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Wine and Its Manufacturing: From Vine to Vintage
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Wine and Its Manufacturing: From Vine to Vintage
بقلم فريق PMG Engineering
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Published
يوليو 11, 2021
Introduction: The Art and Science of Wine Making
Wine is one of the world’s oldest fermented beverages, made primarily from grapes . The process of wine manufacturing—vinification —is both a traditional craft and a modern science. At its core, it’s about transforming grape juice into alcohol through fermentation.
Yeast consumes the sugar in grapes and produces ethanol , carbon dioxide , and heat , resulting in wine.
1. Classification of Wines
Wines are broadly categorized based on fermentation method , alcohol content , and ingredients .
Still Wines Alcohol : 9–15% by volumeTypes :Red : Fermented with grape skinsWhite : Fermented without skinsRosé : From red grapes (brief skin contact), blending, or pressing
Sparkling Wines Includes Champagne (Méthode Champenoise) Undergo secondary fermentation in the bottle Categories: Brut (dry), Sec (medium), Demi-sec (sweet), Doux (very sweet)
Fortified Wines Alcohol is added to increase strength (15–22% ABV) Examples: Sherry, Port, Madeira
Aromatised Wines Infused with herbs, spices, and roots Must contain 14.5%–22% alcohol Examples: Vermouth, Barolo Chinato
2. Wine Manufacturing Process
2.1 Harvesting Done when grapes are physiologically ripe Sugar content should be 5–25% total soluble solids (TSS) Timely harvesting is critical for final quality
2.2 Crushing and Pressing Crushing converts grapes into “must” (juice + skin + seeds)Modern crushers reduce oxidation and microbial contamination Pressing separates juice from solids
2.3 Fermentation Must is fermented in temperature-controlled tanks Natural or added yeasts convert sugar into alcoholDuration: 1 to 5 weeks Small-batch = higher quality, hand-controlled Large-scale = more automated and formulaic
2.4 Clarification Removes solids through: Filtration (from coarse to sterile)Fining (using agents like bentonite or egg whites)
2.5 Aging and Bottling Wines are aged in: Stainless steel tanks Wooden barrels (barriques) Ceramic vats Bottles Aging affects flavor, mouthfeel, and color
3. Factors Affecting Wine Quality
Conclusion: Wine Making Is a Balanced Dance of Biology, Chemistry, and Tradition
From vineyard to bottle, every step in the wine manufacturing process requires:
Scientific precision Clean processing conditions Consistent quality control
Wine manufacturers looking to expand operations or enter premium, export-quality markets benefit from working with an experienced food industry consultant or food processing consultant to:
Design fermentation and aging protocols Choose equipment for artisan or automated setups Ensure FSSAI and international compliance Reduce batch variability and enhance product shelf life
PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
WINE AND IT’S
MANUFACTURING
Competent People. Smarter Work Systems. Exceptional Customer Interactions.
1
PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
1. INTRODUCTION
1. Introduction
2. Types Of Wines
3. Manufacturing Process
4. Conclusion
Competent People. Smarter Work Systems. Exceptional Customer Interactions.
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PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
1. INTRODUCTION
• Wine making is something that has been
done from thousands of years.
• Wine is an alcoholic drink typically made from
•
fermented grapes.
Yeast consumes the sugar in the grapes and
converts it to ethanol, carbon dioxide and
heat.
• Making wine is not just an art but there is also
a lot of science involved in the process.
• The process of preparation of wine is known
as vinification
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• The major classification of wines are:
2. TYPES
OF WINE
• Still Wines
• Sparkling Wines
• Fortified Wines
• Aromatised Wines
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PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
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2.1 Still Wines
The alcoholic strength may be between
9% and 15% by volume. The wines may
be:
•
Red: being fermented in contact with
grape skins from which the wine gets
its colour. Normally dry wines.
• White: usually produced from white
grapes, but the grape juice (must) is
usually fermented away from the
skins. Normally dry to very sweet.
•
Rose: made in three ways – from red
grapes fermented on the skins for up to
48 hours; by mixing red and white
wines together; or by pressing grapes
so that some colour is extracted. It may
be dry or semi-sweet.
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PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
2.2 Sparkling Wines
• The most famous is Champagne.
• This is made by the methode
champenoise (secondary fermentation
in the bottle) in an area of north-
eastern France.
• They may vary from brut (very dry),
sec (medium dry), demi-sec (medium
sweet), to doux (sweet).
2.2 Fortified Wines
• Fortified wines such as Sherry, Port
and Madeira have been
strengthened by the addition of
alcohol, usually a grape spirit.
• Their alcoholic strength may be
between 15% and 22%, by volume.
6
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PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
2.2 Aromatic Wines
• These wines are aromatized with
herbs, bark, spices, roots, etc.
• An aromatized wine must have a
minimum alcohol content of 14.5%
by volume and a maximum alcohol
content of 22% by volume.
• Most older brands come from
France and Italy but there are now
a range of small ‘craft’ producers
around the world.
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PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
3. MANUFACTURING
OF WINE
Harvesting
Crushing and
Pressing
Fermentation
Clarification
Ageing and
Bottling
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PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
3.1 Harvesting
• Harvesting or picking is certainly the
first step in the actual wine making
process.
• The process of making fine wine
requires that the grapes are harvested
at a precise time, preferably when
physiologically ripe.
• Appropriate variety of fruits and
berries are harvested.
• They must contain high amount of
fermentable sugars.
• Grapes usually contain 5-25% total
soluble sugar (Total soluble sugar).
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PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
3.2 Crushing &
Pressing
• Crushing the whole clusters of fresh
ripe grapes is traditionally the next
step in the wine making process.
• Today, mechanical crushers perform
the time-honored tradition of
stomping or trodding the grapes into
what is commonly referred to as
must.
• Mechanical pressing has also
improved the quality and longevity
of wine, while reducing the
winemaker's need for preservatives.
• Having said all this, it is important to
note that not all wine begins life in a
crusher.
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PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
3.3 Fermentation
• After harvesting, all grapes are
usually transferred to the winery by
truck for crushing.
• The pressed juice or “must” is
pumped or gravity flowed into large
temperature-controlled tanks for
fermentation during which natural
and added yeast metabolized the
grapes’ sugar into ethanol and
carbon dioxide.
• Fermentation typically lasted one to
five weeks.
• The production of higher quality
wines typically less automated and
in smaller volumes.
• Lower quality wines made in larger
volumes and more “formula” based.
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PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
3.4 Clarification
• Filtering and fining may also be
done at this stage.
• Filtration can be done with
everything from a course filter that
catches only large solids to a
sterile filter pad that strips wine of
all life.
• Fining occurs when substances
are added to a wine to clarify
them.
3.5 Ageing &
Bottling
• The final stage of the wine making
process involves the aging and
bottling of wine
• Further aging can be done in the
bottle, stainless steel or ceramic
tanks, large wooden ovals, or small
barrels, commonly called barriques.
12
Competent People. Smarter Work Systems. Exceptional Customer Interactions.
PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
4. CONCLUSION
• All facets of wine production must be
carefully controlled to create a quality wine.
• Such variables as the speed with which
harvested grapes are crushed; the
temperature and timing during both
fermentation and ageing; the percent of sugar
and acid in the harvested grapes; and the
amount of sulfur dioxide added during
fermentation all have a tremendous impact
on the quality of the finished wine.
Competent People. Smarter Work Systems. Exceptional Customer Interactions.
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PMG Engineering Private Limited
The End-to-End Engineering Company in Food Industry
info@pmg.engineering | www.pmg.engineering
About PMG Engineering
Competent People. Smarter Work Systems. Exceptional Customer Interactions.
Competent People. Smarter Work Systems. Exceptional Customer Interactions.
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We deliver End-to-End Engineering Design and Construction Management Projects in Food and Beverage Industry. Meeting Global Benchmarks In ENGINEERING DESIGN and PROJECT MANAGEMENT for FOOD and BEVERAGE Industry with SINGLE POINT ACCOUNTABILITY Process Engineering | Project Management | Mechanical | Electrical | Automation | Food Safety Key Clients We deliver End-to-End Engineering Design and Construction Management Projects in Food and Beverage Industry. Meeting Global Benchmarks In ENGINEERING DESIGN and PROJECT MANAGEMENT for FOOD and BEVERAGE Industry with SINGLE POINT ACCOUNTABILITY Process Engineering | Project Management | Mechanical | Electrical | Automation | Food Safety Key Clients We deliver End-to-End Engineering Design and Construction Management Projects in Food and Beverage Industry. Meeting Global Benchmarks In ENGINEERING DESIGN and PROJECT MANAGEMENT for FOOD and BEVERAGE Industry with SINGLE POINT ACCOUNTABILITY Process Engineering | Project Management | Mechanical | Electrical | Automation | Food Safety Key Clients