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Tag Archives | vinification

Disgorging a sparkling wine

This is how you disgorge a sparkling wine

What? Disgorge? Simple. You put the bottle upside down in freezer liquid, you take of the temporary cork, you fill it up with a little bit of extra wine (if needed), bang in a new cork, put on the wire cage (don’t want any unintended popping do we?). And you have your finished bottle. To […]

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More expensive to produce organic wines?

Do organic wines cost more than conventionally produced wines? This has never been an easy question to answer because it is difficult to compare the prices of wines. It is easier with tomatoes and eggs. If you look at production costs however, it turns out that it is more expensive to produce an organic wine. […]

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Cultured yeast from Danish Chr. Hansen

Danish company Chr. Hansen, with headquarters on the outskirts of Copenhagen, is one of the major suppliers to the wine industry. The vast majority of wines ferment with cultured yeast (or “selected”) and often this yeast comes from Chr. Hansen. The company continually experiments to offer different types of yeast to wine producers. 2009 it […]

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Vegan friendly champagnes from Duval-Leroy and vegan friendly wines from Domaine Montirius

All champagnes from Champagne Duval Leroy will shortly be vegan friendly. This means that the champagne house will not use fining agents such as milk protein, gelatine or egg whites. Instead their wines are clarified through a natural sedimentation over several months in tanks or barrels. You don’t always find traces of these fining agents […]

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Do we want wines with lower alcohol?

We often hear comments from people that the alcohol content of today’s wines is much higher than it used to be. Today, there are techniques that can reduce the alcohol content of a wine or remove the alcohol all together. This means that a wine with a natural alcohol of 14.5 or 15% could have […]

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Oak barrels in a wine cellar in Piedmont

Oak chips without oak flavours

It is not allowed to aromatize wine. With one exception. You can age the wine in oak barrels. The oak gives flavours to the wine although many producers now claim that they are not looking for the flavours, only the gentle oxidation of the wine that you get from barrel ageing. It is also possible […]

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Too much alcohol in the wine? Change the yeast!

People sometimes complain that there is too much alcohol in wine. In a warm climate, however, it is not always easy to produce wines with lower alcohol content. When ripe grapes, rich in sugar, ferment to a totally dry wine, the alcohol level often reaches 14 or 14.5%. But now research has come one step […]

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Chaptalization or addition of concentrated grape must – a political fight

The biggest IGP appellation in France, the IGP Pays d’Oc, has allied itself with the two largest European manufacturers of concentrated grape must. Together they will fight against chaptalization and the unbalanced competition the they believe exist between the wine producers that are allowed to chaptalize (adding sugar) and the wine regions that instead add […]

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Sugar or concentrated grape must? What to put in the wine? Why?

The question of chaptalisation versus enrichment with concentrated grape must continue to stir up emotions in southern France. At the Vins IGP congress recently the producers lamented the fact that the state subsidies for enrichment with concentrated grape must has been removed. Chaptalization, meaning enrichment with regular sugar, is much cheaper, but prohibited in the […]

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Where do all the pressed grapes go?

On August 1, it will cease to be mandatory for winemakers in France to deliver their pressed skins to a distillery. This means that growers now have several options for what to do with the skins after pressing. They can either continue to send them to a distillery or they can use them as nutrients […]

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Fermentation in reverse order

Danish chemical company Chr. Hansen launches something very new just in time for the harvest 2014. This brand new something is called Viniflora NoVA and is a new generation of lactic bacteria isolated from fermenting must. The research has been done in collaboration with Professor Maret du Toit at the University of Stellenbosch in South […]

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New yeast gives lower alcohol content

The chemical company Lallemand Oenologie, in collaboration with the French Institute for Agricultural Research INRA, has through research obtained a Saccharomyces cerevisiae yeast that enables you to produce a wine with lower alcohol than normal without affecting wine quality. It should be noted that the yeast is not genetically modified. Research on yeast that produces […]

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Cold Facts: a misleading TV program on wine growing and wine making

It caused a certain brouhaha when an ”investigative” television program on wine was aired recently in Sweden, Kalla Fakta (Cold Facts). Several wine producers and wine importers appeared in the program in a way that can best be described as misleading or manipulative. The program talked about treatments in the vineyard showing as “scandalous” agricultural […]

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Choosing the right kind of yeast

An important decision for the winemaker is what kind of yeast he is going to use. First, should it be the “naturally” occurring yeast, or should he use cultured yeast? If he chooses the latter, there are many different varieties to choose from. Purists believe that the cultured yeast, adding yeast, is wrong, that it […]

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Less oak means more fruit in the wine

Sometimes it feels like every wine you drink is oaked. But the fact is that only 2% of all the world’s wines spend time in oak barrels, according to Drinks Business. And this is down from 3% in 2008. Nowadays winemakers want to stress the fruit so they reduce the time in oak and they […]

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Wine barrels and sulphuring device

Sulphur in the wine – more or less

How much sulphur to put in the wine is much discussed today. You can do without it, say some natural wine enthusiasts. Absolutely impossible to do without, say others. Most people use sulphur to some extent, to protect the wine from oxidation and against impure flavours. But sulphur is also found in wine naturally. It […]

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