Making Wine is Part Science and Art

There are plenty of vintners in Australia makingRed grapes are generally crushed with the skins
some of the finest wine in the world as evidencedleft intact and the juice and skins are used during
by the increasing numbers of mainland sales andfermentation.  The skins contribute to the wine
worldwide exports.  Australian wine producersqualities of flavour, appearance (eg colour) and
are making over a billion litres of wine every yearbody in red wines.  The skins and juice of red
in all six states.  The various vineyards in thewine are fermented together and this leads to
different states produce wines with interestingthe presence of the right quantity of tannins in
and unique qualities which are determined bythe wine.
climate, soil type and the wine making processWhite grapes are crushed with the skin intact, but
itself.the skin is then separated from the juice prior to
Making wine is part science and part art.  Anyonefermentation.
can grow grapes, but knowing when to pick themThoughtful Fermentation
and how to convert them into a high quality wineDuring the fermentation process alcohol is
requires experience, judgment and finesse.  Theproduced.   The amount of alcohol can be
commercial wine making process is complex fortested with scientific instruments to a precise
this reason even though the steps themselvesdegree.  The quality of the fermented wine is
may seem simple.determined by the vintner and will depend on the
Variety is the Wine Spice of Lifetype of wine being produced.
Australian wines are produced using a variety ofDuring fermentation the crushed grapes are
grapes to create everything from Chardonnay toplaced in big steel vats or oak barrels along with
Merlot.  Australia’s Shiraz wine has achievedcultured yeast.  Wine fermented in oak barrels is
global recognition and accolades for possessingoften red and the barrel itself contributes to the
unique and interesting qualities.earthy or woody flavour of the wine.  The skins
However,  there is a standard wine makingare removed from the fermented red grape
process by which all wines are made no mattermixture before filtering and bottling.  Having said
what variety of grape is used.  At a commercialthat, many white wines – especially
vineyard, the grapes are grown, crushed,Chardonnay – is also oak fermented, but they
fermented and bottled with variances inremain in the minority.
procedures found depending on which vintner youThe vintner is the person who decides when the
choose.fermentation process is complete.  During
Wine begins with grape growing of course.  Infermentation the crushed grapes will be
Australia, there are over 169,000 hectares plantedmaintained at a carefully controlled temperature. 
with commercially grown grape vines in 60After the decision has been made as to when to
recognized wine regions.  The primary winepick the grapes, the fermentation process is the
producing vineyards are found in the states ofmost critical step in the process of creating high
Victoria, New South Wales and South Australia.quality wine.
Harvesting the grapes is the first major step inQuality Can Be Bottled
the process of wine making.  Deciding when toWhen the fermentation process is deemed
pick the grapes is seen by many as  one of thecomplete, the winemaker then filters the wine so
most important decisions a vintner makes.  Themost of the grape sediment, vine particles and
grapes must be as close to their ideal state ofyeast are removed.  After filtering the wine is
ripeness as possible in order for the winemaker toready to be bottled.
produce the kind of wine desired.When you hear the term “wine aging”, it
Commercial winemakers have years ofrefers to storing the wine until it is at peak
experience when it comes to determining whencondition.  All wines improve with ages.  The
to pick grapes.  They also have experienceddegree of that improvement and the extent to
wine pickers who know how to pick the fruitwhich it can keep improving over time depends
without damaging it in the process.on many factors.  Of note in the 21st Century
Crushed to Perfectionmore and more wines are being bottled to drink
After the grapes are picked, they are cleaned innow.
preparation for crushing.  Mostly grape juiceThis is a simplified description of how wine is
makes it to a bottle of wine and there will be nomade, but serves to create a general
stems, leaves or other unwanted residues.understanding of the process and its intricaies.
Red and white grapes are crushed differently.