Koji activated rice ale - Beer Recipe - Brewer's Friend

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Koji activated rice ale

170 calories 5.2 g 12 oz
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Beer Stats
Method: Partial Mash
Style: Experimental Beer
Boil Time: 60 min
Batch Size: 3 gallons (fermentor volume)
Pre Boil Size: 3 gallons
Pre Boil Gravity: 1.054 (recipe based estimate)
Efficiency: 65% (brew house)
Calories: 170 calories (Per 12oz)
Carbs: 5.2 g (Per 12oz)
Created: Sunday March 5th 2017
1.054
0.996
7.7%
26.1
3.1
n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
3 lb Liquid Malt Extract - Extra Light3 lb Liquid Malt Extract - Extra Light 37 2.5 60%
2 lb Flaked Rice2 lb Flaked Rice 40 0.5 40%
5 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1 oz Saaz1 oz Saaz Hops Leaf/Whole 3.5 Boil 60 min 19.39 50%
0.50 oz Saaz0.5 oz Saaz Hops Leaf/Whole 3.5 Boil 15 min 4.81 25%
0.50 oz Saaz0.5 oz Saaz Hops Leaf/Whole 3.5 Boil 5 min 1.93 25%
2 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
1 lb Koji-rice starter Other Primary --
 
Yeast
Fermentis - Safale - American Ale Yeast US-05
Amount:
1 Each
Cost:
Attenuation (custom):
108%
Flocculation:
Medium
Optimum Temp:
54 - 77 °F
Starter:
No
Fermentation Temp:
66 °F
Pitch Rate:
-
$ 0.00 Yeast Pitch Rate and Starter Calculator
Quick Water Requirements
Water Gallons  Quarts
Heat water added to kettle (equipment estimates 4.58 g | 18.3 qt) 3 12  
Mash volume with grains (equipment estimates 4.58 g | 18.3 qt) 3.16 12.6  
Grain absorption losses (steeping) -0.25 -1  
Mash Lauter Tun losses -0.25 -1  
Volume increase from sugar/extract (early additions) 0.25 1  
Pre boil volume (equipment estimates 4.58 g | 18.3 qt) 3 12  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.08 -0.3  
Post boil volume 3 12  
Going into fermentor 3 12  
WARNING: Kettle losses > 2% detected which throw off OG calculation for extract/partial mash recipes in batch target 'fermentor' mode. Solution: Reduce kettle losses, misc losses and hops absorption in equipment profile, OR set batch target to 'kettle' and do a full wort boil. See batch target FAQ.    
Total: 3 12
Equipment Profile Used: System Default
 
Notes

This is an experiment in using koji as a starch converter for rice. In this beer, I'm adding a koji-rice starter and some steamed rice to my wort during primary fermentation.

For the purpose of recipe design, I've used flaked rice as a stand-in ingredient.

I'm using cheap ingredients to save time.

I'll be measuring FG and Final Brix to determine ABV.

Apparent Attenuation end up above 100% due to continued sugar creation in the wort, courtesy of koji

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  • Last Updated: 2017-06-03 00:04 UTC