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Pavlína Horská, Kateřina Ševčíková. Faculty of C hemistry , Brno University of Technology. Beer. History of beer. world‘s oldest and most popular alcoholic beverage 7th millennium BC → start the manufacture of beer in Ancient Egypt and Mesopotamia

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pavl na horsk kate ina ev kov

Pavlína Horská, Kateřina Ševčíková

Faculty of Chemistry,

Brno University of Technology

history of beer
History of beer
  • world‘s oldest and most popular

alcoholic beverage

  • 7th millennium BC → start

the manufacture of beer inAncient Egypt

and Mesopotamia

  • 19th century → start the industrial

manufacture of beer

  • today → the brewing industry is

a huge global business

BC = before Christ

Ancient = starověký

Brewing industry = pivovarský průmysl

main ingredients
Main ingredients
  • water
  • starch source: barley, wheat, rice, oat
  • hop-plant
  • yeast
  • clarifying agent

Starch source = zdroj škrobu Hop-plant = chmel

Barley = ječmen Yeast = kvasnice

Wheat = pšenice Clarifying agent = čeřidlo

Oat = oves

part of brewing
Part of brewing
  • Mashing
  • Sparging
  • Boiling
  • Fermentation
  • Packaging

Mashing = příprava zápary

Sparging = vyslazování

Fermentation = kvašení

Packaging = balení

mashing
Mashing
  • mixture of water and starch source (known as mash)
  • enzymes
  • temperature
sparging
Sparging
  • extracts the fermentable liquid, known as wort, from the mash.
  • Mash is in the vessel (known as a lauter-tun), which has a porous barrier.
  • The brewer adds water to the lauter-tun and it rinses fermentable liquid from the grain in mash.

Fermentable = zkvasitelný

Wort = sladina

Vessel = nádoba, nádrž

Porous = porézní

Brewer = sládek

Rinse = vypláchnout

boiling
Boiling
  • Increase the concentration of sugar in the wort
  • one hour
  • Hops are added in order to extract bitterness, flavor and aroma from them.

Bitterness = hořkost

Flavor = vůně

fermentation
Fermentation
  • The wort becomes beer
  • Equation: C6H12O6 (+ yeast) → 2CH3CH2OH + CO2
  • uses yeast
  • without presence of oxygen
  • Beer is saturated by carbon dioxide.

Saturate = nasytit

packaging
Packaging
  • final stage of the brewing process
  • Beer is prepared for distribution and consumation.
  • Beer is put into the bottles and kegs.

Keg = soudek

slide11
Thank you very much

for your kind attention