Brewing Materials
The following list contains a list of ingredients used to brew guinness stout, and also the various types of stout brewed by Guinness.
Malt
A type of barley which is first germinated then roasted to create maltose a natural sugar which contributes to the black colour of stout and also provides the life giving properties for the yeast to live on. Yeast produces alcohol as a natural byproduct. Until 1987 the majority of malt was supplied by Minch- Norton of New Market, Dublin.
Barley
This gives stout its body, which can be experienced in the smooth texture of Guinness Stout and its ability to hold nitrogen, hence the fact that a good stout takes time to settle. The Guinness Brewery comsumes approximately7% on the entire Irish barley crop, preparing its own roast barley.
Hops
Hops give Stout its slightly bitter, yet fresh taste. Hops have been used since ancient Eygpt, as they provide preservative properties when infused.Over 600 tonnes are used by the Guinness brewery each year, almost 1%of the world crop, these are mainly sourced from the USA, Austrailia the UK and Germany, Golding arethe main variety.
The brewing process
Milling: the malt is first milled in to a coarse flour.
Mashing: The milled malt, barley flakes and roast barley are mixed with hot water to form the grist. This process removes the fermentable sugar and flavour
form the grains, this liquor is used in the next stage of the brewing process.
Extraction: The wort as is is now called is sieved to seperate the grains and the liquor. The liquor is sent to a brewing kettle. Used grain is used as cattle food.
Boiling: The wort is boiled with the hops at a constant temperature for 90 minutes.
Cooling: After the wort has setteled it is filtered out of the kettle and cooled enroute to the fermentation plant.
Fermentation: The wort is placed in fermentation vessels with yeast (a strain of the original yeast that Arthur used himself), for 7days, where at 25C the yeast changes the maltose into alcohol and CO2.
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Guinness Trivia
Why is Guinness Stout black ?
It obtains its colour due to the process of roasting the barley, this is carried out to convert maltase into maltose, a natural sugar
Why is the head on Guinness so creamy ?
Contrary to popular belief it is not the introduced nitrogen gas that createsthe head, it is the proteins infused from the barley which give Stout itsbody i.e. the ability to hold the gas a mire raising agent as such.
How many calories are there in Guinness ?
Stout contains protein, alcohol and sugar, however is no more fattening the a pint of milk. Alcohol accounts for 65-75% of the calories Guinness.
How is Guinness poured ?
The correct way to pour Guinness is in a two part action. Firstly hold a cleandry pint glass at a 45 degree angle and proceed to pour until glass is 3/4 full. Allow the Stout to settle for 5 minutes, then fill the glass to the top.
Is Guinness Stout made from liffey water ?
No. Water comes from a source in the Wicklow Mountains, county Wicklow.
Are there any variations of Guinness Stout ?
There are approximately 20 variations of Guinness Stout worldwide.
How many countries is Guinness Stout sold in ?
It is sold in 150 countries and brewed in 50, El Salvador be the most recent, nov. 1995.
What is the optimum serving temperature for Guinness?
Guinness Stout should be served at between 5-8 degrees Celsius.
What is the origin of the slogan, "Guinness is good for you" ?
Having carried out market research(1920s) on behalf of Guinness, S.H Benson, noted that people said they felt good after drinking Guinness Stout. This slogan is still used in Africa where advertising standards are more relaxed.
Is it true that Guinness Stout is served in hospitals ?
Yes, In Ireland Stout is available to patients of intestinal and stomach treatments and also to blood donors, as Stout is high in iron content. Guinness is good for you!
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Now you can enjoy the perfect pint of GUINNESS® straight from the bottle - so there's no need for a glass. Enjoy the authentic taste of GUINNESS® anytime, anywhere thanks to another clever little invention, the "rocket widget."
Once the bottle is opened, the "rocket widget" creates the famous surge and forms the signature creamy head right inside. Every time you take a drink from the bottle the "rocket widget" refreshes the surge so that you get the perfect pint taste with every sip. Ingenious.
Your GUINNESS® Draught in bottles should be chilled for a minimum of three hours before serving.
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