1. Cold Brew is an extraction style, not a cold beverage
2. It is extracted at cold temperature, i.e. below 20°C
3. It takes longer extraction times, i.e. over two hours
4. Extraction depends from
• Dosage (Brew ratio) • Temperature of the water • Water-composition (hardness, …) • Turbulence • Time of Extraction • Grinding level, particle size and surface, dust
Dr. Steffen Schwarz table of contents
ColdBrew vs. Iced CoffeeDr. Steffen Schwarz
ColdBrew Iced Coffee
• Cold extracted • Extraction method • Emphasizes water-soluable aromas
• Hot extracted • Coffee beverage • Emphasizes oil-soluable aromas
extractionDr. Steffen Schwarz
extraction
dosagegrindingcoffee
water turbulence time
surface
pH
dust
varietyprocessing
roast-profile
composition
hardnesstemperature
size
Dr. Steffen Schwarz contamination
contamination
strengthturbulencetime
temperature water
pH
hardness
extractionDr. Steffen Schwarz
time
extraction
100%
70%
AB
C
Fastest extraction (temp , turbulence , grinding fine Medium extraction (temp, turbulence + grinding (middle)) Slowest extraction (temp , turbulence , gridding coarse)
ABC
emphasized aromasDr. Steffen Schwarz
COFFEE BASICS
MEDICAL DRYGREEN
BLOS
SOMS
FLOW
ERS
CEREALCONIFER
WOOD
HARDWOOD
SULPHUR
ANIMAL
LACTIC
YEASTCITRUS
BERRIESSTONE FRUIT
TROPICALDRIED FRUIT
ALCOHOLIC
MUSTY
MOULDY
EARTHY
DARKMED
IUMLIG
HT
MICROBIOLOGICAL
CHEM
ICAL
FRUIT FLORAL
HERBS
VEGETAL
SPICE
S
LUMBERS
NUTS
ROAST AROMAS
MINERAL
BergamotGrapefruitKumquatLemonLimeMandarin / TangerineOrange
BlackberryBlack currantBlueberryCranberryElderberryGooseberryRed currantRaspberryStrawberry
AppleApricotCherryFigPeachPearPlumQuince
BananaMangoMelonPapayaPassion fruitPomegranateRhubarb
Dried apricotDried bananaDried date
Dried plumRaisin
TROPICALDRIED FRUIT STONE FRUIT BERRIES CITRUS
SourdoughYeast
Blue mould cheeseButterCheddarCreamRancidYoghurt
CabbageRubberSulphur dioxideTar
AcetoneDisinfectant
CarrotFlower soilPotatoRoots
AlgaeBark mulchMoist leavesMossMould MushroomsRio
CardboardCorkPeat
Agave syrupBreadHoneyMaple syrupPopcornRock sugarToast
Bread crustCaramelCocoaDark chocolateMalt
AshCoalLiquoriceMolassesSmokeSoy sauce
Acacia blossomr
Elder rJasmineOrange blossom
GeraniumLavenderRoseViolet
BasilCorianderLemon balmLemon grassMintRosemarySageThyme
Bamboo shootBasmati riceCornGrain
Black teaHempHayHopStrawTobaccoVanilla
CeleryCucumberFennelGrassGreen appleGreen beanGreen oliveGreen pea
AniseCarawayCinnamonCloveJuniper berryGingerLiquorice rootNutmegPepper
AcaciaAshBeechCherryChestnutOakMulberryRobinia
CedarCypressFirPineResinStone pineAlmond
HazelnutNougatPeanutPine nuts
PistachioSweet chestnutSesameWalnut
LACTIC
BLOSSOMSFLOWERS
YEAST
MEDICALSULPHUR
MOULDYMUSTY EARTHY
MEDIUMDARK
HERBS
DRYGREEN CEREAL
SPICES
CONIFER WOOD
NUTS
HARDWOODLIGHT
Cat urineGrilled chickenHorse sweatLeatherMeatWet fur
ANIMAL
CognacMarzipanPort (wine)SherryWhisky
ALCOHOLIC
COFFEE AROMA WHEEL
© 2013 COFFEE CONSULATE, MANNHEIM / KONZEPT: DR. STEFFEN SCHWARZ / DESIGN: FIELDESIGN.DE / ABDRUCK UND VERVIELFÄLTIGUNG AUCH IN AUSZÜGEN NUR MIT SCHRIFTLICHER GENEHMIGUNG DURCH COFFEE CONSULATE
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