallocatechin gallate, epigallocatechin, epicatechin, epicatechin
gallate, catechin, caffeine, teophylline, and theobromine were determined in a set of 45 …

The fatty acid contents of coffee lipid extracts have been determined by capillary gas
chromatography. Ten fatty acids were considered: myristic (C14:0), palmitic (C16:0), palmitoleic (…

Arabica and robusta green coffee varieties have been differentiated by using pattern recognition
procedures. Chlorogenic acid, caffeine, trigonelline, aqueous extract, amino acids and …

In the present paper, a study on the characterisation of beer samples according to their
mineral content has been carried out. Zn, P, B, Mn, Fe, Mg, Al, Sr, Ca, Ba, Na and K were …

A method for the determination of 2-furaldehyde (F) and 5-hydroxymethyl-2-furaldehyde (HMF)
in alcoholic beverages by high performance liquid chromatography (HPLC) is described. …

In this paper the differentiation of silver, gold, aged and extra-aged tequila and mezcal has
been carried out according to their metal content. Aluminum, barium, calcium, copper, iron, …

Multivariate analysis in combination with pattern recognition procedures has been applied
to samples of green and black tea. Discriminant analysis has been used for classification …

The composition of volatile components of subcutaneous fat from Iberian pig has been
studied. Purge and trap gas chromatography−mass spectrometry has been used. The …

A spectrophotometric method for determining sucrose is proposed. Sucrose is hydrolyzed
by invertase into glucose and fructose. Then, glucose is oxidized in presence of glucose …