Yeast extract: Yeast extract is used in brands like Vegemite and Marmite. The method of turning the yeast sediment into edible yeast extract. Spent grain: Brewer's spent grain consists of the residue of malt and grain that remains within the mash-kettle once the mashing and lautering method. It consists primarily of grain husks, pericarp, and fragments of endosperm. As it chiefly consists of carbohydrates and proteins, and is readily consumed by animals, spent grain is employed in animal feed. Spent grains can even be used as fertilizer, whole grains in bread, as well as in the production of biogas. Spent grain is additionally a perfect medium for growing mushrooms, like Chinese black mushroom, and already some breweries are either growing their own mushrooms or supply spent grain to mushroom farms. Spent grains are utilized in the production of red bricks, to enhance the open porosity and scale back thermal conductivity of the ceramic mass.

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