This is a great article from the New York Times in which Harold Mcgee and Daniel Patterson sacrifice some sacred cows in regards to the concept of terroir. I certainly recommend a read.
I think that one reason we hold so tightly onto the concept of terroir is as a dyke against the rising waters of the "International wine style". Part of what makes Burgundy so compelling is the wide range of differences one finds within such a relatively small delineated area. Once we can't tell the difference (the voice of terroir) between Gevrey and Vosne, haven't we lost something special?
May 6, 2007
Talk Dirt to Me
By HAROLD MCGEE AND DANIEL PATTERSON
It’s hard to have a
conversation about wine these days without hearing the French word
terroir. Derived from a Latin root meaning “earth,” terroir describes
the relationship between a wine and the specific place that it comes
from. For example, many will say the characteristic minerality of wines
from Chablis comes from the limestone beds beneath the vineyards
(although, when pressed, they generally admit that they’ve never
actually tasted limestone). The idea that one can taste the earth in a
wine is appealing, a welcome link to nature and place in a delocalized
world; it has also become a rallying cry in an increasingly sharp
debate over the direction of modern winemaking. The trouble is, it’s
not true.
When terroir was first associated with wine, in the 17th-century
phrase goût de terroir (literally, “taste of the earth”), it was not
intended as a compliment. Its meaning began to change in 1831, when Dr.
Morelot, a wealthy landowner in Burgundy, observed in his “Statistique
de la Vigne Dans le Département de la Côte-d’Or” that all of the
wineries in Burgundy made wine essentially the same way, so the reason
some tasted better than others must be due to the terroir —
specifically, the substrata underneath the topsoil of a vineyard. Wine,
he claimed, derived its flavor from the site’s geology: in essence,
from rocks.
In recent years, the concept that one can taste rocks and soil in a
wine has become popular with wine writers, importers and sommeliers.
“Wines express their source with exquisite definition,” asserts Matt
Kramer in his book “Making Sense of Wine.” “They allow us to eavesdrop
on the murmurings of the earth.” Of a California vineyard’s highly
regarded chardonnays, he writes, there is “a powerful flavor of the
soil: the limestone speaks.” The sommelier Paul Grieco, in his wine
list at Hearth in New York, writes of rieslings that “the glory of the
varietal is in its transparency, its ability to truly reflect the soil
in which it is grown.” In his February newsletter, Kermit Lynch, one of
the most respected importers of French wine, returns repeatedly to the
stony flavors in various white wines from a “terroirist” winemaker in
Alsace: “When he speaks of a granitic soil, the wine in your glass
tastes of it.”
If you ask a hundred people about the meaning of terroir, they’ll
give you a hundred definitions, which can be as literal as tasting
limestone or as metaphorical as a feeling. Terroir flavors are
generally characterized as earthiness and minerality. On the other
hand, wines with flavors of berries or tropical fruits and little or no
minerality are therefore assumed not to have as clear a connection to
the earth, which means they could have come from anywhere, and are
thought to bear the mark of human intervention.
If this seems confusing — especially given that wine is made from
fruit — it gets worse when you ask winemakers about how to get the
flavors from the rocks into the glass. According to them, a good
expression of terroir requires more work in the vineyards, or possibly
less; it’s the hotter climate in California that leads to its
high-alcohol, fruit-forward, terroir-less style, or possibly not; even
the oft-heard contention that a winemaker must “work with what the
vines give you” is contradicted by Ales Kristancic of Movia winery,
whose family has been making wines from vineyards on the Italy-Slovenia
border for hundreds of years. “Plants need to understand what the
winemaker wants,” Kristancic says. “Only a winery with great tradition
can make great vineyards.”
Since there’s so little consensus among winemakers about how to
foster the expression of place — what Matt Kramer calls “somewhereness”
— in their wines, what are our wine experts tasting? How can a place or
a soil express itself through wine? Does terroir really exist?
Yes, but the effects of a place on a wine are far more complex than
simply tasting the earth beneath the vine. Great wines are produced on
many different soil types, from limestone to granite to clay, in places
where the vines get just enough water and nourishment from the soil to
grow without deficiencies and where the climate allows the grapes to
ripen slowly but fully. It’s also true that different soils can elicit
different flavors from the same grape. Researchers in Spain recently
compared wines from the same clone of grenache grafted on the same
rootstock, harvested and vinified in exactly the same way, but grown in
two vineyards 1,600 feet apart, one with a soil significantly richer in
potassium, calcium and nitrogen. The wines from the mineral-rich soil
were higher in apparent density, alcohol and ripe-raisiny aromas; wines
from the poorer soil were higher in acid, astringency and applelike
aromas. The different soils produced different flavors, but they were
flavors of fruit and of the yeast fermentation. What about the flavors
of soil and granite and limestone that wine experts describe as
minerality — a term oddly missing from most formal treatises on wine
flavor? Do they really go straight from the earth to the wine to the
discerning palate?
No.
Consider the grapevine growing in the earth. It takes in elemental,
inert materials from the planet — air and water and minerals — and,
using energy captured from sunlight, turns them into a living, growing
organism. It doesn’t just accumulate the earth’s materials. It
transforms them into the sugars, acids, aromas, tannins, pigments and
dozens of other molecules that make grapes and wine delicious.
“Plants don’t really interact with rocks,” explains Mark Matthews, a plant physiologist at the University of California,
Davis who studies vines. “They interact with the soil, which is a
mixture of broken-down rock and organic matter. And plant roots are
selective. They don’t absorb whatever’s there in the soil and send it
to the fruit. If they did, fruits would taste like dirt.” He continues,
“Any minerals from the solid rock that vine roots do absorb — sodium,
potassium, calcium, magnesium, iron, a handful of others — have to be
dissolved first in the soil moisture. Most of them are essential
nutrients, and they mainly affect how well the plant as a whole grows.”
Most of the earthy and mineral aromas and flavors that we detect in
wine actually come from the interaction of the grape and yeast. Yeasts
metabolize the grape sugars into alcohol, along the way freeing up and
spinning off the dozens of aromatic chemicals that make wine more than
just alcoholic grape juice. It’s because of the yeasts that we can
catch whiffs of tropical fruits, grilled meats, toasted bread and other
things that have never been anywhere near the grapes or the wine. The
list of evocative yeast products includes an organic sulfur molecule
that can give sauvignon blancs a “flinty” aroma. And there are minor
yeasts that create molecules called volatile phenols, whose earthy,
smoky flavors have nothing to do with the soil but are suggestive of
it, especially in wines from the southern Rhone.
Grape minerals and mineral flavors are also strongly influenced by
the grower and winemaker. When a vineyard is planted, the vine type,
spacing and orientation are just a few of many important decisions.
Growers control the plant growth in myriad ways, such as pruning,
canopy management or, most obviously, irrigating and replenishing the
soil with manures or chemical fertilizers. The winemaker then makes
hundreds of choices that affect wine flavor, beginning with the
ripeness at which the grapes are harvested, and can change the mineral
content by using metal equipment, concrete fermentation tanks or
clarifying agents made from bentonite clay. Jamie Goode, a British
plant biologist turned wine writer, describes in his superbly lucid
book “Wine Science” how techniques that minimize the wine’s contact
with oxygen can increase the levels of sulfur compounds that may be
mistaken for “mineral” character from the soil.
So, if vines absorb only rock that is dissolved in water, if grape
and wine minerals are not a reflection of the rocks’ minerals, and if
earthy aromas in wine come from microbes and not the earth, do soil
minerals have any real role in wine flavor?
Hildegarde Heymann, a sensory scientist at U.C. Davis, is skeptical
about the usefulness of the terms ‘terroir” and “minerality” as they’re
used today. But she is intrigued by “minerality.” “People who talk
about minerality are describing something they perceive that’s hard to
grab on to,” she says. “My guess is that it’s a composite perception,
something like ‘creaminess’ in dairy foods. ‘Minerality’ might be a way
of describing a combination of complexity, balance and a substantial
body. We do know that mineral ions can affect wine flavor by affecting
acidity, chemical reaction rates and the volatility of aromas. And
we’re just now looking at whether they can affect the body of wine, its
‘mouth feel.’ They might.”
It’s possible, then, that soil minerals may affect wine flavor
indirectly, by reacting with other grape and yeast substances that
produce flavor and tactile sensations, or by altering the production of
flavor compounds as the grape matures on the vine.
The place where grapes are grown clearly affects the wine that is
made from them, but it’s not a straightforward matter of tasting the
earth. If the earth “speaks” through wine, it’s only after its
murmurings have been translated into a very different language, the
chemistry of the living grape and microbe. We don’t taste a place in a
wine. We taste a wine from a place — the special qualities that a place
enables grapes and yeasts to express, aided and abetted by the grower
and winemaker.
In the years following Dr. Morelot’s missive on terroir, the quality
of a wine became synonymous with the quality of the vineyard where it
originated. This meant the value of that wine was tied to the land
instead of to the winemaker, which allowed it to be handed down from
generation to generation. The French went on to codify their vineyards
into legal appellations, creating gradations within those appellations
that demarcated clear levels of quality (grand cru, first growth and so
on), the economic effects of which are felt to this day. Given that it
was landowners who benefited most, the commonly held idea of terroir —
wine as proxy for a piece of dirt — looks a lot like one of the
longest-running, most successful marketing campaigns of the modern era.
Today, it’s easy to ascribe all this terroir talk to commerce, to
the European reaction to California’s recent rise in viniculture
status. It’s been suggested that terroir is just the Old World saying
to the New: It’s the land, stupid — we have it and you don’t. But that
doesn’t explain why so many Americans have embraced the concept with
near-religious zeal. To paraphrase the great French wine historian
Roger Dion, why have so many brilliant and passionate wine
professionals been so eager to attribute solely to nature what is
actually the result of hard work by talented winemakers?
The answer lies in the complex relationship between tradition,
culture and taste. Those wine professionals have all spent vast amounts
of time and energy learning what traditional European wines taste like,
region by region, winery by winery, vineyard by vineyard. The version
of terroir that many of them hold is that those wines taste the way
they do because of the enduring natural setting, i.e., the rocks and
soil. These wines taste the way they do because people have chosen to
emphasize flavors that please them.
The pioneering French oenologist Ãmile Peynaud wrote nearly 25 years
ago: “I cannot agree with the view that ‘one accepts human intervention
(in vinification) as long as it allows the natural characteristics to
remain intact,’ since it is precisely human intervention which has
created and highlighted these so-called natural characteristics!”
Modern European views of terroir recognize that typical local flavors
are the creation of generations of growers and winemakers, shaping the
vineyard and fine-tuning the fermentation to make what they feel are
the best wines possible in their place. Typical flavors are expressions
not of nature but of culture.
But culture, unlike nature, isn’t static. It evolves in response to
shifting tastes and technological advances. Over the past 30 years, the
staid world of European winemaking has been roiled by an influx of
American consumers, led by their apostle, the writer Robert Parker. In
his reviews, Parker has brushed aside the traditional practice of
judging wine according to historical context (that is, how it should
taste), focusing instead on what’s in the bottle. His preference for
hugely concentrated, fruit-forward wines — the antithesis of
distinctive, diverse terroir wines — has dramatically changed the
economic landscape of the wine industry. Throughout the world, more and
more winemakers are making wine in the style that Parker prefers, even
in Europe, where this means abandoning distinctive local styles that
had evolved over centuries. “Somewhereness” is being replaced by
“anywhereness.”
The simplistic idea of terroir as a direct expression of nature has
become a rhetorical weapon in the fight against this trend. Kristancic
— who interrupted our interview to raise his fists and shout to the
heavens, “They’re ruining wine!” — sees an advancing wave of
homogenization that will eventually turn wine into a soulless,
deracinated commodity. Like many others, he is afraid of losing what is
special about the traditional role of wine in human life, its way of
connecting people to the land and to one another. Conjuring granite in
Alsatian rieslings and limestone in Chablis puts that connection to the
land right in the bottle, ours for the tasting.
If rocks were the key to the flavor of “somewhereness,” then it
would be simple to counterfeit terroir with a few mineral saltshakers.
But the essence of wine is more elusive than that, and far richer.
Scientists and historians continue to illuminate what Peynaud described
as the “dual communion” represented by wine: “on the one hand with
nature and the soil, through the mystery of plant growth and the
miracle of fermentation, and on the other with man, who wanted wine and
who was able to make it by means of knowledge, hard work, patience,
care and love.” “Somewhereness” is given its meaning by “someoneness”:
in our time, by the terroirists who are working hard to discover and
capture in a bottle the difference that place can make.
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