According to Future Market Insights, demand for dried spent grain is forecast to be valued at US$ 14.8 billion by the end of 2023 and is expected to register a value CAGR of 4.9% from 2023 to 2033. By the end of the aforementioned period of assessment, the dried spent grain market is expected to accumulate a valuation of US$ 24 billion. Spent grain essentially refers to the solid material left behind after the brewing process while manufacturing alcoholic beverages. Spent grain is an excellent source of fiber and protein, making it suitable for a wide range of applications.
Spent grain is typically employed in baking, as a food additive, and even as livestock feed. In addition, dried spent grain is documented to be an important source of biogas and fertilizer for plants. Given these attributes, dried spent grain has emerged as a valuable commodity for brewers, and is a great way to reduce waste and make the most of the brewing process. Dried spent grain is extensively utilized by craft breweries for ensuring sustainable manufacturing practices.
As the world increasingly looks toward alternative sources of energy, the demand for biofuels is rising rapidly. In 2017, 9.1% of global total primary energy requirements were supplied by biofuels and waste. Also, as per estimates by the International Energy Agency (IEA), global biofuel consumption between 2023 and 2025 is expected to total 182 billion liters. Hence, manufacturers of dried spent grain and other stakeholders are looking for ways to capitalize on this ever-increasing trend to develop path-breaking fuel technologies.
In April 2021, researchers at Virginia Polytechnic and State University (Virginia Tech) developed an innovative method of extracting nutrients and fiber from spent grain to be used in new food sources and biofuels. To achieve this, the team partnered with local breweries. They developed a method in which spent grain could be separated into a protein concentrate and fiber-rich material by treating it with alcalase, a commonly available enzyme, and then sieve it. With this method, 80% of the protein was extracted.
The practice of converting spent grain into fuel sources is being practiced for more than a decade by the Alaskan Brewing Co. In 2011, the company received a nearly US$ 500,000 grant from the government of the United States of America, leading to the introduction of a boiler fueled entirely by grain. The boiler did away with the brewery’s use of oil in the grain drying process, leading to energy and fuel cost savings by as much as 70%.
Besides being used as biofuels, spent grain is also being incorporated to manufacture more innovative products. For instance, the Danish design firm Mater introduced Mask Stool, a furniture piece made from spent grain from brewery Carlsberg’s beer production in September 2020. Besides spent grain, the stool also includes traces of plastic waste, in granulated form. Much of the plastic waste consisted of discarded insulin pens from the pharmaceutical company Novo Nordisk.
Various food companies are specializing in offering dried spent grain, given its increasing popularity in various industries. Grainmax is a prominent dried spent grain producer, offering its product in jumbo bags. These grains are brownish in color and are extensively used as animal feed. Grainmax’s dried spent grain is of particular value to ruminants, such as cows that partially digest their food by chewing. Additionally, it is well suited for silage.
Beer manufacturer Heineken, has developed an innovative product line manufactured from spent grain produced during its beer brewing process. The company offers coasters, bottle openers, and waiter trays made from spent barley grain. The product offering is an initiative by the company’s Greener Bar program, which uses new building methods, materials, and technology to achieve sustainability in production.
| Data Points | Key Statistics |
|---|---|
| Anticipated Market Value for Dried Spent Grain in 2023 | US$ 14.8 billion |
| Projected Market Value for Dried Spent Grain in 2033 | US$ 24 billion |
| Growth Rate (2023 to 2033) | CAGR of 4.9% |
Dried spent grain is one of the main by-products of the breweries produced all over the year that is presently not suitably taken care of, both in economic and environmental terms. In addition, dried spent grain biomass can be a low-cost source of bio-energy and innovative and valuable bio-products.
The recent studies have confirmed, from an economic and technological perspective, the viability of using dried spent grain as fuel for energy applications due to its hydrogen and carbon content, which provide it with a better calorific value.
Dried spent grain is the most lavish by product generally produced in the beer brewing process. Dried spent grain mainly obtained from the husk of a barley grain as the solid residue left after the wort production. Dried spent grain is enriched in protein and fibre and is mainly used in bakery as well as animal feed industry; that is surging the demand for dried spent grain during the upcoming years.
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The dried spent grain is enriched with proteins and fibers, hence it provides and supports the health and immunity of consumers. The busy lifestyle and flexitarian diet are few of the factors due to which consumers are looking for those products that fulfil the daily nutritional requirement of the body.
Dried spent grain contains beta-glucans and phenolic components, and these components work as prebiotic compounds after reaching the large intestine.
As dried spent grain is obtained from wheat, and barley, the antioxidant molecules present in it boost up the immune system and reduces the risk of cancers. Due to these health beneficial properties of dried spent grain, its demand is anticipated to increase in several end-use industries including food and beverages.
Some of the key manufacturers operating their business in the global dried spent grain market includes
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With the rising demand for sustainability in all sectors, it is incontrovertible that no side streams are wasted in the forthcoming period. The global effort to upturn the number of renewable energy sources will possibly increase the application of dried spent grain as one of the energy sources.
According to the Journal of Cereal Science, replacing normal flour with dried spent grain in a bread loaf will duple the content of fibre, improves the content of essential amino acid by 10%, enhances the protein level by 50%, and reduces the calories by around 7%. This drastic variation of nutritional content in the bakery products such as bread is truly notable and also marketed to a particular segment.
Consumers engrossed in the LOHAS (Lifestyles of Health and Sustainability) are a huge and growing segment of the market. Moreover, reusing of dried spent grains as a sustainable waste of food solution appeals to the consumers who are conscious regarding the environment.
However, dried spent grain remains an eye-catching raw material for health-supplement for the food ingredients. The health-promoting trend in the global food industry is not likely to become extinct as long as the urbanised nations are tackling the several health issues rising from overweight as well as ageing population demographics. These are the key factors that may create interesting and new growth prospects for dried spent grain to arise in the near future.
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Dried Spent Grain Market
