A Study of American Beers and AlesRiley, James Garfield
Science
A Study of American Beers and Ales
Riley, James Garfield
Ale -- United States; Beer -- United States; Brewing industry -- United States
| | 1.14| 3.20| .419| .190| .038| .85|+40.0| 5 | .409| .185| .037|
|22039-D| 1.24| 2.84| .465| .184| .042| .37|+37.6| 5 | .443| .175| .040|
|22043-D| 1.38| 2.81| .436| .170| .042| .70|+38.0| 4 | .427| .166| .041|
+-------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
[Footnote 1: Brewer's scale.]
In the results given under brewery No. 1, a beer made entirely from malt
is compared with a beer made from 65 per cent of malt and 35 per cent of
cerealin, and with a beer made from 60 per cent of malt and 40 per cent
of corn, in all of which the same quality of malt was used.
In the case of brewery No. 2, a beer made entirely from malt and a beer
made from 80 per cent of malt and 20 per cent of rice are given, in both
of which the same quality of malt was used.
Under brewery No. 3 are given determinations for ales prepared from 80
per cent of malt and 20 per cent of cerealin; 78 per cent of malt and 22
per cent of cerealin; 75 per cent of malt and 25 per cent of cerealin;
and 65 per cent of malt, 28 per cent of cerealin, and 7 per cent of
brewer's sugar. The same quality of malt was used in all of these brews,
but the brews were of different strengths.
Table VII is given practically in two parts, the first part showing the
actual results obtained by the analysis of the finished beer or ale and
the second part showing protein, ash, and phosphoric acid calculated to
the basis of a uniform wort containing 15 per cent of solids.
Taking into consideration the actual results obtained upon the beers and
ales, it will be seen in the case of brewery No. 1 that the three beers
vary in composition to a considerable degree. Especially is this
variation marked in regard to the protein, ash, and phosphoric acid
contents, which exhibit a marked decrease approximately in direct
proportion to the amount of cerealin or corn substituted for malt. The
same condition is apparent in the case of the products made in brewery
No. 2, the beer made from 80 per cent of malt and 20 per cent of rice
showing a material reduction in protein, ash, and phosphoric acid. In
brewery No. 3, however, a somewhat different condition is noted.
Unfortunately, there is no all-malt product of this brewery to compare
with the brews made from a portion of cerealin or from cerealin and
brewer's sugar. It will be noted, however, that when the actual results
obtained on the finished products of this brewery are compared with
those of the all-malt brews of breweries Nos. 1 and 2, they do not
clearly show a reduction of protein and ash as might be expected. For
example, in the case of one of the samples of the ale made with 25 per
cent of cerealin and 75 per cent of malt (sample No. 29512-B), the
percentage of protein is 0.65 and of the ash 0.266. The percentages of
protein and ash for the three samples of this ale represented by Nos.
29512-B, 29514-B, and 29519-B are higher than were found in any of the
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