The Theory and Practice of BrewingCombrune, Michael
Science
The Theory and Practice of Brewing
Combrune, Michael
Brewing
The choice of the malt, as to its dryness and color, for brewing this
liquor, should be varied in proportion to the several seasons, but
custom requires it should be kept nearly to an uniform color. For this
reason, when the air is so cold as the lowest fermentable degree, a
greater dryness than 119 degrees is required; but the dryness of malt
forming only one part of the process, the proper medium directing the
whole must be brought to its true degree, by the heat given to the
extracts. In the height of summer, malt dried to 130 degrees seems
to be the best, as it unites the properties of speedy readiness,
preservation, and transparency, and these several characters are, at
that time, requisite in this liquor.
To come as near as possible to the inclination of the consumers, or to
maintain as near as may be an uniform color, if in the hottest season
malt dried to 130 is best for this purpose, the mean between this and
119, the first degree that constitutes malt, must answer nearest every
intent, when the heat of the air is at 40 degrees. Upon this footing,
the following table will, from the proportion of these two extremes,
shew the color of the grain for every season of the year.
Heat in the Malt’s Value of hops
air. dryness. in degrees.
35 122 1
40 124 1
45 125 1
50 127 1
55 129 1-1/2
60 130 2
If common small beer was immediately to be used after being brewed and
fermented, and it was free from the incidents, most of which we have
just now enumerated, no hops would be required, and the medium degree
of the whole process would be that of the lowest dried malt, 119, to
be employed when the heat of the air was at its first fermentable
degree, or 40, as, with adequate malts, this would make the liquor that
would be ready in the least space, and, at the same time, yield its
constituent parts; but if small beer was intended to be kept some short
time, brewed without hops, and not liable to any accidents, and the
process to be carried through, in a heat of air equal to the highest
fermentable degree, or 80, in this case the governing medium for the
whole process must be the utmost heat the grain is able to endure,
where malt charrs, or 175 degrees. As malt liquors are principally
affected by heat, we will first proportion the medium heat, directive
of each process, for every fermentable degree, without any regard had
to any incident whatever,
Fermentable Mean heats to govern
degrees. the processes.
40 119
45 126
50 133
55 140
60 147
65 154
70 161
75 168
80 175
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