Search Results - "Chaves das Neves, H J"

Complementary Use of Hyphenated Purge-and-Trap Gas Chromatography Techniques and Sensory Analysis in the Aroma Profiling of Strawberries (Fragaria ananassa) by Gomes da Silva, Marco D. R, Chaves das Neves, Higuinaldo J

“…The aroma compositions of Fragaria ananassa varieties are assessed by purge-and-trap high-resolution gas chromatography. Gas chromatography/mass spectrometry…”
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Capillary gas chromatography of amino acids, including asparagine and glutamine: sensitive gas chromatographic-mass spectrometric and selected ion monitoring gas chromatographic-mass spectrometric detection of the N,O(S)-tert.-butyldimethylsilyl derivatives by Chaves Das Neves, H J, Vasconcelos, A M

“…Amino acids and the amino acid amides glutamine and asparagine can be simultaneously derivatized to the corresponding N,O(S)-tert.-butyldimethylsilyl…”
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Differentiation of ten pine species from central portugal by monoterpene enantiomer-selective composition analysis using multidimensional gas chromatography by GOMES DA SILVA, M. D. R, MATEUS, E. P, MUNHA, J, DRAZYK, A, FARRALL, M. H, PAIVA, M. Rosa, CHAVES DAS NEVES, H. J, MOSANDL, A

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Characterization of elementary wines of Vitis vinifera varieties by pattern recognition of free amino acid profiles by Vasconcelos, Ana Maria P., Chaves das Neves, Higuinaldo J.

“…The free amino acid compositions of 42 elementary wines obtained from eight Portuguese Vitis vinifera varieties were studied over a 7-year period. The wine…”
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Recognition of vinification technology through gas chromatographic data on enantiomeric purity of free amino acids by Chaves das Neves, H. J., Noronha, J. P.

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On the application of supercritical fluid extraction to the deacidification of olive oils by Goncalves, M. (Universidade Nova de Lisboa, Monte da Caparica, Portugal), Vasconcelos, A.M.P, Gomes de Azevedo, E.J.S, Chaves das Neves, H.J, Nunes da Ponte, M

“…A recent suggestion on the applicability of supercritical fluid extraction to the deacidification of olive oils of high acid content was based on solubility…”
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Amino acid profiling using HRGC-FTIR oftert.-Butyldimethylsilyl derivatives by Chaves das Neves, H. J., Vasconcelos, A. M. P.

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Bioequivalence assessment of diltiazem preparations by means of discriminant analysis of data from solid-phase extraction and liquid chromatography by Chaves das Neves, H J, Gomes da Silva, M D, Rocha, M P

“…A solid-phase extraction technique for sample clean-up coupled with a new LC procedure is reported for the assay of diltiazem in plasma. The use of disposable…”
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Identification of a spathe regreening factor in Zantedeschia aethiopica by Chaves das Neves, H J, Pais, M S

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