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Colorful Innovation: How Grainwell’s Premium Puffed Millet Powers Grainbow’s Rainbow Revolution

When innovation meets nutrition, extraordinary things happen. That’s exactly what’s unfolding through the exciting partnership between Grainwell Puffed Grains, North America’s premier producer of both ancient and traditional puffed grains, and Australia’s groundbreaking Grainbow company. This collaboration showcases how superior ingredient quality can transform children’s nutrition through the magic of naturally colored foods.

The Perfect Partnership

Grainbow’s patented method combines the colours of nature and the goodness of grains so parents will find it a lot easier to give their kids a healthier diet. At the heart of their innovative approach lies a crucial component: premium puffed millet from Grainwell’s state-of-the-art facility in Dyersville, Iowa. This partnership represents more than just a supplier relationship—it’s a shared commitment to revolutionizing how children experience healthy eating.

Why Grainwell’s Puffed Millet Sets the Standard

The choice to use Grainwell’s puffed millet wasn’t made lightly. Several key factors make it the ideal foundation for Grainbow’s colorful creations:

Exceptional Quality: Grainwell’s products are expertly puffed to capture their purest essence, using a closed, continuous batch process that tightly controls every aspect of the complex puffing process. This meticulous attention to detail ensures that every grain meets the exacting standards required for Grainbow’s premium products.

Unmatched Consistency: The process enables calibration of the grain color, texture, size, moisture content and flavor profile, delivering the predictable results that Grainbow depends on for their rainbow-colored products. This consistency is crucial when creating visually striking foods that must maintain their appeal batch after batch.

Superior Colorfast Ability: The controlled puffing process creates an optimal surface for natural color absorption and retention. This ensures that Grainbow’s colours derived from nature, including strawberries, raspberries, paprika, purple carrot, turmeric, spinach, red cabbage and spirulina maintain their vibrant appearance throughout the product’s shelf life.

Perfect Crunch and Texture: Grainwell’s process is up to 95% efficient, compared to an industry average of less than 70%, resulting in a superior puffed grain with the ideal texture that children love and parents appreciate.

A Vision Shared

According to Grainbow’s founder, Tommi Rummukainen : “When we set out to create products that would make healthy eating irresistible to children, we knew we needed a puffed millet partner who shared our commitment to excellence. Grainwell’s superior quality, consistency, and innovative puffing technology have been instrumental in bringing our rainbow vision to life. Their puffed millet provides the perfect canvas for our natural colors while delivering the nutritional benefits and delightful crunch that makes our products truly special.

Innovation on Display

This partnership will be showcased at IFT FIRST Annual Meeting and Expo, the world’s leading food technology event, taking place in Chicago from July 13-16, 2025. Visitors to the Grainwell Puffed Grains, Booth #S4065, will have the opportunity to experience Grainbow’s rainbow-colored puffed millet products firsthand, witnessing how premium ingredients can transform everyday nutrition into something extraordinary.

This results in a new style of bread that is fun and inviting for children and adults of all ages, proving that healthy eating doesn’t have to sacrifice visual appeal or taste. The collaboration demonstrates how innovative food technology can address real-world challenges, making nutritious foods more appealing to the children who need them most.

The Future of Food Innovation

The Grainwell-Grainbow partnership exemplifies the future of food innovation, where ethical sourcing, sustainable practices, and clean-label grain products meet creative applications that solve real consumer challenges. By combining Grainwell’s technical expertise with Grainbow’s innovative vision, this collaboration is helping parents worldwide make healthy eating more enjoyable for their families.

As the food industry continues to evolve, partnerships like this demonstrate that the most impactful innovations often emerge when companies with complementary strengths work together toward a common goal: creating better, healthier, and more appealing food options for everyone.

For more information about Grainwell’s premium puffed grain solutions and their role in food innovation, visit grainwellfoods.com.

How Puffed Grains Support Gluten-Free Product Innovation

Gluten-free products have become an essential part of the modern food market, driven by the needs of those with celiac disease, gluten sensitivities, and the growing number of consumers seeking healthier dietary options. As demand intensifies, manufacturers face the challenge of creating gluten-free foods that excel in both nutrition and texture. Among the many available ingredients, Grainwell Puffed Grains have risen to the top as a superior starch base, delivering results that consistently outperform other wheat flour alternatives.

The Puffed Grain Edge in Gluten-Free Formulations

Conventional wheat flour substitutes—such as rice flour, potato starch, or tapioca—often struggle to replicate the structure and mouthfeel of gluten-containing products. These alternatives can leave baked goods dense or crumbly, and snacks gritty or dry. Grainwell’s puffed grains, crafted from naturally gluten-free options like millet, quinoa, sorghum, and amaranth, offer a distinct advantage. Through advanced puffing technology, Grainwell transforms these grains into ingredients that provide lightness, structure, and a satisfying texture that other starches simply cannot match.

Puffed grains introduce a unique cellular structure, allowing for enhanced moisture retention and a delicate crumb. This results in gluten-free products—breads, bars, cereals, and snacks—that are soft, tender, and crisp, elevating the eating experience far beyond what traditional starches can offer.

Nutritional Superiority in Every Application

Nutrition is a top priority for today’s health-conscious consumers. Many wheat flour alternatives offer little more than empty calories, lacking the protein, fiber, and micronutrients found in whole grains. Grainwell’s puffed grains retain the full nutritional value of their source grains, delivering protein, dietary fiber, and essential vitamins and minerals. This boosts the health profile of gluten-free products, making them a genuinely nutritious option for all.

Grainwell’s commitment to clean-label ingredients further enhances their appeal. Free from additives, preservatives, and GMOs, these puffed grains meet the growing demand for transparency and simplicity in food, giving brands a clear advantage in the marketplace.

Precision Puffing and Customization

Grainwell’s proprietary Cerex puffing system achieves a remarkable 95% efficiency, far surpassing industry norms. This precision ensures that every batch of puffed grains meets exacting standards for size, texture, and consistency—qualities that are vital for large-scale production and product reliability.

Customization is central to Grainwell’s approach. The company collaborates closely with food manufacturers and R&D teams to tailor puffed grains to specific product needs. Whether a particular grain size is required for snack bars, a specific texture for cereals, or a neutral flavor for savory crackers, Grainwell delivers bespoke solutions that integrate seamlessly into diverse formulations. This level of partnership and technical support is rarely matched by suppliers of conventional starches.

Collaborative Innovation with R&D Teams

Grainwell’s value extends beyond ingredient supply. The company actively partners with R&D teams to optimize product formulations, providing technical expertise and hands-on support throughout the development process. From concept ideation to final product refinement, Grainwell’s specialists work alongside manufacturers to unlock the full potential of puffed grains.

This collaborative approach accelerates innovation, allowing brands to respond quickly to emerging trends and consumer preferences. Grainwell’s insights help streamline the path from prototype to market, ensuring that every gluten-free product delivers on taste, texture, and nutrition.

Sustainability at the Heart of Production

Today’s consumers expect more than just great taste—they want products that reflect their values. Grainwell’s Iowa facility operates with a strong commitment to sustainability, minimizing waste, conserving energy, and using water efficiently. This eco-friendly approach sets Grainwell apart from many traditional starch processors, enabling brands to market their gluten-free products as both health-forward and environmentally responsible.

Versatility Across Product Categories

Grainwell puffed grains are not limited to a single category. Their versatility allows manufacturers to explore a wide range of gluten-free applications. In breakfast cereals, puffed grains contribute a light, satisfying crunch. Snack bars benefit from their structural integrity and appealing bite. Savory items like crackers and chips gain a delicate crispness and neutral flavor that pairs well with a variety of seasonings.

This adaptability extends to innovative uses such as gluten-free pasta and granola clusters. Grainwell’s puffed grains serve as a primary starch base across multiple product types, offering a clear edge over other wheat flour alternatives, which often require complex blends or additional processing.

Meeting the Clean-Label Demand

The clean-label movement is reshaping the food industry, especially in the gluten-free segment. Consumers scrutinize ingredient lists, seeking products made with simple, recognizable components. Grainwell’s puffed grains are single-ingredient, minimally processed, and free from artificial additives—making them the ideal choice for brands aiming to build trust and loyalty among health-focused shoppers.

Products formulated with Grainwell’s puffed grains can proudly display short, clean ingredient lists, supporting premium positioning and consumer confidence.

Overcoming Gluten-Free Formulation Challenges

Replicating the functional properties of gluten is one of the most significant hurdles in gluten-free product development. Many wheat flour alternatives fall short in delivering the elasticity, structure, and mouthfeel that consumers expect. Grainwell’s puffed grains address these challenges directly. Their unique texture and structure provide the necessary support for a wide range of gluten-free applications, from soft breads to crunchy snacks.

With Grainwell’s ability to customize puffed grains for specific formulations, manufacturers can overcome common obstacles and consistently deliver products that exceed consumer expectations.

The Future of Gluten-Free Foods: Powered by Puffed Grains

As the gluten-free market continues to expand, the need for superior starch bases becomes even more critical. Grainwell’s puffed grains represent a leap forward, offering unmatched texture, nutritional value, and versatility. Their advanced manufacturing, sustainability focus, and collaborative spirit with R&D teams make them the partner of choice for emerging and leading brands.

By selecting Grainwell’s puffed grains as the foundation for gluten-free products, manufacturers gain a distinct competitive edge. These ingredients deliver on every front—texture, nutrition, sustainability, and clean label—ensuring that gluten-free offerings exceed the expectations of today’s discerning consumers.

In a landscape crowded with alternatives, Grainwell’s puffed grains stand out as the superior starch base, enabling the creation of gluten-free products that truly satisfy. The future of gluten-free foods is bright, and Grainwell is at the forefront, helping brands craft products that are as delicious and nutritious as they are innovative

Puffed Grains Glossary

Amaranth
A gluten-free pseudocereal, not a true grain, derived from a plant with edible seeds. Amaranth has a slightly nutty, earthy flavor and is often puffed or popped to create a light, crunchy snack. Its strong flavor and high nutritional content make it a popular ingredient in breakfast porridges, energy bars, or as a topping for salads.

Ancient Grains
Grains that have been cultivated for thousands of years, including einkorn, emmer, spelt, and others. Known for their nutritional benefits, these grains can be puffed or popped to create light, airy snacks or used in breakfast cereals. Ancient grains are often favored for their rich flavor and higher nutrient density compared to modern grains.

Buckwheat
A gluten-free pseudocereal, not a true grain, that comes from a plant with edible seeds. Buckwheat can be puffed or popped, resulting in a light, crunchy snack with a nutty flavor. It is also used in a variety of dishes, including porridge, pancakes, and noodles.

Einkorn
An ancient grain and the oldest cultivated grain in history. Einkorn can be puffed or popped and is often used in breakfast cereals or as a crunchy snack. It has a rich, slightly sweet flavor and is valued for its high nutrient content.

Emmer
An ancient grain belonging to the farro category. Emmer is often puffed or popped to create a nutritious snack or breakfast cereal. Its chewy texture and earthy taste make it a versatile ingredient in salads, soups, and baked goods.

Extrusion
A commercial method of puffing grains by forcing them through a heated die, causing the grains to expand rapidly. This technique is widely used in the production of puffed cereals and snacks.

Farro
A group of ancient grains that includes einkorn, emmer, and spelt. Farro grains can be puffed or popped and are commonly used in breakfast cereals, salads, and baked goods. Farro is prized for its hearty texture and nutty flavor.

Gun Puffing
A high-pressure method used to puff grains by placing them in a chamber with steam and rapidly releasing the pressure, causing the grains to expand. This technique is commonly used for puffing rice and other grains.

Hot Air Popping
A method of puffing or popping grains by exposing them to hot air, which causes the grains to expand and pop without the use of oil or steam. This is a common technique for creating healthy, low-fat snacks.

Hot Oil Popping
A method of puffing grains by frying them in hot oil. The heat causes the grains to expand and puff, resulting in a crispy texture. This technique is often used for snack foods such as puffed corn or rice.

Hot Salt Frying
A traditional method of puffing grains, especially rice, by heating salt in a pan and tossing the grains in it. The intense heat causes the grains to puff rapidly. This technique is commonly used in Indian cooking.

Legumes
A category of plants with edible seeds, such as beans, lentils, and peas. Although less commonly puffed, certain legumes can be puffed or popped for use in snacks or cereals.

Microwave Heating
A modern method of puffing grains by using microwave radiation to heat them quickly, causing them to expand. This technique is commonly used in home kitchens for popping corn and other grains.

Millet
A small-grained cereal that is gluten-free and can be puffed or popped. Millet is often used in cereals, snacks, and as a gluten-free grain alternative in many dishes. Its mild, slightly sweet flavor pairs well with both savory and sweet ingredients.

Popped Grain
Grains that have been heated and expanded, resulting in a popped or puffed texture. While similar to puffing, popping typically leads to a more irregular shape and texture.

Puffing
A process of expanding grains by heating them, causing the grains to puff up and increase in size. Puffing can be achieved using methods such as hot air, hot oil, or gun puffing. It creates a light, crunchy texture in snacks and cereals.

Quinoa
A gluten-free pseudocereal with edible seeds that can be puffed or popped for a crunchy snack. Quinoa is rich in protein and nutrients and is often used in cereals, granola, and energy bars for added texture and nutrition.

Rice
A staple cereal grain that can be puffed or popped to create a light and crispy snack. Puffed rice is commonly used in breakfast cereals, snack bars, and desserts.

Sand Roasting
A traditional method of puffing grains by heating them in hot sand, which rapidly causes the grains to expand. This technique is often used in certain Asian and Middle Eastern cuisines.

Sorghum
A gluten-free cereal grain that can be puffed or popped. Sorghum has a mild, slightly sweet flavor and is often used in breakfast cereals, snacks, or as a grain substitute in salads and other dishes.

Spelt
An ancient grain in the farro category that can be puffed or popped. Spelt has a mild, nutty flavor and is used in various dishes, including breakfast cereals, breads, and snacks.

Steam Puffing
A method of puffing grains using steam in a high-pressure chamber, followed by rapid release of pressure, causing the grains to expand. This technique is used to create puffed rice and other commercial puffed snacks.

Venturi Tube
A device used in continuous puffed grain production, where grains are rapidly expanded after being heated under high pressure. The venturi tube helps control the puffing process for commercial production.

Teff
A gluten-free cereal grain that is very small in size and can be puffed or popped. Teff is commonly used in traditional Ethiopian cuisine and is becoming popular in other regions for its high nutritional content and versatility in cooking.