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27-05-2019, 07:10
Visit the Shut up about Barclay Perkins site (http://barclayperkins.blogspot.com/2019/05/oat-porter.html)
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The Free Mash Tun Act opened the door for another ingredient, flaked oats. The first Oatmeal Stout, brewed by Maclay in Alloa in 1890s contained a whacking 30% of malted oats.
Brewers who followed the trend, most likely trying to dodge Maclay’s patent on Oat Malt Stout, usually went for flaked oats. In quantities so small, they could only have been for legal purposes. At no more than 1% of the grist, far too little to have any impact on the character of the beer.
No-one in London set up to brew an Oatmeal Porter. It was simply a side-effect of parti-gyling. As Porter usually shared its grists with the Stouts, there was simply no avoiding it, if you wanted to brew an Oatmeal Stout.
There never seems to have been an attempt to market this by-product. Perhaps because Oat Stout was usually a bottled product. And by this point Porter wasn’t usually bottled. A fact which probably hastened its demise. Stout, for example, managed to survive in bottled form long after draught versions disappeared.
With oats making up less than 1.5% of the grist at Truman, they were pretty typical of London brewers.
Truman Runner grists 1880 - 1909
Year
OG
lbs hops/ qtr
hops lb/brl
pale malt
brown malt
black malt
crystal malt
oats
flaked maize
caramel
sugar
1880
1056.8
12.8
3.84
44.15%
11.13%
4.45%
40.27%
1890
1058.2
9.1
2.50
66.77%
10.02%
6.01%
17.20%
1895
1057.6
7.1
1.92
65.33%
10.89%
6.82%
16.97%
1899
1058.2
7.3
1.99
56.17%
11.70%
7.83%
10.01%
14.30%
1905
1054.3
5.8
1.35
63.91%
7.58%
5.13%
9.57%
3.19%
10.63%
1909
1058.2
8.2
2.31
67.30%
5.66%
5.41%
5.41%
1.47%
2.60%
4.05%
8.10%
Sources: Truman brewing records held at the London Metropolitan archives, document numbers B/THB/C/082, B/THB/C/092, B/THB/C/096, B/THB/C/102, B/THB/C/108 and B/THB/C/112.
You'll find more information that you'll ever need to know about Porter in my excellent book on the subject (http://www.lulu.com/shop/ronald-pattinson/porter/hardcover/product-18916089.html):
https://1.bp.blogspot.com/-VgxLhLE_Ghw/TxqbztR9hpI/AAAAAAAAIl0/hFrjnqBBLSw/s400/Porter_Lexie_front_words_thumb.jpg (http://www.lulu.com/shop/ronald-pattinson/porter/hardcover/product-18916089.html)
More... (http://barclayperkins.blogspot.com/2019/05/oat-porter.html)
https://3.bp.blogspot.com/-4lnd1-JqK70/XOOkkY1mjQI/AAAAAAAAgaM/D3bB_9LoxNYYHOPArlrec5Hhv7gOwPxKQCLcBGAs/s400/Barclay_Perkins_Oatmeal_Stout_label_2.JPG (https://3.bp.blogspot.com/-4lnd1-JqK70/XOOkkY1mjQI/AAAAAAAAgaM/D3bB_9LoxNYYHOPArlrec5Hhv7gOwPxKQCLcBGAs/s1600/Barclay_Perkins_Oatmeal_Stout_label_2.JPG)
The Free Mash Tun Act opened the door for another ingredient, flaked oats. The first Oatmeal Stout, brewed by Maclay in Alloa in 1890s contained a whacking 30% of malted oats.
Brewers who followed the trend, most likely trying to dodge Maclay’s patent on Oat Malt Stout, usually went for flaked oats. In quantities so small, they could only have been for legal purposes. At no more than 1% of the grist, far too little to have any impact on the character of the beer.
No-one in London set up to brew an Oatmeal Porter. It was simply a side-effect of parti-gyling. As Porter usually shared its grists with the Stouts, there was simply no avoiding it, if you wanted to brew an Oatmeal Stout.
There never seems to have been an attempt to market this by-product. Perhaps because Oat Stout was usually a bottled product. And by this point Porter wasn’t usually bottled. A fact which probably hastened its demise. Stout, for example, managed to survive in bottled form long after draught versions disappeared.
With oats making up less than 1.5% of the grist at Truman, they were pretty typical of London brewers.
Truman Runner grists 1880 - 1909
Year
OG
lbs hops/ qtr
hops lb/brl
pale malt
brown malt
black malt
crystal malt
oats
flaked maize
caramel
sugar
1880
1056.8
12.8
3.84
44.15%
11.13%
4.45%
40.27%
1890
1058.2
9.1
2.50
66.77%
10.02%
6.01%
17.20%
1895
1057.6
7.1
1.92
65.33%
10.89%
6.82%
16.97%
1899
1058.2
7.3
1.99
56.17%
11.70%
7.83%
10.01%
14.30%
1905
1054.3
5.8
1.35
63.91%
7.58%
5.13%
9.57%
3.19%
10.63%
1909
1058.2
8.2
2.31
67.30%
5.66%
5.41%
5.41%
1.47%
2.60%
4.05%
8.10%
Sources: Truman brewing records held at the London Metropolitan archives, document numbers B/THB/C/082, B/THB/C/092, B/THB/C/096, B/THB/C/102, B/THB/C/108 and B/THB/C/112.
You'll find more information that you'll ever need to know about Porter in my excellent book on the subject (http://www.lulu.com/shop/ronald-pattinson/porter/hardcover/product-18916089.html):
https://1.bp.blogspot.com/-VgxLhLE_Ghw/TxqbztR9hpI/AAAAAAAAIl0/hFrjnqBBLSw/s400/Porter_Lexie_front_words_thumb.jpg (http://www.lulu.com/shop/ronald-pattinson/porter/hardcover/product-18916089.html)
More... (http://barclayperkins.blogspot.com/2019/05/oat-porter.html)