<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0254-0223</journal-id>
<journal-title><![CDATA[Ciência e Técnica Vitivinícola]]></journal-title>
<abbrev-journal-title><![CDATA[Ciência Téc. Vitiv.]]></abbrev-journal-title>
<issn>0254-0223</issn>
<publisher>
<publisher-name><![CDATA[INIAV - DOIS PORTOS (Ex-Estação Vitivinícola Nacional)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0254-02232008000200003</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A sensory and chemical approach to the aroma of wooden aged Lourinhã wine brandy]]></article-title>
<article-title xml:lang="pt"><![CDATA[Uma abordagem sensorial e química ao aroma de aguardentes vínicas envelhecidas da Lourinhã]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caldeira]]></surname>
<given-names><![CDATA[Ilda]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[R. Bruno de]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Belchior]]></surname>
<given-names><![CDATA[A. Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Clímaco]]></surname>
<given-names><![CDATA[M. Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,INRB - Instituto Nacional de Recursos Biológicos  ]]></institution>
<addr-line><![CDATA[Dois Portos ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="A02">
<institution><![CDATA[,UTLisbon - Universidade Técnica de Lisboa Instituto Superior de Agronomia Departamento de Química Agrícola e Ambiental]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2008</year>
</pub-date>
<volume>23</volume>
<numero>2</numero>
<fpage>97</fpage>
<lpage>110</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0254-02232008000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0254-02232008000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0254-02232008000200003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[The maturation of wine brandies in wooden barrels origin many sensory and physical-chemical changes in these alcoholic beverages. This work studies the odorants in different aged brandies from Lourinhã. These brandies were analysed by gas chromatography coupled to olfactometry (GC-O). A panel taster profiled these brandies and the identified odorants were also quantified by gas chromatography coupled to a flame ionization detector (GC-FID). The GC-O results showed 29 identified odorants (alcohols, esters, acids and phenols). Some of them are proceeding from the distillate while others are extracted from the wood. The analysis of correlation between the sensory profiles and the odorant quantification pointed out the relevance of several wood compounds for the brandy aroma, namely the vanillin, volatile phenols and furanic aldehydes. These compounds presented important correlations with several olfactory attributes like vanilla, smoke, toasted, dried fruits, woody, which influence positively the quality of the brandies.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[O envelhecimento das aguardentes vínicas em vasilhas de madeira provoca alterações profundas na composição físico-química e sensorial destas bebidas. Neste trabalho são estudados os odorantes em aguardentes vínicas da região da Lourinhã envelhecidas em diferentes condições. Para o efeito recorreu-se à avaliação dos compostos odorantes por cromatografia gasosa de alta resolução acoplada à olfactometria (GC-O), à quantificação de alguns dos compostos odorantes por cromatografia gasosa de alta resolução acoplada a um detector de ionização de chama (GC-FID) e à avaliação sensorial das aguardentes. Os resultados de GC-O permitiram identificar 29 odorantes diferentes (álcoois, ésteres, ácidos e fenóis), uns originários do destilado e outros provenientes da madeira. A pesquisa de correlações entre a análise sensorial e a análise química confirmou a importância odorante de vários compostos com origem na madeira, designadamente a vanilina, os fenóis voláteis e os aldeídos furânicos. Estes compostos apresentaram importantes correlações com descritores sensoriais como a baunilha, fumo, torrado, frutos secos, madeira, os quais tem uma correlação positiva com a qualidade da aguardente.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[odorants]]></kwd>
<kwd lng="en"><![CDATA[wine brandies]]></kwd>
<kwd lng="en"><![CDATA[maturation]]></kwd>
<kwd lng="pt"><![CDATA[odorantes]]></kwd>
<kwd lng="pt"><![CDATA[aguardentes vínicas envelhecidas]]></kwd>
<kwd lng="pt"><![CDATA[envelhecimento]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="center"><b>A sensory and chemical approach to the aroma of wooden aged    Lourinh&atilde; wine brandy</b></p>     <p align="center">&nbsp;</p>     <p align="center">Ilda Caldeira<Sup>*1</Sup>, R. Bruno de Sousa<Sup>2</Sup>, A.    Pedro Belchior<Sup>1</Sup> , M. Cristina Cl&iacute;maco<Sup>1 </Sup></p>     <p align="center">&nbsp;</p>     <p align="center"><Sup>1</Sup> INRB, INIA-Dois Portos, ex-Esta&ccedil;&atilde;o    Vitivin&iacute;cola Nacional. Quinta da Almoinha, 2565-191 Dois Portos, Portugal  </p>     <p align="center"><Sup>2</Sup> Departamento de Qu&iacute;mica Agr&iacute;cola    e Ambiental, Instituto Superior de Agronomia, Universidade T&eacute;cnica de    Lisboa (UTLisbon), Tapada da Ajuda, Portugal </p>     <p align="center">*Corresponding author: Ilda Caldeira. Esta&ccedil;&atilde;o    Vitivin&iacute;cola Nacional, Quinta da Almoinha, 2565-191 Dois Portos, Portugal.    Tel.:+351261712106, Fax:+351261712426, Email: <U><a href="mailto:evn.icaldeira@mail.net4b.pt">evn.icaldeira@mail.net4b.pt</a>    </U></p>     <p align="center"><I>(Manuscrito recebido em 04.11.08 . Aceite para publica&ccedil;&atilde;o    em 12.12.08) </I></p>     <p align="center">&nbsp;</p>     <p align="center">&nbsp;</p>     ]]></body>
<body><![CDATA[<p align="center"><B>SUMMARY </B></p>     <p>The maturation of wine brandies in wooden barrels origin many sensory and physical-chemical    changes in these alcoholic beverages. This work studies the odorants in different    aged brandies from Lourinh&atilde;. These brandies were analysed by gas chromatography    coupled to olfactometry (GC-O). A panel taster profiled these brandies and the    identified odorants were also quantified by gas chromatography coupled to a    flame ionization detector (GC-FID). The GC-O results showed 29 identified odorants    (alcohols, esters, acids and phenols). Some of them are proceeding from the    distillate while others are extracted from the wood. The analysis of correlation    between the sensory profiles and the odorant quantification pointed out the    relevance of several wood compounds for the brandy aroma, namely the vanillin,    volatile phenols and furanic aldehydes. These compounds presented important    correlations with several olfactory attributes like vanilla, smoke, toasted,    dried fruits, woody, which influence positively the quality of the brandies.  </p>     <p><B>Key words</B>: odorants, wine brandies, maturation </p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p align="center"><B>RESUMO </B></p>     <p align="center"><b>Uma abordagem sensorial e qu&iacute;mica ao aroma de aguardentes    v&iacute;nicasenvelhecidas da Lourinh&atilde; </b></p>     <p>O envelhecimento das aguardentes v&iacute;nicas em vasilhas de madeira provoca altera&ccedil;&otilde;es profundas na composi&ccedil;&atilde;o f&iacute;sico-qu&iacute;mica e sensorial destas bebidas. Neste trabalho s&atilde;o estudados os odorantes em aguardentes v&iacute;nicas da regi&atilde;o da Lourinh&atilde; envelhecidas em diferentes condi&ccedil;&otilde;es. Para o efeito recorreu-se &agrave; avalia&ccedil;&atilde;o dos compostos odorantes por cromatografia gasosa de alta resolu&ccedil;&atilde;o acoplada &agrave; olfactometria (GC-O), &agrave; quantifica&ccedil;&atilde;o de alguns dos compostos odorantes por cromatografia gasosa de alta resolu&ccedil;&atilde;o acoplada a um detector de ioniza&ccedil;&atilde;o de chama (GC-FID) e &agrave; avalia&ccedil;&atilde;o sensorial das aguardentes. Os resultados de GC-O permitiram identificar 29 odorantes diferentes (&aacute;lcoois, &eacute;steres, &aacute;cidos e fen&oacute;is), uns origin&aacute;rios do destilado e outros provenientes da madeira. A pesquisa de correla&ccedil;&otilde;es entre a an&aacute;lise sensorial e a an&aacute;lise qu&iacute;mica confirmou a import&acirc;ncia odorante de v&aacute;rios compostos com origem na madeira, designadamente a vanilina, os fen&oacute;is vol&aacute;teis e os alde&iacute;dos fur&acirc;nicos. Estes compostos apresentaram importantes correla&ccedil;&otilde;es com descritores sensoriais como a baunilha, fumo, torrado, frutos secos, madeira, os quais tem uma correla&ccedil;&atilde;o positiva com a qualidade da aguardente. </p>     <p><B>Palavras-chave</B>: odorantes, aguardentes v&iacute;nicas envelhecidas,    envelhecimento </p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p>Full text only available in PDF format.</p>     <p>Texto completo dispon&iacute;vel apenas em PDF.</p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><b>REFERENCES</b> </p>     <!-- ref --><p>Artajona J., 1991. Caracterisation del roble seg&uacute;n su origen y grado de tostado, mediante la utilizacion de GC y HPLC. <I>Viticultura/Enologia Profesional</I>, <B>14</B>, 61-72. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000029&pid=S0254-0223200800020000300001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p>Belchior A.P, Caldeira I., Costa S., Lopes C., Tralh&atilde;o G., Ferr&atilde;o A.F.M., Mateus Ana M., 2001. Evolu&ccedil;&atilde;o das caracter&iacute;sticas f&iacute;sicoqu&iacute;micas e organol&eacute;pticas de aguardentes Lourinh&atilde; ao longo de cinco anos de envelhecimento em madeiras de carvalho e castanheiro. <I>Ci&ecirc;ncia Tec. Vitiv.</I>, <B>16</B>, 81-94. </p>     <p>Belchior A.P, Carvalho E.C., 1984. <I>M&eacute;todos de An&aacute;lise de Aguardentes. I. An&aacute;lise cl&aacute;ssica.</I> 33 p. EVN, Dois Portos. </p>     <p>Belchior A.P. , Mateus A. ,Canas S., Caldeira I., 2004. Prova de consumidor <I>versus </I>prova t&eacute;cnica de aguardentes velhas. <I>Ci&ecirc;ncia Tec. Vitiv. </I><B>19, </B>77-87. </p>     ]]></body>
<body><![CDATA[<p>Belchior A.P., Carvalho E.C., 1991. &Eacute;tude comparative d&acute;indicateurs pour le dosage de l&acute;acidit&eacute; totale des eaux-de-vie de vin.<I> Feuillet Vert OIV, </I><B>907</B>, 1-5. </p>     <p>Biau S., 1997. Crit&egrave;res analytiques et caract&eacute;ristiques organoleptiques des eaux-de-vie d&rsquo;Armagnac. <I>J. Sci. Tech. Tonnellerie</I>, <B>3</B>, 73-85. </p>     <p>Boidron J.N., Chatonet P., Pons M., 1988. Influence du bois sur certaines substances    odorantes des vins. <I>Conn. Vigne Vin, </I><B>22</B>, 275-294. </p>     <p>Bordeu E., Formas G., Agosin E., 2004. Proposal for a standardized set of sensory terms for Pisco, a young muscat wine distillate. <I>Am. J. Enol. Vitic</I>. <B>55</B>, 104-107 </p>     <p>Caldeira I<B>.</B> 2004.<I>O aroma de aguardentes v&iacute;nicas envelhecidas em madeira. Import&acirc;ncia da tecnologia de tanoaria</I> 238.p. Disserta&ccedil;&atilde;o para obten&ccedil;&atilde;o do grau de doutor em Engenharia Agro-Industrial, Instituto Superior de Agronomia - Universidade T&eacute;cnica de Lisboa, Lisboa. </p>     <p>Caldeira I., Belchior A.P.; Cl&iacute;maco M.C., Bruno de Sousa R., 2002. Aroma profile of portuguese brandies aged in chestnut and oak woods. <I>Anal. Chim. Acta,</I> 458, 55-62. </p>     <p>Caldeira I., Canas S., Costa S., Carvalho E., Belchior A. P., 1999. Forma&ccedil;&atilde;o de uma c&acirc;mara de prova organol&eacute;ptica de aguardentes velhas e selec&ccedil;&atilde;o de descritores sensoriais. <I>Ci&ecirc;ncia T&eacute;c. Vitiv, </I><B>14, </B>21-30. </p>     <p>Caldeira I., Cl&iacute;maco M.C., Bruno de Sousa R.; Belchior A.P., 2006a. Volatile composition of oak and chestnut woods used in brandy ageing: Modification induced by heat treatment. <I>Journal of Food Engineering </I><B>76, </B>202-211 </p>     <p>Caldeira I., Mateus A.M., Belchior A.P., 2006b. Flavour and odour profile modifications during the first five years of Lourinh&atilde; brandy maturation on different wooden barrels. <I>Anal. Chim. Acta,  </I><B>563</B>, 264-273. </p>     <p>Caldeira I., Pereira R.,  Cl&iacute;maco M.C., Belchior A.P., Bruno de Sousa R. 2004. An Improved Method For Extraction Of Aroma Compounds In Aged Brandies And Aqueous Alcoholic Wood Extracts Using Ultrasound . <I>Anal. Chim. Acta, </I><B>513</B>, 125-134. </p>     ]]></body>
<body><![CDATA[<p>Canas S., 2003.<I> Estudo dos compostos extra&iacute;veis de madeira (Carvalho e Castanheiro) e dos processos de extrac&ccedil;&atilde;o na perspectiva do envelhecimento em Enologia</I>. 303 p. Tese de Doutouramento em Engenharia Agro-Industrial, UTL-ISA, Lisboa. </p>     <p>Canas S., Leandro M.C., Spranger M.I., Belchior A.P.,1999. Low molecular weight organic compounds of chestnut wood (C<I>astanea sativa</I> L.) and corresponding aged brandies. <I>J. Agric. Food Chem.</I>, <B>47</B>, 5023-5030. </p>     <p>Carvalho A., 1998. Identifica&ccedil;&atilde;o anat&oacute;mica e caracteriza&ccedil;&atilde;o f&iacute;sica e mec&acirc;nica das madeiras utilizadas no fabrico de quartolas para produ&ccedil;&atilde;o de aguardentes velhas de qualidade-denomina&ccedil;&atilde;o Lourinh&atilde;. <I>Ci&ecirc;ncia Tec. Vitiv.</I>, <B>13</B>, 71-105. </p>     <p>Chatonnet P., 1995. <I>Influence des proc&eacute;d&eacute;s de tonnellerie et des conditions d&acute;&eacute;levage sur la composition et la qualit&eacute; des vins &eacute;l&eacute;v&eacute;s en f&ucirc;t de ch&ecirc;ne</I>. 268 p. Th&egrave;se Doctorat. UFR Institut d&acute;Oenologie, Universit&eacute; de Bordeaux II, Bord&eacute;us. </p>     <p>Cl&iacute;maco M.C., Borralho A., 1996. Influence des technologies d&acute;&eacute;levage dans les transformations des composants de l&acute;ar&ocirc;me des vins rouges. <I>In: Oenologie 95-5e Symposium international d&acute;&oelig;nologie.</I> 415-418. Lonvaud-Funel A. (ed.), TEC &amp; DOC-Lavoisier, Paris. </p>     <p>Conner J.M., Piggott J.R., Paterson A., Withers S., 1996. Interaction between    wood and distillate components in matured scotch whisky. <I>In: Flavour science</I>.    819-824. Taylor A.J., Mottram D.S. (eds.), The Royal Society of Chemistry, Cambridge.  </p>     <p>D&iacute;az Maroto M. C., Guchu E.,Castro-V&aacute;zquez L., Torres C., P&eacute;rez-Coello M.S., 2008. Aroma-active compounds of American, French,Hungarian and Russian oak woods, studied by GC-MS and GC-O <I>Flavour Fragr. J., </I><B>23</B>, 93-98 </p>     <p>Dubois P., 1989. Apport du f&ucirc;t de ch&ecirc;ne neuf &agrave; l&rsquo;ar&ocirc;me    des vins. <I>R. F. Oenol</I>.,<B> 120</B>, 19-24. </p>     <p>Eti&eacute;vant P., 1991. Wine<I>. In</I>: <I>Volatile compounds in food and beverages</I>. 483-545. Maarse H. (ed.), Marcell Dekker Inc., New York. </p>     <p>Fengel D., Wegener G., 1989. Wood. <I>Chemistry, Ultrastructure, Reactions</I>. 612 p. Walter de Gruyter &amp; C&ordm;., Berlin. </p>     ]]></body>
<body><![CDATA[<p>Ferrari G., Lablanquie O., Cantagrel R., Ledauphin J., Payot T., Fournier N., Guichard E., 2004. Determination of key odorant compound in freshly distilled Cognac using GC-O, GC-MS and sensory evaluation. <I>J. Agric. Food Chem., </I><B>52</B>, 5670-5676. </p>     <p>Genovese A., Gambuti A., Piombino P., Moio L., 2007. Sensory properties and aroma compounds of sweet Fiano Wine <I>Food Chem </I><B>103</B>, 1228-1236. </p>     <p>Grosch, W., 2001. Evaluation of the key odorants of foods by dilution experiments, aroma models and omission. <I>Chem. Senses, </I><B>26,</B> 533-545 </p>     <p>Guichard E., Fournier N., Masson G., Puech J.-L. 1995. Stereoisomers of &beta;-methyl-&gamma;-octalactone. I-Quantification in brandies as a function of wood origin and treatment of the barrels. <I>Am. J. Enol. Vitic., </I><B>46</B>, 419-423. </p>     <p>Guymon J.F., Crowell E.A., 1970. Brandy aging. Some comparisons of American and French oak cooperage. <I>Wines &amp; Vines, </I><B>1</B>, 23-25. </p>     <p>J&aacute;nacov&aacute; A., S&aacute;deck&aacute; J., Kohajdov&aacute; Z., Spanik I., 2008. The identification of aroma-active compounds in Slovak brandies using GC-sniffing, GC-MS and sensory evaluation. <I>Chomatographia </I><B>67</B>, 113-121. </p>     <p>Lablanquie O., Cantagrel R., Ferrari G., 2002. Characterisation of young Cognac spirit aromatic quality. <I>Anal. Chim. Acta</I>, <B>458</B>, 191-196. </p>     <p>Laing D.G., Panhuber H., 1979. Application of anatomical and psychophysical methods to studies of odour interactions. <I>In</I>: <I>Progress in Flavour Research</I>. 27-45. Land D.G., Nursten H.E. (eds.), Applied Science Publishers Ltd., London. </p>     <p>L&eacute;aut&eacute; R., 1990. Distillation in Alambic. <I>Am. J. Vitic. Enol</I>. <B>41</B>, 90-103. </p>     <p>L&eacute;aut&eacute; R., Mosedale J.R., Mourgues J., Puech J.-L., 1998. Barrique <I>et</I> vieillissement des eaux-de-vie. <I>In: Oenologie fondements scientifiques et technologiques</I>. 1085-1142. Flanzy C. (ed.), Collection Sci.&amp; Tech. Agr.a, New York. </p>     ]]></body>
<body><![CDATA[<p>Leclaire E., Cantagrel R., Maignial L., Snakkers G., Ferrari G., 1999. Essai de caract&eacute;risation aromatique d&acute;eaux-de-vie nouvelles de Cognac. <I>J. Intern. Sci. Vigne Vin</I>, <B>33</B>, 133-141. </p>     <p>Ledauphin J., Basset B., Cohen S., Payot T., Barillier D., 2006. Identification of trace volatiles in freshly distilled Calvados and Cognac : carbonyl and sulphur compounds. <I>J. Fd Comp. Anal</I>. <B>19</B>, 28-40. </p>     <p>Lee K.-Y.M., Paterson A., Piggott J.R., 2000. Perception of whisky flavour reference compounds by scotch distillers. <I>J. Inst. Brew., </I><B>106</B>, 203-208. </p>     <p>Lehtonen M., 1982. Phenols in whisky. <I>Chromatographia, </I><B>16</B>, 201-203. </p>     <p>Linssen J.P.H., Janssens J.L.G.M., Roozen J.P., Posthumus M.A., 1993. Combined gas chromatography and sniffing port analysis of volatile compounds of mineral water packed in polyethylene laminated packages. <I>Food Chemistry</I>, <B>46</B>, 367-371. </p>     <p>Maga J.A., 1985. Flavor contribution of wood in alcoholic beverages. <I>In:    Progress in flavour research 1984. </I>409-416. Adda J. (ed.), Elsevier, Amsterdam.  </p>     <p>March&eacute; M., Joseph E., Goizet A., Audebert J., 1975. &Eacute;tude th&eacute;orique sur le Cognac, sa composition et son vieillissement naturel en f&ucirc;ts de ch&ecirc;ne. <I>R. F. Oenol</I>., <B>57</B>, 1-17. </p>     <p>Nyk&auml;nen L., Nyk&auml;nen I., 1991. Distilled beverages. <I>In: Volatile compounds in food and beverages</I>. 547-580. Maarse H. (ed.), Marcell Dekker Inc., New York. </p>     <p>Nyk&auml;nen L., Suomalainen H., 1983. Evaluation of flavour <I>In: Aroma of beer, wine and distilled alcoholic beverages</I>. 1-3. Nykanen L., Suomalainen H. (eds.), D. Reidel Pulbishing Company, Dordrecht, Holland. </p>     <p>OIV, 1994<I>. Recueil des m&eacute;thodes internationales d&acute;analyse des boissons spiritueuses, des alcools et de la fraction aromatiques des boissons.</I> 85-90, 224-239. OIV, Paris. </p>     ]]></body>
<body><![CDATA[<p>Onishi M., Crowell E.A, Guymon J.F., 1978. Comparative composition of brandies from Thompson Seedless and three white-wine grape varieties. <I>Am. J. Enol. Vitic</I>., <B>29</B>, 54-59. </p>     <p>Onishi M., Guymon J.F., Crowell E.A., 1977. Changes in some volatile constituents of brandy during aging. <I>Am. J. Enol. Vitic</I>., <B>28</B>, 152-158. </p>     <p>Otsuka K., Imai S., Sanbe M., 1966. Studies on the mechanism of aging of distilled liquors. <I>Agr. Biol. Chem., </I><B>30</B><I>,</I>1191-1195. </p>     <p>Pen&atilde; y Lillo M., Latrille E., Casaubon G., Agosin E., Bordeu E., Martin N., 2005. Comparison between odour and aroma profiles of Chilean Pisco spirit. <I>Food Qual. Pref., </I><B>16</B>, 59-70. </p>     <p>Philips R.J., 1989. Qualitative and quantitative analysis. <I>In: High resolution gas chromatography (3rd edition)</I>. 1-11.  Hyver K.J., Sandra P. (eds), Hewlett-Packard, Co </p>     <p>Piggott J.R., Conner J.M., Clyne J., Paterson A., 1992. The influence of non-volatile constituents on the extraction of ethyl esters from brandies. <I>J. Sci. Food Agric.</I>, <B>59</B>, 477-482. </p>     <p>Piggott J.R., Jardine S.P., 1979. Descriptive sensory analysis of whisky flavour. <I>J. Inst. Brew., </I><B>85</B>, 82-85. </p>     <p>Pollien P., Ott A., Montignon F., Baumgartner M., Munoz-Box R., Chaintreau A., 1997. Hyphenated headspace-gas chromatography-sniffing techniques: Screening of impact odorants and quantitative aromagram comparisons. <I>J. Agric. Food Chem</I>., <B>45</B>, 2630-2637. </p>     <p>Puech J.-L., Leaut&eacute; R., Clot G., Nomdedeu L., Mondi&eacute;s H., 1984. &Eacute;volution de divers constituants volatils et ph&eacute;noliques des eauxde-vie de cognac au cours de leur vieillissement. <I>Sci. Aliments</I>, <B>4</B>, 65-80. </p>     <p>Puech J.-L., Lepoutre J.P., Baumes R., Bayonove C., Moutounet M., 1992. Influence    du thermotraitement des barriques sur l&acute;&eacute;volution de quelques composants    issus du bois de ch&ecirc;ne dans les eaux-de-vie. <I>In</I>: <I>Elaboration    et connaissance des spiritueux</I>. 583-588. Cantagrel R. (ed.), TEC &amp; DOC-Lavoisier    e BNIC, Cognac. </p>     ]]></body>
<body><![CDATA[<p>Puech J.-L., Maga J., 1993. Influence du br&ucirc;lage du f&ucirc;t sur la composition des substances volatiles et non volatiles d&acute;une eaude-vie. <I>Revue des &OElig;nologues</I>, <B>12</B>, 13-16. </p>     <p>Quaresma H.C., 2000. Evolu&ccedil;&atilde;o da composi&ccedil;&atilde;o fen&oacute;lica de uma aguardente <I>Lourinh&atilde;</I> ao longo dos primeiros quatro anos de envelhecimento. Est&aacute;gio de fim de curso, do Curso de Bacharelato em Tecnologia do Vinho, do Instituto Polit&eacute;cnico de Santar&eacute;m. </p>     <p>Rabier Ph., Moutounet M., 1991. &Eacute;volution d&lsquo;extractibles de bois de ch&ecirc;ne dans une eau-de-vie de vin. Incidence du thermotraitement des barriques. <I>In: Les eaux de vie traditionelles d&lsquo;origine viticole</I>. 220-230. Bertrand A.(ed.), TEC &amp; DOC-Lavoisier, Paris. </p>     <p>Rijke D., Heide R., 1983. Flavour compounds in rum, cognac and whisky. <I>In:    Flavour of distilled beverages. </I>192-201. Piggott J.R. (ed.), Ellis Horwood    Limited, West Sussex, England. </p>     <p>Smedt P., Liddle P.A., 1978. Identification of 1,1&acute;-diethoxypropan2-one in spirits aged in wood. <I>Am. J. Enol. Vitic</I>., <B>29</B>, 286-288. </p>     <p>ter Heide R., De Valois P.J., Visser J., Jaegers P.P., Timmer R., 1978. Concentration and identification of trace constituents in alcoholic beverages. <I>In: Analysis of foods and beverages. Headspace techniques</I>. 249-281. Academic Press Inc., New York. </p>     <p>van Ruth S., 2001. Methods for gas chromatography-olfactometry: a review. <I>Biomol. Engineer</I>, <B>17</B>, 121-128. </p>     <p>Vanderlinde R., Bertrand A., Segur M.C., 1992. Dosage des ald&eacute;hydes dans les eaux-de-vie. <I>In: &Eacute;laboration et connaissance des spiritueux</I>. 506-511. Cantagrel R. (ed.), TEC &amp; DOC-Lavoisier, Cognac. </p>     <p>V&aacute;squez-Ara&uacute;jo L., Enguix L., Verd&uacute; A., Garc&iacute;a-Garc&iacute;a E., Carbonell-Borrachina A.A., 2008. Investigation of aromatic compounds in toasted almonds used for the manufcature of <I>turr&oacute;n. Eur Food Res. Technol. </I><B>227</B>, 243-254. </p>     <p>Vidal J.P., Estreguil S., Snakkers G., Cantagrel R., 1996. Optimisation de    l&acute;analyse des compos&eacute;s soufr&eacute;s volatils des vins et des    eaux de vie par la technique de l&acute;espace de t&ecirc;te. <I>In</I>: <I>Oenologie    95 - 5&acute;Symposium International d&acute;Oenologie</I>. 587-592. Lonvaud-Funel    A. (ed.), TEC &amp; DOC-Lavoisier, Paris. </p>     ]]></body>
<body><![CDATA[<p>Viriot C., Scalbert A., Lapierre C., Moutounet M., 1993. Ellagitannins and lignins in aging of spirits in oak barrels. <I>J. Agric. Food Chem</I>., <B>41</B>, 1872-1879. </p>     <p>Zea L., Moyano L., Moreno J.A., Medina M., 2007. Aroma series as fingerprints for biological ageing in fino sherry-type wines. J. Sci. Fd. Agric., <B>87,</B> 2319-2326 </P >     ]]></body><back>
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<surname><![CDATA[Artajona]]></surname>
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<article-title xml:lang="es"><![CDATA[Caracterisation del roble según su origen y grado de tostado, mediante la utilizacion de GC y HPLC.]]></article-title>
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</ref-list>
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