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7/23/2019 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"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
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