hrma 3335 pp1

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Beverage

Production Source Sugars and an Introduction to ProductionProcesses

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Defnition

• Alcoholic beverage: A potable liquidcontaining ethyl alcohol

• For legal purposes, e.g. age

restrictions, sale restrictions, taability,etc.

• !ust contain a "ini"u" a"ount o#alcohol that varies by state and bynation, ranging bet$een %&.'( and)&.*(

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wo pa ways oethanol

• Sucrose to ethanol

• Polysaccharide to sucrose to ethanol

•

+ny"es and physical che"istry o#conversion o# starch to sugars

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Fer"entation Process

• Sacharo"ycis -ereviesiae

• S. -erevisiae yields *( e/ciency

• 0p to 1( no$ 2 higher alcohol percent

• !any varieties o# yeasts

• 3ild

• -ultivated

• 4o$, custo"ied #or e/ciency at:

• 5o$ te"p, high alc., slo$, #ast

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Sources o# #er"entable sugars

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Sources o# #er"entablesugars

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-he"istry o# Alcohol

• 6ne "olecule o# sugar produces

• 7 "olecules o# +thanol

• 7 "olecules o# -arbon Dioide

• *8 9-al o# heat

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-ontrolling Fer"entation

• east strain• ;e"perature o# $ort<"ust in tan9 is

"ain regulator o# #er"entation speed

• 3ar" = Fast

• -old = Slo$

• *&& F to && F

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Introduction to density and its "easure"ent

• Instru"ents, readings and "eanings

• >ydro"eter

• ?e#racto"eter @$ine

• ;her"o"eter

• +ect o# heat and cold on density

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Density

•Beer

• Specifc Cravity

• S.C.•

Wine

• Bri

•

= @( sugar

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Density

• -alibrated at8&F

• -alculate fnalalcohol• Starting potential

2

Final potential =

Alcohol (

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Density

Speci#yCravity

EPlato < Balling < Bri PotentialAlcohol

-ane Sugar6unces per Callon

'.&&& & &.&( &

'.&&G ' &.8( '.G

'.&&1 7 '.'( 7.1

'.&'7 H '.( G.H

'.&'8 G 7.7( *.

'.&' * 7.8( 8.1

'.&7H 8 H.7( 1.7

'.&7 H.( .8

'.&H' 1 G.H( ''.&

'.&H* G.1( '7.G

'.&H '& *.G( 'H.

'.&GH '' *.( '*.H

'.&G '7 8.*( '8.

'.&*& 'H 8.( '.1

'.&*G 'G .G( '.7

'.&*1 '* 1.&( 7&.8

'.&87 '8 1.8( 77.&

'.&88 ' .'( 7H.*

'.&& '1 .( 7G.

'.&G ' '&.7( 78.H

'.&1 7& '&.1( 7.

'.&1' 7' ''.7( 71.1

'.&1* 77 ''.( H&.7

'.&1 7H '7.H( H'.8

'.&H 7G '7.1( HH.'

Degrees FahrenheitAdJust"ent to

?eading

G& Subtract .&&7

*& Subtract .&&'

8& -6??+-;

& Add .&&'

1& Add .&&7

& Add .&&G

'&& Add .&&*

''& Add .&&

'7& Add .&&1'H& Add .&'&

'G& Add .&'H

'*& Add .&'*

Hydrometer Temperature Correction

Table

Hydrometer Conversion Chart

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;hings to re"e"ber inthe lab• Al$ays ta9e te"perature readings

$hen using a hydro"eter• ' ther"o"eter required per group

• ?ecord all readings in lab boo9• 5ab "anual $ill re"ain in the lab

•

!ore readings = better presentation• S.C., Bri, P>, ;A

hrma 3335 pp1

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