Methane, eth, prop, but, pent, hex, hept, octane. You can apply the same prefix to the alcohols as to the alkanes. It's the amount of carbons, or the length of the molecule. Methanol, ethanol, butanol...
yeah, go on...
Methane, eth, prop, but, pent, hex, hept, octane. You can apply the same prefix to the alcohols as to the alkanes. It's the amount of carbons, or the length of the molecule. Methanol, ethanol, butanol...
yeah, go on...
http://en.wikipedia.org/wiki/Fusel_alcohol
At warmer ferment temps, propanol and butanol are made in higher amounts. In most beer styles, these shouldn't be there in high levels.
So you're getting your yeast to make 3 and 4 carbon alcohols instead of our favourite one, with 2.
They are quite possibly a contributing factor to the K&K twang.
Yes I know all that. What I still don't get is the comparison with petrol and LPG.