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Aroma of wine

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of different wines, can assist in capturing more aromatics within the glass for the drinker to detect. Wines served at warmer temperature will be more aromatic than wine served cooler due to heat's ability to increase the volatility of aromatic compounds in the wine. Swirling, or aerating, the wine will increase available surface area, increasing the rate at which aroma molecules volatilize. Some subtle aromatics can be overwhelmed by more dominant aromatics that arise after swirling, so most professional tasters will sniff the wine briefly first before swirling. The closer the nose is to the wine, even right inside the glass, the greater chances of aromatics being captured. A series of short, quick sniffs versus one long inhale will also maximize the likelihood of aromatics being detected. The human nose starts to "fatigue" after around six seconds and so a pause may be needed between sniffs.
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presented with many aromas. This phenomenon, known as the "tip of the nose phenomenon", is countered when a person is given a list of possible choices, through which they can often positively identify the aroma. Professional wine tasters will often mentally cycle through a list of potential aromas (and may use visual aids like the
168:. In Burgundy, the aromas of wines are sub-divided into three categories â€“ primary, secondary and tertiary aromas. Primary aromas are those specific to the grape variety itself. Secondary aromas are those derived from fermentation. Tertiary aromas are those that develop through either bottle or oak aging. 246:
cells, each sensitive to a different aroma, pick up these compounds and transfer the information to the brain by way of the olfactory bulb. In the 1980s there was renewed focus in studying the correlation between aroma/flavor compounds in grapes and the resulting quality of wine. Scientists were able
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and non-volatile compounds that contribute to the make up of a wine's aroma. During the fermentation and for the first few months of a wine's existence, chemical reactions among these compounds occur frequently and a wine's aroma will change more rapidly during this period than at any other point. As
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The sense of smell and detecting the aromas in wine is the primary means through which wine is tasted and evaluated. Prior to tasting the wine, wine drinkers will often smell the wine in the glass. Large bowl glasses with tapered openings, some of which are specifically designed to enhance aromatics
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Sensory characteristics changes of red Grenache wines submitted to different oxygen exposures pre and post bottling. Soline Caillé, Alain Samson, Jérémie Wirth, Jean-Baptiste Diéval, Stéphane Vidal and Véronique Cheynier, Analytica Chimica Acta, 15 February 2010, Volume 660, Issues 1–2, pp. 35–42,
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to vaporize the volatile aroma compounds. These compounds are then inhaled "retro-nasally" through the back of the mouth to where it is received by nearly five million nerve cells. The average human can be trained to distinguish thousands of smells but can usually only name a handful at a time when
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where there is equal parts alcohol, acids, esters and water (a by product of the reactions). During this period the ester influenced bouquet of the wine is constantly changing due to the concentration, formulation and splitting of different esters. This is partly the reason why a wine will have one
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Study of the compounds responsible for aroma and flavour, as well as their correlation with a wine's quality, continues. As understanding of these compounds grows, there is concern that wines in the future could be "manipulated" through the use of chemical additives to add complexity and additional
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a wine ages and matures, changes and developments in aroma will continue to take place but at a slower and more gradual pace. Volatile aroma compounds are present in the skin and juice of a grape berry and will vary in composition according to the individual grape variety. It is theorized that the
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Detecting an aroma is only part of wine tasting. The next step is to describe or communicate what that aroma is and it is in this step that the subjective nature of wine tasting appears. Different individuals have their own way of describing familiar scents and aromas based on their unique
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in the formation of esters from acids and alcohols present in the wine. However, at the same time these hydrogen ions encourage esters to also split apart back into acids and alcohols. These two counterbalancing acts gradually inch a wine closer to a state of
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experiences. Furthermore, there are varying levels of sensitivity and recognition thresholds among humans of some aromatic compounds. This is why one taster may describe different aromas and flavours from another taster sampling the very same wine.
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and birds and other animals to eat the berries and disperse the seeds. The diverse spectrum of aromas associated with individual grape varieties is a reflection of the vine's adaptation to ecological conditions and competition among other plants.
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In professional wine tasting, there is generally a distinction made between "aromas" and a wine's "bouquet" while in casual wine tasting these two terms are used interchangeably. An aroma refers to the smells unique to the
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Carotenoid breakdown products the â€“ norisoprenoids â€“ in wine aroma. Maria Manuela Mendes-Pinto, Archives of Biochemistry and Biophysics, 15 March 2009, Volume 483, Issue 2, pp. 236–245,
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It is theorized that the grapevine developed aroma compounds as an evolutionary advancement to attract insects and animals to assist in pollination and dispersion of seeds.
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Smelling is an important part of wine tasting; it is thought that much of perceived taste is due to olfactory receptors at the back of the nasal cavity.
59:. The wide array of fruit, earthy, leathery, floral, herbal, mineral, and woodsy flavour present in wine are derived from aroma notes sensed by the 63:. In wine tasting, wine is sometimes smelled before taking a sip in order to identify some components of the wine that may be present. Different 1696: 400:. They have also been found to contribute to some of the varietal aromas associated with Cabernet Sauvignon, GewĂĽrztraminer, 1518: 441:
created by the reaction of acids and alcohol in the wine. Esters can develop during fermentation, with the influence of
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A common aroma associated with the grape variety GewĂĽrztraminer is that of lychee fruit.
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which generally refers to the smells that arise from the chemical reactions of
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create new smells that are known as a wine's bouquet. These can include
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The majority of volatile compounds responsible for aroma combine with
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have focused on how aroma compounds develop in the grapes during the
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are used to describe what is being smelled. The most basic term is
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to identify volatile aroma compounds in various grape varieties.
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When wine is sipped, it is warmed in the mouth and mixes with
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set of aromas at one time and other aromas later in its life.
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Some of the identified aroma compounds include the following:
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may contribute to developing desirable aromatics in the wine.
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which generally refers to a "pleasant" smell as opposed to
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responsible for the different spice notes associated with
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Third Edition pp. 273–274 Oxford University Press 2006
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which produces some of the spice notes associated with
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was found to have added illegal flavouring to their
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The 18: 1697:Clarification and stabilization of wine 112:and are most readily demonstrated in a 1785: 1500: 737: 718: 202:by attracting insects to assist with 194:vine developed these compounds as an 642:pp. 100–104 Workman Publishing 2001 94: 13: 466: 14: 1809: 781:Annual growth cycle of grapevines 699:"The Sotheby's Wine Encyclopedia" 358:aromas associated with red wine, 1760: 1468: 512: 496:University of California, Davis 453:(high acid) wines, serves as a 350:. Other norisoprenoids include 277:annual growth cycle of the vine 1526: 701:p. 10 Dorling Kindersley 2005 676:"The Oxford Companion to Wine" 652: 615:"The Oxford Companion to Wine" 583: 571:"The Oxford Companion to Wine" 548:"The Oxford Companion to Wine" 175:affects the aromatic bouquet. 1: 1723:Glossary of viticulture terms 533: 1728:Glossary of winemaking terms 179:Components of a wine's aroma 7: 505: 362:which produces some of the 354:which produces some of the 16:Olfactory sensation of wine 10: 1814: 1648:Yeast assimilable nitrogen 470: 287:Identified aroma compounds 1756: 1738:History of the wine press 1705: 1689: 1661: 1628:Sparkling wine production 1613: 1595: 1562: 1534: 1462: 1401: 1363: 1258: 1235: 1118: 1005: 993: 886: 814: 771: 731: 664:10.1016/j.abb.2009.01.008 596:10.1016/j.aca.2009.11.049 432: 226:. Through the process of 1733:Wine tasting descriptors 1454:Wine tasting descriptors 1383:Phenolic content in wine 1275:Alternative wine closure 859:Great French Wine Blight 763: 263:). In 2004, a winery in 1623:Malolactic fermentation 366:aromas associated with 271:to enhance the aroma. 215: 183:Within wine there are 104: 24: 1424:Wine and food pairing 396:that is considered a 213: 102: 22: 1075:Muscat of Alexandria 273:Viticultural studies 116:wine â€“ such as 1653:Yeast in winemaking 1605:Carbonic maceration 244:Olfactory receptors 1643:Traditional method 1444:Wine personalities 1148:Cabernet Sauvignon 528:Speyer wine bottle 336:megastigmatrienone 253:mass spectrometers 222:to form odourless 220:sugars in the wine 216: 146:phenolic compounds 130:Cabernet Sauvignon 105: 35:is limited to the 25: 1780: 1779: 1774: 1773: 1544:Late harvest wine 1494: 1493: 1231: 1230: 1128:Alicante Bouschet 876:Judgment of Paris 674:J. Robinson (ed) 613:J. Robinson (ed) 569:J. Robinson (ed) 546:J. Robinson (ed) 281:canopy management 242:aroma compounds. 236:acids in the wine 171:The technique of 95:Aroma vs. bouquet 89:aging of the wine 1805: 1765: 1764: 1521: 1514: 1507: 1498: 1497: 1473: 1472: 1388:Proteins in wine 1055:GrĂĽner Veltliner 1003: 1002: 758: 751: 744: 735: 734: 716: 715: 709: 695: 686: 672: 666: 656: 650: 636: 625: 611: 598: 587: 581: 567: 558: 544: 522: 517: 516: 352:raspberry ketone 173:microoxygenation 1813: 1812: 1808: 1807: 1806: 1804: 1803: 1802: 1783: 1782: 1781: 1776: 1775: 1770: 1767:Wine portal 1759: 1752: 1743:History of wine 1701: 1685: 1657: 1609: 1591: 1572:Deacidification 1558: 1530: 1525: 1495: 1490: 1475:Wine portal 1467: 1458: 1397: 1359: 1264: 1254: 1227: 1114: 1095:Sauvignon blanc 1030:Cayetana blanca 998: 996:grape varieties 989: 882: 810: 767: 762: 727: 713: 712: 696: 689: 673: 669: 657: 653: 637: 628: 612: 601: 588: 584: 568: 561: 545: 541: 536: 518: 511: 508: 490:, developed by 475: 469: 467:In wine tasting 435: 296:Methoxypyrazine 289: 269:Sauvignon blanc 198:tool to aid in 181: 97: 17: 12: 11: 5: 1811: 1801: 1800: 1795: 1778: 1777: 1772: 1771: 1757: 1754: 1753: 1751: 1750: 1745: 1740: 1735: 1730: 1725: 1720: 1715: 1709: 1707: 1703: 1702: 1700: 1699: 1693: 1691: 1687: 1686: 1684: 1683: 1678: 1673: 1667: 1665: 1659: 1658: 1656: 1655: 1650: 1645: 1640: 1635: 1633:Sugars in wine 1630: 1625: 1619: 1617: 1611: 1610: 1608: 1607: 1601: 1599: 1593: 1592: 1590: 1589: 1584: 1582:Chaptalization 1579: 1574: 1568: 1566: 1560: 1559: 1557: 1556: 1551: 1546: 1540: 1538: 1532: 1531: 1524: 1523: 1516: 1509: 1501: 1492: 1491: 1489: 1488: 1483: 1478: 1463: 1460: 1459: 1457: 1456: 1451: 1446: 1441: 1436: 1431: 1426: 1421: 1416: 1411: 1409:Classification 1405: 1403: 1399: 1398: 1396: 1395: 1393:Sugars in wine 1390: 1385: 1380: 1375: 1369: 1367: 1365:Wine chemistry 1361: 1360: 1358: 1357: 1352: 1347: 1342: 1340:Wine dispenser 1337: 1332: 1327: 1322: 1317: 1312: 1307: 1302: 1297: 1292: 1287: 1282: 1277: 1271: 1269: 1256: 1255: 1253: 1252: 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37:primary tastes 29:aromas of wine 15: 9: 6: 4: 3: 2: 1810: 1799: 1796: 1794: 1791: 1790: 1788: 1769: 1768: 1763: 1755: 1749: 1746: 1744: 1741: 1739: 1736: 1734: 1731: 1729: 1726: 1724: 1721: 1719: 1716: 1714: 1711: 1710: 1708: 1704: 1698: 1695: 1694: 1692: 1688: 1682: 1679: 1677: 1674: 1672: 1669: 1668: 1666: 1664: 1660: 1654: 1651: 1649: 1646: 1644: 1641: 1639: 1636: 1634: 1631: 1629: 1626: 1624: 1621: 1620: 1618: 1616: 1612: 1606: 1603: 1602: 1600: 1598: 1594: 1588: 1585: 1583: 1580: 1578: 1575: 1573: 1570: 1569: 1567: 1565: 1561: 1555: 1552: 1550: 1547: 1545: 1542: 1541: 1539: 1537: 1533: 1529: 1522: 1517: 1515: 1510: 1508: 1503: 1502: 1499: 1487: 1484: 1482: 1479: 1477: 1476: 1471: 1465: 1464: 1461: 1455: 1452: 1450: 1447: 1445: 1442: 1440: 1437: 1435: 1432: 1430: 1427: 1425: 1422: 1420: 1417: 1415: 1412: 1410: 1407: 1406: 1404: 1400: 1394: 1391: 1389: 1386: 1384: 1381: 1379: 1378:Acids in wine 1376: 1374: 1373:Aroma of wine 1371: 1370: 1368: 1366: 1362: 1356: 1353: 1351: 1348: 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Stevenson 694: 692: 685: 684:0-19-860990-6 681: 677: 671: 665: 661: 655: 649: 648:1-56305-434-5 645: 641: 635: 633: 631: 624: 623:0-19-860990-6 620: 616: 610: 608: 606: 604: 597: 593: 586: 580: 579:0-19-860990-6 576: 572: 566: 564: 557: 556:0-19-860990-6 553: 549: 543: 539: 529: 526: 525: 521: 515: 510: 503: 499: 497: 493: 489: 484: 479: 474: 464: 461: 456: 452: 448: 444: 440: 427: 423: 419: 415: 411: 407: 406:Petit Manseng 403: 399: 395: 391: 387: 383: 379: 376: 373: 369: 365: 361: 357: 353: 349: 345: 341: 337: 333: 329: 326: 323: 319: 315: 311: 307: 303: 300: 297: 294: 293: 292: 284: 282: 278: 274: 270: 266: 262: 256: 254: 250: 249:chromatograph 245: 241: 237: 233: 229: 225: 221: 212: 208: 205: 201: 197: 193: 192: 186: 176: 174: 169: 167: 163: 159: 155: 151: 147: 143: 139: 135: 131: 127: 126:black currant 123: 119: 115: 111: 110:grape variety 101: 92: 90: 86: 82: 78: 74: 70: 66: 62: 58: 54: 50: 46: 42: 38: 34: 30: 21: 1798:Wine tasting 1758: 1615:Fermentation 1466: 1449:Wine tasting 1372: 1070:Muscat blanc 1040:Chenin blanc 837:Ancient Rome 698: 675: 670: 654: 639: 614: 585: 570: 547: 542: 500: 492:Ann C. Noble 480: 476: 473:wine tasting 436: 416:, Riesling, 302:Monoterpenes 290: 265:South Africa 257: 230:, caused by 217: 196:evolutionary 189: 182: 170: 106: 85:fermentation 80: 72: 68: 33:human tongue 28: 26: 1718:Wine bottle 1690:Other steps 1681:Wine cellar 1638:SĂĽssreserve 1330:Wine cellar 1320:Wine bottle 1261:accessories 1259:Packaging, 1218:Tempranillo 847:Noah's wine 827:Phoenicians 773:Viticulture 638:K. MacNeil 520:Wine portal 488:aroma wheel 460:equilibrium 410:Pinot blanc 360:damascenone 312:. Includes 204:pollination 200:procreation 152:in an aged 57:savouriness 1787:Categories 1597:Maceration 1587:Wine press 1577:Destemming 1528:Winemaking 1434:Wine fraud 1429:Wine fault 1414:Oenophilia 1350:Wine label 1345:Wine glass 1310:Port tongs 1208:Sangiovese 1203:Pinot noir 1163:Douce noir 1090:Rkatsiteli 1035:Chardonnay 1025:Catarratto 999:by acreage 973:Biodynamic 936:Aromatized 725:winemaking 534:References 471:See also: 414:Pinot gris 404:, Muscat, 398:wine fault 382:Mercaptans 368:Pinot noir 340:Chardonnay 332:Carotenoid 228:hydrolysis 224:glycosides 162:Pinot noir 77:wine fault 45:bitterness 1549:Noble rot 1439:Winemaker 1419:Sommelier 1355:Wine rack 1335:Wine cork 1325:Wine cave 1315:Screw cap 1285:Corkscrew 1250:New World 1245:Old World 1223:Zinfandel 1198:Mourvèdre 1105:Trebbiano 1045:Colombard 946:Noble rot 926:Fortified 904:Sparkling 871:New World 418:Scheurebe 356:raspberry 344:zingerone 240:vaporized 154:Sauternes 53:sweetness 49:saltiness 1564:Pressing 1486:Glossary 1402:Industry 1295:Jug wine 1290:Decanter 1280:Box wine 1178:Isabella 1173:Grenache 1153:Carignan 1100:SĂ©millon 1085:Riesling 1080:Palomino 823:Ancient 806:Vineyard 801:Veraison 786:Oenology 506:See also 455:catalyst 447:hydrogen 426:Sylvaner 422:Semillon 384: â€“ 372:vanillin 364:rose oil 330: â€“ 318:linalool 314:geraniol 310:Riesling 251: â€“ 185:volatile 158:truffles 142:alcohols 114:varietal 41:sourness 1748:Terroir 1706:Related 1554:Vintage 1536:Harvest 1481:Outline 1305:Muselet 1267:storage 1158:Cinsaut 1133:Barbera 1060:Macabeo 1020:AligotĂ© 978:Organic 968:Natural 921:Dessert 866:Georgia 816:History 796:Terroir 791:Species 261:perfume 247:to use 232:enzymes 118:lychees 81:bouquet 1713:Winery 1676:Solera 1300:Kvevri 1188:Merlot 1183:Malbec 983:Kosher 959:Other 914:Orange 887:Styles 854:France 705:  682:  646:  621:  577:  554:  483:saliva 439:esters 433:Esters 402:Merlot 390:garlic 386:sulfur 378:Thiols 370:, and 306:Muscat 138:sugars 1663:Aging 1213:Syrah 1168:Gamay 1138:Bobal 1050:Glera 1015:AirĂ©n 1007:White 963:Table 951:Straw 941:Fruit 899:White 842:China 721:Wines 443:yeast 394:onion 348:Syrah 322:nerol 191:Vitis 160:in a 150:honey 134:acids 128:with 120:with 73:odour 69:aroma 65:terms 1793:Wine 1265:and 994:Top 909:RosĂ© 765:Wine 723:and 703:ISBN 680:ISBN 644:ISBN 619:ISBN 575:ISBN 552:ISBN 424:and 392:and 342:and 320:and 308:and 144:and 87:and 55:and 27:The 1671:Oak 1120:Red 931:Ice 894:Red 660:doi 592:doi 494:of 234:or 166:oak 156:or 124:or 1789:: 690:^ 629:^ 602:^ 562:^ 451:pH 420:, 412:, 408:, 316:, 140:, 136:, 91:. 51:, 47:, 43:, 1520:e 1513:t 1506:v 1263:, 757:e 750:t 743:v 662:: 594:: 428:. 380:/ 374:. 324:.

Index


human tongue
primary tastes
sourness
bitterness
saltiness
sweetness
savouriness
olfactory bulb
terms
wine fault
fermentation
aging of the wine

grape variety
varietal
lychees
GewĂĽrztraminer
black currant
Cabernet Sauvignon
acids
sugars
alcohols
phenolic compounds
honey
Sauternes
truffles
Pinot noir
oak
microoxygenation

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