The Theory and Practice of BrewingCombrune, Michael
Science
The Theory and Practice of Brewing
Combrune, Michael
Brewing
of hops, at the end of eighteen months, have been found sound, and in
a drinkable state; and at this degree we find the middling brown.—From
these two extremes, and on these principles, the following table
is formed, exhibiting the length of time drinks made from malt,
impressed with each respective degree of heat, properly brewed, in the
most favourable season, will require, before they come to their due
perfection to be used.
Equally as with hot extracting waters, low dried pale malt may be made
to yield beers which will long continue in a sound state; so high
dried malt, acted upon by cooler and low extracting water, may be made
to furnish a wort soon fit for use, though less agreeable and more
inelegant. It might here be asked, why, then, at any time, is malt
dried with heats exceeding 120 degrees? In answer to this, it might
justly be said, it would be very difficult for the malster exactly
to hit this point of drying, without deviating from it either on the
one side or on the other; and suppose this difficulty removed, still
he could not be certain every individual grain was equally affected:
if the drying was less than 120 degrees, the malt, by receiving the
moist impressions of the air, would regerminate, and be spoiled. Before
the use of hops, malt was high dried, as a means to keep the extracts
sound. To eradicate an ancient custom or prejudice requires a long
time. This, and the conveniency of keeping malts, was the reason why,
for many years, it was in general dried to excess; an error which
for some time past has been losing ground, as no reason at present
subsists, why malts should exceed in color a light amber.
A TABLE, _shewing the age beers will require, before being used, when
brewed from malts, which, in drying and extracting, have been impressd
with a medium heat corresponding to the following degrees_.
Degrees. Shortest time Longest time Shortest time with the
with 12 lb. with 12 lb. fewest quantity of
of hops. of hops. hops possible.
119 2 Weeks
124 1 Month 3 Months } Brewed { 2 Weeks
129 3 Months 6 Months } in the { 4 Weeks
134 4 Months 9 Months } proper { 6 Weeks
138 6[10] Months 12 Months } season { 6 Weeks
143 7 Months 12 Months } Brewed { 4 Weeks
148 9 Months 12 Months } in { 2 Weeks
} summer {
152 10 Months 18 Months
157 18 Months 2 Years
162 2 Years
167
171
176
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