HRGC of wine free amino acids as a tool for elementary wine characterization |
| |
Authors: | Ana M. P. Vasconcelos Higuinaldo J. Chaves das Neves |
| |
Affiliation: | Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa 2825 Monte da Caparica, Portugal |
| |
Abstract: | In this paper we show that wine free amino acids derivatized as isopropyl N-heptafluorobutyryl esters can be used as a tool for wine characterization. Elementary wines of eight Vitis vinifera varieties were studied during a seven year period. The characteristic wine amino acids for each variety were assessed by means of pattern recognition techniques. A “star symbol plot” was used for graphic representation. |
| |
Keywords: | Capillary gas chromatography Pattern analysis Amino acids analysis Wine characterization |
|