Fermented Soybean Extract Powder

Fermented Soybean Extract Powder is a natto-derived enzyme ingredient produced from soybean, Glycine max (L.) Merr., through fermentation with Bacillus subtilis var. natto. The fermentation process generates nattokinase, an extracellular serine protease that is subsequently concentrated and processed into a dry powder for dietary supplement and functional nutrition formulations.

Commercial grades are standardized by enzyme activity rather than conventional botanical extract ratio. 20,000 FU/g represents the primary commercial activity level, while higher-activity material such as 40,000 FU/g supports formulations requiring lower ingredient weight. Activity is expressed in fibrin degradation units per gram, providing a practical basis for ingredient qualification and formula calculation.

SKU: BOT-BEX-0339 Categories: Botanical Extracts, Whole Plant & Specialty Extracts Tags: Fermented, Fermented Soybean, Flavonoids, Glycine max, Isoflavones, Saponins

Ingredient Profile & Common Uses

This ingredient differs from ordinary soybean powder, soy protein, soybean isoflavone extract, and whole natto powder. Its botanical source is Glycine max from the Fabaceae family, while its defining functional component develops during fermentation with Bacillus subtilis var. natto. The resulting material is processed as a concentrated fermentation-derived enzyme ingredient rather than the complete fermented soybean food matrix.

Commercial grade selection is primarily based on FU/g activity. A 20,000 FU/g powder is widely used as the principal concentrated grade, while 40,000 FU/g material provides higher activity at a lower inclusion weight. These values describe measured enzymatic performance rather than percentage purity or the amount of raw soybean represented by a botanical extract ratio.

The powder is used in enzyme-focused dietary supplements and specialized nutritional formulations. Concentrated activity allows relatively low inclusion levels, making premixing and blend uniformity important during dry-dose manufacturing. Moisture exposure, processing temperature, pH conditions, and interactions with other formulation components should also be considered where retained activity is critical.

Application Areas

Capsule Supplements

Activity-standardized material is well suited to hard-capsule formulations where the required FU contribution can be calculated directly against serving size and capsule fill weight.

Tablet Formulations

The powder can be incorporated into compressed tablets, with formulation development focused on uniform distribution, excipient compatibility, compression conditions, and activity recovery after manufacture.

Powder Blends and Sachets

Concentrated grades can be premixed into dry nutritional systems where low inclusion levels require careful control of blend uniformity and segregation.

Multi-Ingredient Nutrition Formulas

The ingredient can be incorporated into circulation- and cardiovascular-positioned supplement systems together with complementary nutrients or botanical ingredients, subject to formulation compatibility and finished-product activity evaluation.

Typical Specifications

Parameter	Commercial / Technical Specification
Product Name	Fermented Soybean Extract Powder
Commercial Identity	Nattokinase-standardized fermented soybean extract
Botanical Source	Glycine max (L.) Merr.
Botanical Family	Fabaceae
Raw Material	Soybean
Fermentation Organism	Bacillus subtilis var. natto
Ingredient Type	Fermentation-derived enzyme extract
Product Form	Fine powder
Principal Functional Component	Nattokinase
Enzyme Identity	Subtilisin NAT
Activity Expression	FU/g
Primary Commercial Activity Grade	20,000 FU/g
Higher-Activity Commercial Grade	40,000 FU/g
Common Commercial Particle Format	80 mesh

Nattokinase Activity & Fermentation Profile

Nattokinase, also identified as Subtilisin NAT, is an extracellular serine protease generated during natto fermentation. The mature enzyme contains approximately 275 amino acid residues and has a reported molecular mass of about 27.7 kDa. Reference identifiers associated with the enzyme include CAS 133876-92-3 and EC 3.4.21.62; these identify nattokinase rather than the complete fermented soybean powder.

Commercial strength is expressed in fibrin degradation units. Under the established spectrophotometric assay principle, one FU represents the amount of enzyme producing a 0.01-per-minute increase in absorbance at 275 nm under defined test conditions. At a 20,000 FU/g activity level, approximately 100 mg of ingredient provides 2,000 FU, allowing activity requirements to be translated directly into formulation weight.

Carrier and Vitamin K₂ status are important procurement variables. Commercial powders may use resistant dextrin, maltodextrin, or other carriers to standardize activity and improve powder handling. Low-K₂ and K₂-reduced preparations are also established commercial formats, making both carrier identity and Vitamin K₂ level useful parameters when qualifying a specific grade.

Technical & Quality Considerations

For supplier qualification, the declared FU/g value should be reviewed together with the assay principle and activity basis. FU is a functional measurement and should not be interpreted as percentage purity, protein concentration, or botanical extract ratio. Consistent analytical methodology is especially important when comparing suppliers or evaluating repeat commercial lots.

Physical evaluation should consider particle size, powder color, odor profile, carrier system, moisture exposure, and flow behavior. Commercial preparations may range from white or off-white to cream or light tan depending on purification and carrier composition. 80 mesh is commonly used for dry-dose manufacturing, but particle characteristics should be considered together with the selected activity grade and formulation process.

During scale-up, concentrated material benefits from geometric premixing before final blending. Capsule projects should evaluate flow and fill-weight uniformity, while tablet systems should assess activity retention following compression. Because the active component is a protein enzyme, unnecessary exposure to high moisture, extreme pH, or aggressive thermal processing should be avoided unless finished-product stability testing demonstrates acceptable retained activity.

Packaging & Commercial Supply

Essencefield supports product evaluation, formulation trials, commercial orders, and ongoing ingredient supply. Packaging, storage, and shipping arrangements are determined by product characteristics, order quantity, stability requirements, and destination-market needs.

Supply Item	General Information
Sample	Available upon request for formulation, testing, and supplier evaluation
Order Quantities	100 g · 1 kg · 5 kg · 25 kg · 100 kg · 500 kg · Bulk
Sample Lead Time	Typically 5–7 days after sample confirmation
Production Lead Time	Typically 15–30 days after order and specification confirmation
Packaging	Suitable protective inner packaging with bags, cartons, drums, or other appropriate outer packaging
Storage	Store in tightly sealed, suitable protective packaging in a cool, dry environment. Protect from moisture, heat, and direct sunlight. Specific storage conditions follow the approved product specification.
Documentation	COA · Product Specification · TDS · SDS · Applicable declarations (as applicable)

Final order quantities, lead times, packaging, documentation, and shipping arrangements are confirmed according to the selected product and commercial requirements.