The Theory and Practice of BrewingCombrune, Michael
Science
The Theory and Practice of Brewing
Combrune, Michael
Brewing
There often appears in mankind a strange disposition to wish for
the gifts of Providence, in a different manner than they have been
allotted to us. The various schemes I have just now mentioned, if I
mistake not, have sprung from the desire of having beers and ales
of the same appearance with white wines. But as they are naturally
more yellow or brown, when brewed from malts dried by heats equal or
superior to that which constitutes them such, all such projects, by
which we endeavour to force some subjects to be of a like color with
others, are but so many attempts against nature, and the prosecution
of them must commonly be attended with disappointments. It is true,
that though the germinated grain be dried slack, yet; if they are
speedily used, and brewed in the most proper season, they may make a
tolerable drink, which will preserve itself sound for some time: but
the proportion, which should be kept between the heat which dried the
malt, and that which is to extract it, cannot, in this case, be truly
ascertained; and, as the grain will be more replete with air, water,
and acids, than it ought to be, the drink, even supposing the most
fortunate success, and that it does not soon turn acid, will still be
frothy, and therefore greatly wanting in salubrity; for an excess in
any of the fermentable principles must always be hurtful.
Barley then, to be made fit for the purpose of brewing, must be malted;
that is, it must be made to sprout or germinate with degrees of heat
nearly equal to those which the seed should be impressed with when
sown in the ground; and it must be dried with a heat superior to
that of vegetation, and capable of checking it. How far germination
should be carried on, we have already seen; the law seems to be fixed
universally, as to the extent of the acrospire: the degree of dryness
admits of a larger latitude, the limits of which shall be the subject
of our next enquiry.
Public-domain text, read in full here on John Shaqi.
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