Brewer's spent grain

[2] BSG is also naturally high in fiber, making it of great interest as a food additive, replacing low-fiber ingredients.

The high protein and fiber content of BSG makes it an obvious target to add to human foods.

[8] Grainstone is an Australian based company that has developed a world leading modular energy efficient process to convert BSG to a premium specialty flour and a process to produce nutraceuticals; including protein isolate, soluble dietary fibre and antioxident.

The high protein content in BSG offers a wide variety of amino acids essential in the diet of livestock.

[14] Brewery's spent grains could be recycled through their incorporation in a traditional ceramic paste used in the manufacture of common bricks.

The highest average yield (there are many growing factors involved) was found to be with a ratio of fuel pellet : BSG : hot tap water of 450 : 725 : 825 (all measured in grams in the study per each T3 filter patch bag utilized for the production blocks), with testing for field capacity being a final assessment of fine tuning these ratios (to get a 'feel' for proper hydration, by experienced block producers, via hand compression testing of a hydrated and mixed batch of substrate.)

Spent grain from brewing .
Containers of spent grain outside the brewery.
A product demonstration of crackers made from spent grain at a local supermarket.
Deer in Germany being fed BSG.
the paper made by BSG