A Guide to Selecting Superfood Raw Materials: Points to Master in Product Development

As health consciousness rises, the functional-food market is expanding rapidly. At its core are high-nutrition ingredients known as “superfoods.”

A superfood refers to a food with excellent nutritional balance that contains many kinds of beneficial components good for the body, or a food in which specific beneficial components are present in exceptionally high amounts. It’s a concept that began to be used among doctors and specialists studying dietary therapy in the U.S. and Canada around the 1980s, and it’s now recognized worldwide.

In the Japanese market too, leafy-vegetable superfoods such as moringa, kale, and yomogi are increasingly adopted as raw materials for green juice, smoothies, health foods, and the like. In product development, how you select and use these ingredients holds the key to success.

Moringa: Versatility and High Nutritional Value Are the Appeal

A Nutritional Treasure Trove Called the “Miracle Tree”

Moringa is a plant so nutritious it’s called the “miracle tree.” Grown mainly in India and Southeast Asia, many of its parts—leaves, seeds, trunk, roots—have been used as food and health ingredients.

The leaves of moringa in particular contain a wide range of nutrients, such as vitamin A, vitamin C, calcium, iron, and amino acids. Demand is rising as a raw material for functional foods, powder products, and green-juice lines, and it’s drawing attention as a superfood in Japan as well.

Points for Use in Product Development

Moringa’s greatest appeal lies in its versatility. By drying the leaves and turning them into powder, it can be used in a wide range of processed foods—smoothies, green juice, baked goods, bread, noodles, soup, and more. Because the ingredient itself has relatively little off-flavor and adds a matcha-like green note, it pairs well when mixed into products.

That said, a grassy note can be noticeable, so adjusting aroma and flavor is important in product development. Since the flavor also changes with particle size and drying method when turning it into powder, the point is to choose a processing method suited to the use. The finer the particle size, the higher the solubility for drinks, while a coarser powder suits uses where you want to keep the texture and aroma strong.

Sustainability as Added Value

Moringa grows even in arid regions, grows quickly, and can be harvested several times a year. For this reason it’s valued for its sustainability and has become an ingredient that draws attention in the SDGs context. Cultivation suited to the climate is also beginning little by little within Japan, and there are moves to raise the brand value of domestically grown moringa.

Yomogi: A Functional Ingredient Rooted in Japanese Culture

A Traditional Ingredient with High Affinity in the Japanese Market

Yomogi is a representative Japanese herb long used in Japan, with many uses as a food, medicinal herb, and aromatic plant. The new shoots gathered in spring are used in cooking, and “yomogi powder,” made by drying and powdering it, is widely used in Japanese sweets, mochi, bread, noodles, and more.

Because it’s rich in chlorophyll, it turns a vivid green when powdered and can be used as a natural coloring ingredient. In the Japanese-sweets industry there’s persistent demand for it as a staple ingredient for yomogi mochi and kusa dango, and it’s used across a wide range of categories—not only confectionery, bread, and Japanese sweets, but also smoothies, green juice, and health foods.

Processing Points in OEM Manufacturing

Yomogi is high in dietary fiber and has a strong aroma, so it’s an ingredient that easily makes its presence felt even in a small blend amount. In OEM, because the particle size and drying process greatly affect quality, processing suited to the use is required.

A coarser powder suits uses where you want to keep the texture and aroma strong, while a finer powder suits drinks and health foods that need coloring and even blending. Yomogi’s functionality is also drawing attention—at the research level the presence of polyphenols and chlorophyll is known—and demand is trending upward along with rising health consciousness.

Points to Note on Stable Supply

Yomogi is highly seasonal, and its harvest volume is easily affected by climate, so securing processed raw material is required for stable commercial supply. Also, because it’s a strongly aromatic ingredient, you need to consider its balance with other ingredients in product design. It also has trustworthiness as a domestic ingredient, and it’s increasingly adopted for clean-label-oriented products and natural-style sweets.

Kale: A Core Raw Material Supporting the Green-Juice Market

A Firm Position as a Green-Juice Raw Material

Kale is a leafy vegetable widely known as a green-juice raw material, a high-nutrition ingredient rich in vitamins, minerals, and dietary fiber. Belonging to the same Brassica family as cabbage and broccoli, it has long been used as a central raw material for health foods at home and abroad.

In Japan the green-juice market is mature, and kale has stable demand as its main ingredient. Fresh kale can be strongly bitter, but drying and powdering it mellows the flavor and makes it easier to use in a variety of foods.

The Potential for Versatile Application

Powdered kale is used in many ways—smoothies, dietary supplements, protein, baked goods, bread, pasta, dressing, and more—and is especially well suited to health-oriented products. Since it can impart a natural green color, it’s also treated as a substitute for coloring agents.

Nutritional components such as vitamin K, calcium, and lutein are drawing attention, and lutein in particular is treated as an important component in supplements and health foods. As consumer health awareness rises, an ingredient like kale—with “clear, easy-to-understand functionality”—has an advantage in product development.

Processing Technology from an OEM Standpoint

From an OEM standpoint, particle-size adjustment is important for kale powder—a fine mesh for use in beverages, medium-to-coarse for mixing into baked goods or noodles—so processing suited to the use is required. The drying method also affects flavor, and using low-temperature drying makes it easier to preserve nutritional value and color.

That said, kale tends to retain a grassy note, so for products where flavor matters—drinks, supplements, and the like—blending with other ingredients is needed. Combining it with matcha, apple, banana, or citrus can improve drinkability. Since the raw material is widely distributed at home and abroad it’s easy to source, and being long-storing is another advantage as a processing raw material.

Practical Points to Keep in Mind When Selecting Ingredients

Clarifying Quality Standards

When selecting superfood ingredients, the first important thing is clarifying quality standards. You need to confirm whether food-safety standards are met—nutritional-component content, residual-pesticide testing, microbial testing, and so on. In particular, standards can differ between domestic and imported raw materials, so care is needed in selecting the sourcing partner.

Choosing a Processing Form Suited to the Use

The processing form of the raw material greatly affects the finished product. Choosing the appropriate processing form to match the final product’s use—particle size of the powder, drying method, whether sterilization is applied, and so on—is required. A fine mesh suits drinks, and a medium-to-coarse powder suits baked goods.

Securing a Stable Supply System

Considering continued supply after commercialization, stable raw-material sourcing is essential. For seasonal ingredients, you need to build a system that can secure consistent quality year-round, taking harvest timing and storage methods into account. Securing multiple sourcing partners is also effective as risk management.

Balancing Cost and Added Value

Superfood ingredients tend to cost more than ordinary raw materials. But their nutritional value and functionality become the product’s added value and serve as the basis for pricing. Striking a balance between cost and added value while considering the price sensitivity of the target customer segment leads to success in product development.

Summary: An Ingredient-Selection Strategy That Achieves Differentiation

Selecting superfood ingredients is an important strategic decision in product development. Understanding the characteristics each ingredient holds—moringa’s versatility and sustainability, yomogi’s affinity with Japanese culture, kale’s established market base—and making the optimal choice to match the product concept is what’s required.

By keeping in mind the four points of clarifying quality standards, choosing a processing form suited to the use, securing a stable supply system, and balancing cost with added value, competitive product development in the market becomes possible. As health consciousness rises, the superfood market is expected to keep expanding. Now is the prime opportunity to take on differentiated product creation through strategic ingredient selection.

Why not make use of these superfood ingredients in your product development? Drawing on specialized knowledge and practical know-how, let’s realize product creation that delivers value to consumers.