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− | <p class=MsoNormal>You’re an aspiring chemist and you want/need to make some <span
| + | You’re an aspiring chemist and you want/need to make some Wood, Worm or Grain spirits in an alembic. |
− | lang=EN style='mso-ansi-language:EN'>Wood, Worm or Grain spirits in an alembic.
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| Surfing through the wiki you read that you need wine with high tannin. You’ve | | Surfing through the wiki you read that you need wine with high tannin. You’ve |
− | got your grapes; you load them into the barrel and wait.<span | + | got your grapes; you load them into the barrel and wait |
− | style='mso-spacerun:yes'> </span>Periodically you siphon off a sample and
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− | check the tannin level. Unfortunately the levels are not going up very
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− | fast.<span style='mso-spacerun:yes'> </span>Wouldn’t it be nice to be able to
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− | predict which grapes will give the most <span class=GramE>tannin.</span> Well
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− | now we can. As it turns out tannin is developed in wine from three
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− | characteristics, colour (C), skin (K) and patience (time). In fact the formula
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− | is <i style='mso-bidi-font-style:normal'>relatively</i> straight forward.<o:p></o:p></span></p>
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− | | |
− | <p class=MsoNormal><span lang=EN style='mso-ansi-language:EN'><o:p> </o:p></span></p>
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− | | |
− | <p class=MsoNormal><span style='font-size:14.0pt'><sub><!--[if gte vml 1]><v:shapetype
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− | <v:stroke joinstyle="miter"/>
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− | <v:formulas>
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− | <v:f eqn="if lineDrawn pixelLineWidth 0"/>
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− | <v:f eqn="sum @0 1 0"/>
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− | <v:f eqn="sum 0 0 @1"/>
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− | <v:f eqn="sum @10 21600 0"/>
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− | </v:formulas>
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− | height:46.5pt' o:ole="">
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− | <v:imagedata src="Understanding%20Tannin_files/image001.wmz" o:title=""/>
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− | </v:shape><![endif]--><![if !vml]><img width=173 height=62
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− | src="Understanding%20Tannin_files/image002.gif" v:shapes="_x0000_i1048"><![endif]></sub><!--[if gte mso 9]><xml>
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− | </xml><![endif]--></span></p>
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− | | |
− | <p class=MsoNormal>Where:</p>
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− | | |
− | <p class=MsoNormal>T is the amount of tannin.</p>
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− | | |
− | <p class=MsoNormal>C is the colour value of the grapes.</p>
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− | | |
− | <p class=MsoNormal>K is the skin value of the grapes.</p>
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− | | |
− | <p class=MsoNormal>ETD is the amount of <st1:place w:st="on"><st1:country-region
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− | w:st="on">Egypt</st1:country-region></st1:place> time (in days) the wine has
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− | been in the barrel.</p>
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− | | |
− | <p class=MsoNormal><o:p> </o:p></p>
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− | | |
− | <p class=MsoNormal>From this you can see that the maximum tannin possible is
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− | the colour value multiplied by the skin value divided by 100.<span
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− | style='mso-spacerun:yes'> </span>So when you pick with vines to use you must
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− | also look for a C <span class=SpellE>phenome</span>. Colour is just as
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− | important as skin! Having wine with a skin value of 300 but a colour value of
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− | 10 will only yield <span class=GramE>30 tannin</span>. But if you could take
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− | 100 points from skin and put that into colour the maximum tannin jumps to 220
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− | (110 X 200 / 100). </p>
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