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| **Please read first our specific [[faq|FAQ]] on how to edit pages.**\\ | **Please read first our specific [[faq|FAQ]] on how to edit pages.**\\ | ||
| - | **Important: if you have any question regarding these pages, please check our [[contact|Contact Info]]**\\ \\ The goal of this wiki is to share information about the premature oxidation of white burgundy wines. The idea for this wiki was submitted by Charles Smith in a discussion thread on the Mark Squires' wine bulletin board on the E-Robert Parker website. A lot of background information can be found in a [[http://dat.erobertparker.com/bboard/Default.aspx?ReturnUrl=%2fbboard%2fshowthread.php%3ft%3d162&t=162|long-running thread on premature oxidation]] (if you still have access to it).\\ \\ In practical terms, our aim is to build progressively a list of specific wines / producers / vintages that have displayed this problem. The minimum entry would be to give full information about the wine. More elaborate entries could contain e.g. a ratio of bottles oxidised / bottles opened for a specific wine, or information about yields or winemaking techniques for each producer. Since many people think that corks take a central role in this issue, it might also be worthwile noting whether the cork was bleached and whether there was a light blue tinge where the wine touched the cork.\\ \\ //**Please contribute; this board is only valuable if people continue to contribute notes about their experiences;** **it's [[faq|really easy]]! Also, please add your name at the end of each post.**//\\ \\ | + | **Important: if you have any question regarding these pages, please check our [[contact|Contact Info]]**\\ \\ The goal of this wiki is to share information about the premature oxidation of white burgundy wines. The idea for this wiki was submitted by Charles Smith in a discussion thread on the Mark Squires' wine bulletin board on the E-Robert Parker website. A lot of background information can be found in a [[http://dat.erobertparker.com/bboard/Default.aspx?ReturnUrl=%2fbboard%2fshowthread.php%3ft%3d162&t=162|long-running thread on premature oxidation]] (if you still have access to it).\\ \\ In practical terms, our aim is to build progressively a list of specific wines / producers / vintages that have displayed this problem. The minimum entry would be to give full information about the wine. More elaborate entries could contain e.g. a ratio of bottles oxidized / bottles opened for a specific wine, or information about yields or winemaking techniques for each producer. Since many people think that corks take a central role in this issue, it might also be worthwhile noting whether the cork was bleached and whether there was a light blue tinge where the wine touched the cork.\\ \\ //**Please contribute; this board is only valuable if people continue to contribute notes about their experiences;** **it's [[faq|really easy]]! Also, please add your name at the end of each post.**//\\ \\ |
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| ==== News & Vintage Tastings ==== | ==== News & Vintage Tastings ==== | ||
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| === A SIGNIFICANT SHARE OF WHITE BURGUNDY IS NOW BEING BOTTLED UNDER DIAM CLOSURES; SOME PRODUCERS ARE INCREASING CORK DIAMETER AND USING LONGER CORKS === | === A SIGNIFICANT SHARE OF WHITE BURGUNDY IS NOW BEING BOTTLED UNDER DIAM CLOSURES; SOME PRODUCERS ARE INCREASING CORK DIAMETER AND USING LONGER CORKS === | ||
| - | [**Updated June 10, 2022**] Beginning with the 2007 vintage, several producers have abandoned natural cork and switched to DIAM closures. With the 2014 whites now being released, switching to DIAM closures from natural cork has become a strong trend and there is now a significant amount of the white burgundy market where the bottles have DIAM cork closures.\\ \\ DIAM closures are considered "technical closures" and are made from agglomerated cork (which is ground into fine pellets, sifted to a uniform consistency and then glued with a food-grade binder.) Champagne corks are made in this way. DIAM has a patented process in which the cork pellets are treated with CO2 under temperature and pressure in order to remove TCA. DIAM has some sort of "guarantee" to the producers against cork taint, the mechanical details of which are unclear to me at this writing. DIAM also claims that its closures provide very tightly controlled long-term oxygen transmission rates which are far more uniform from bottle to bottle than natural cork. There is laboratory data which seems to support this claim.\\ \\ In Europe DIAM was initially marketing three grades of DIAM corks DIAM-5, DIAM-10 and DIAM-15. Starting with the 2013 vintage, there is a new DIAM-30 model. (It's not clear, but DIAM-15 is apparently no longer in the portfolio.) These numbers correlate with the time period for which the wines are allegedly guaranteed against premature oxidation. (Again the details of this "guarantee" are unclear to me. The guarantee supposedly runs only to the producer/brand owner.) DIAM is offering the corks in two lengths, a standard length and new longer "grand cru" cork.\\ \\ | + | [**Updated October 30, 2023**] Beginning with the 2007 vintage, several producers have abandoned natural cork and switched to DIAM closures. With the 2014 whites now being released, switching to DIAM closures from natural cork has become a strong trend and there is now a significant amount of the white burgundy market where the bottles have DIAM cork closures.\\ \\ DIAM closures are considered "technical closures" and are made from agglomerated cork (which is ground into fine pellets, sifted to a uniform consistency and then glued with a food-grade binder.) Champagne corks are made in this way. DIAM has a patented process in which the cork pellets are treated with CO2 under temperature and pressure in order to remove TCA. DIAM has some sort of "guarantee" to the producers against cork taint, the mechanical details of which are unclear to me at this writing. DIAM also claims that its closures provide very tightly controlled long-term oxygen transmission rates which are far more uniform from bottle to bottle than natural cork. There is laboratory data which seems to support this claim.\\ \\ In Europe DIAM was initially marketing three grades of DIAM corks DIAM-5, DIAM-10 and DIAM-15. Starting with the 2013 vintage, there is a new DIAM-30 model. (It's not clear, but DIAM-15 is apparently no longer in the portfolio.) These numbers correlate with the time period for which the wines are allegedly guaranteed against premature oxidation. (Again the details of this "guarantee" are unclear to me. The guarantee supposedly runs only to the producer/brand owner.) DIAM is offering the corks in two lengths, a standard length and new longer "grand cru" cork.\\ \\ |
| - | **NOTE: On the wines listed below, with rare exception, I have not listed producers utilizing DIAM closures on only selected wines in their portfolio - because that is generally not of much help.**\\ \\ Domaine William Fevre began bottling a portion of its Chablis (the 1ers) with DIAM in 2007. Starting in 2009, all of the Fevre production except for the grand cru Chablis moved to Diam.\\ \\ Beginning with the 2009 vintage, additional producers begin using DIAM closures. Bouchard Pere et Fils (Bouchard and Fevre have common ownership) moved all of their whites to DIAM beginning with the 2009 vintage. Domaine Montille, Deux Montille, and Domaine de Chateau de Puligny Montrachet (all related brands), along with Javillier and Roger Belland have bottled all of their white wines under DIAM starting with the 2009 vintage. \\ \\ F&L Pillot joined the DIAM parade with the 2010 vintage and Fevre began bottling all of their grand cru Chablis with DIAM corks.\\ \\ In the 2011 vintage, Jadot, Domaine de Bellene (and Roche de Bellene), Guffens-Heynen, and Droin (in Chablis) began using DIAM for all of their white wines.\\ \\ Starting with the 2012 vintage, Olivier Leflaive and Jean-Marc Brocard in Chablis began bottling all of their whites under DIAM closures.\\ \\ Starting with the 2013 vintage, Lafon, Prieur, Maison Harbour and Chanson began using DIAM for all of their whites (except, in Lafon's case, the entry level Macon that is sold in Australia, which is bottled under screw cap). Lafon is using DIAM 30 (intended to be used for wines intended for 30 or more years of bottle age). Prieur is using DIAM 10 for the village and premier cru wines and DIAM 30 for the grand crus. Chanson began using the new DIAM 30 on all of Chanson's top wines. Bouchard Pere also immediately started using the new DIAM 30 for all of its whites when they became available.\\ \\ Starting with the 2014 vintage, Domaine Leflaive is bottling all of their wines with the new DIAM 30 corks. Daniel Dampt is bottling 90% of their production under DIAM. According to Dampt, the remainder are being bottled either under screwcap or natural cork, depending on the importer's preference. Chablis producers Sebastian Dampt and Vincent Dampt are also bottling their wines with DIAM but I do not have confirmed inception dates.\\ \\ Starting with the 2015 vintage, Heitz-Lochardet and Domaine Vocoret et Fils (Chablis) bottled all of their wines under DIAM. Jean Collet (Chablis) began bottling all of its wines under DIAM (//except for wines imported by Kermit Lynch//).\\ \\ Starting with the 2016 vintage, Marc Colin are bottling their whites under DIAM 30. Louis Moreau (Chablis) is bottling all of their wines under DIAM.\\ \\ Starting with the 2017 vintage, Joseph Colin, Paul Pernot, Rapet and Tollot-Beaut are bottling their wines under DIAM. Christian Moreau is bottling all of their Chablis except for the Clos des Hospices cuvee under DIAM. Hubert Lamy, who had been bottling a portion of his production under DIAM was up to 80% of his production in 2017.\\ \\ Starting with the 2018 vintage, Antonin Guyon and Fabien coche are bottling all of their wines with DIAM and their top wines under DIAM 30. Long-Depaquit and Domaine de Pavillon (both owned by Bichot) are bottling their wines using either DIAM 10 or DIAM 30. Gilbert Picq and Charlene & Laurent Pinson (Chablis) and L' Domaine d'Henri were also bottling with DIAM as of this vintage.\\ \\ Starting with the 2019 vintage, Humbert Lamy's wines were 100% bottled under DIAM. Domaine Meurgey-Croses and Hugues Pavelot are also bottling exclusively with DIAM. In somewhat of an oddity, Domaine Louis Latour bottled its Chevalier Demoiselles (only) under DIAM in 2019 and 2020. \\ \\ As of the 2020 vintage, 100% of the wines from Jean Charton, Benjamin Leroux, Domaine de Lambrays and Chateau de Meursault wines are bottled under DIAM.\\ \\ Another trend that seems to be occurring among producers that continue to use natural cork is the use of longer corks (with longer bottle necks to insure a tight seal along the full length of the cork) and slightly increasing the diameter of the corks. The standard cork diameter employed in burgundy is 24 mm. Some producers, such as Sauzet, Niellon and Colin-Morey, began using 25 mm diameter corks in the same bottles (starting with the 2010 vintage) as a means of obtaining a tighter seal. This requires both greater compression force to initially seal the bottles and greater extraction force to remove them..\\ \\ | + | **NOTE: On the wines listed below, with rare exception, I have not listed producers utilizing DIAM closures on only selected wines in their portfolio - because that is generally not of much help.**\\ \\ Domaine William Fevre began bottling a portion of its Chablis (the 1ers) with DIAM in 2007. Starting in 2009, all of the Fevre production except for the grand cru Chablis moved to Diam.\\ \\ Beginning with the 2009 vintage, additional producers begin using DIAM closures. Bouchard Pere et Fils (Bouchard and Fevre have common ownership) moved all of their whites to DIAM beginning with the 2009 vintage. Domaine Montille, Deux Montille, and Domaine de Chateau de Puligny Montrachet (all related brands), along with Javillier and Roger Belland have bottled all of their white wines under DIAM starting with the 2009 vintage. [Note: Javillier subsequently stopped using DIAM for its Corton Charlemagne and perhaps other wines, so they are no longer listed below.]\\ \\ F&L Pillot joined the DIAM parade with the 2010 vintage and Fevre began bottling all of their grand cru Chablis with DIAM corks.\\ \\ In the 2011 vintage, Jadot, Domaine de Bellene (and Roche de Bellene), Guffens-Heynen, and Droin (in Chablis) began using DIAM for all of their white wines.\\ \\ Starting with the 2012 vintage, Olivier Leflaive and Jean-Marc Brocard in Chablis began bottling all of their whites under DIAM closures.\\ \\ Starting with the 2013 vintage, Lafon, Prieur, Maison Harbour and Chanson began using DIAM for all of their whites (except, in Lafon's case, the entry level Macon that is sold in Australia, which is bottled under screw cap). Lafon is using DIAM 30 (intended to be used for wines intended for 30 or more years of bottle age). Prieur is using DIAM 10 for the village and premier cru wines and DIAM 30 for the grand crus. Chanson began using the new DIAM 30 on all of Chanson's top wines. Bouchard Pere also immediately started using the new DIAM 30 for all of its whites when they became available.\\ \\ Starting with the 2014 vintage, Domaine Leflaive is bottling all of their wines with the new DIAM 30 corks. Daniel Dampt is bottling 90% of their production under DIAM. According to Dampt, the remainder are being bottled either under screwcap or natural cork, depending on the importer's preference. Chablis producers Sebastian Dampt and Vincent Dampt are also bottling their wines with DIAM but I do not have confirmed inception dates.\\ \\ Starting with the 2015 vintage, Heitz-Lochardet and Domaine Vocoret et Fils (Chablis) bottled all of their wines under DIAM. Jean Collet (Chablis) began bottling all of its wines under DIAM (//except for wines imported by Kermit Lynch//).\\ \\ Starting with the 2016 vintage, Marc Colin are bottling their whites under DIAM 30. Louis Moreau (Chablis) is bottling all of their wines under DIAM.\\ \\ Starting with the 2017 vintage, Joseph Colin, Paul Pernot, Rapet and Tollot-Beaut are bottling their wines under DIAM. Christian Moreau is bottling all of their Chablis except for the Clos des Hospices cuvee under DIAM. Hubert Lamy, who had been bottling a portion of his production under DIAM was up to 80% of his production in 2017.\\ \\ Starting with the 2018 vintage, Antonin Guyon and Fabien coche are bottling all of their wines with DIAM and their top wines under DIAM 30. Long-Depaquit and Domaine de Pavillon (both owned by Bichot) are bottling their wines using either DIAM 10 or DIAM 30. Gilbert Picq and Charlene & Laurent Pinson (Chablis) and L' Domaine d'Henri were also bottling with DIAM as of this vintage.\\ \\ Starting with the 2019 vintage, Humbert Lamy's wines were 100% bottled under DIAM. Domaine Meurgey-Croses and Hugues Pavelot are also bottling exclusively with DIAM. In somewhat of an oddity, Domaine Louis Latour bottled its Chevalier Demoiselles (only) under DIAM in 2019 and 2020. \\ \\ As of the 2020 vintage, 100% of the wines from Jean Charton, Benjamin Leroux, Domaine de Lambrays and Chateau de Meursault wines are bottled under DIAM.\\ \\ As of the 2021 vintage, Domaine Louis Michel in Chablis is bottling all of their wines under DIAM.\\ \\ Another trend that seems to be occurring among producers that continue to use natural cork is the use of longer corks (with longer bottle necks to insure a tight seal along the full length of the cork) and slightly increasing the diameter of the corks. The standard cork diameter employed in burgundy is 24 mm. Some producers, such as Sauzet, Niellon and Colin-Morey, began using 25 mm diameter corks in the same bottles (starting with the 2010 vintage) as a means of obtaining a tighter seal. This requires both greater compression force to initially seal the bottles and greater extraction force to remove them..\\ \\ |
| **LIST OF PRODUCERS USING DIAM FOR SUBSTANTIALLY ALL BOTTLINGS (and vintage of inception of complete use)**\\ \\ | **LIST OF PRODUCERS USING DIAM FOR SUBSTANTIALLY ALL BOTTLINGS (and vintage of inception of complete use)**\\ \\ | ||
| Roger Belland (2009)\\ | Roger Belland (2009)\\ | ||
| - | Samuel Billaud (2019?) (Note: grand crus remain under cork (unfortuntely)) | + | Samuel Billaud (2019?)(Note: grand crus remain under cork)\\ |
| Bouchard Pere (2009)\\ | Bouchard Pere (2009)\\ | ||
| Jean-Marc Brocard (2012)\\ | Jean-Marc Brocard (2012)\\ | ||
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| Maison Harbour (2013)\\ | Maison Harbour (2013)\\ | ||
| Heitz-Lochardet (2015)\\ | Heitz-Lochardet (2015)\\ | ||
| + | Domaine d'Henri (2018)\\ | ||
| Jadot (2011)\\ | Jadot (2011)\\ | ||
| Lafon (2013)\\ | Lafon (2013)\\ | ||
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| Domaine Leflaive (2014) [but be somewhat wary of big cut in SO2 use in 2015]\\ | Domaine Leflaive (2014) [but be somewhat wary of big cut in SO2 use in 2015]\\ | ||
| Olivier Leflaive (2012)\\ | Olivier Leflaive (2012)\\ | ||
| - | Benjamin Leroux (2020) [Note: only 20 ppm free SO2 with Diam 30]\\ | + | Benjamin Leroux (2020) [Note: only 20 ppm free SO2 with Diam 30 and excludes magnums]\\ |
| Long-Depaquit (Bichot) (2018)\\ | Long-Depaquit (Bichot) (2018)\\ | ||
| - | Duc cu Magenta (inception date unclear)\\ | + | Duc du Magenta (inception date unclear)\\ |
| Louis Michel (2021)\\ | Louis Michel (2021)\\ | ||
| Christian Moreau (2017) (2017-2019 Excludes Clos des Hospices; beginning 2020-all DIAM)\\ | Christian Moreau (2017) (2017-2019 Excludes Clos des Hospices; beginning 2020-all DIAM)\\ | ||
| Louis Moreau [Chablis] (2016)\\ | Louis Moreau [Chablis] (2016)\\ | ||
| Montille (also Deux Montille and Maison Montille) (2009)\\ | Montille (also Deux Montille and Maison Montille) (2009)\\ | ||
| - | Meurgey-Croses (2019)\\ | + | Meurgey-Croses [Macon] (2019)\\ |
| Hugues Pavelot (2019)\\ | Hugues Pavelot (2019)\\ | ||
| Domaine de Pavillon (Bichot) (2018)\\ | Domaine de Pavillon (Bichot) (2018)\\ | ||
| Paul Pernot (2017)\\ | Paul Pernot (2017)\\ | ||
| + | Gilbert Picq (2018)\\ | ||
| F&L Pillot (2010)\\ | F&L Pillot (2010)\\ | ||
| + | Charlene & Laurent Pinson [Chablis -- this is not Domaine Pinson Freres] (2018)\\ | ||
| Prieur (2013)\\ | Prieur (2013)\\ | ||
| Rapet (2017)\\ | Rapet (2017)\\ | ||
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| * [[gagnard_delagrange|Gagnard-Delagrange]] | * [[gagnard_delagrange|Gagnard-Delagrange]] | ||
| * [[genot_boulanger|Genot-Boulanger]] | * [[genot_boulanger|Genot-Boulanger]] | ||
| + | * [[Germain, Henri]] | ||
| * [[girardin_vincent|Girardin, Vincent]] | * [[girardin_vincent|Girardin, Vincent]] | ||
| * [[grivault|Grivault]] | * [[grivault|Grivault]] | ||