Soy Isoflavone Powder

Soy Isoflavone Powder is a natural phytoestrogen extracted from non-GMO soybeans (Glycine max). Standardized with high levels of genistein, daidzein, and glycitein, it is widely used in dietary supplements designed for women's health, menopause support, bone health, and cardiovascular wellness.

At Jiuyuan Bio, we supply high-purity soy isoflavone extract powder (40%–90% HPLC) for nutraceutical brands, supplement manufacturers, and functional food companies worldwide.

Our soy isoflavone ingredients are manufactured under strict quality standards to ensure consistent potency, purity, and stability for large-scale production.

Available Specifications

Soy Isoflavone 40%

Soy Isoflavone 60%

Soy Isoflavone 80%

Soy Isoflavone 90%

Test Method: HPLC

Soy isoflavones are flavonoid compounds, secondary metabolites produced during soybean growth, and biologically active substances. Because they are extracted from plants and have a similar structure to estrogen, soy isoflavones are also known as phytoestrogens. The estrogenic effects of soy isoflavones influence hormone secretion, metabolic and biological activity, protein synthesis, and growth factor activity, making them a natural chemopreventive agent against cancer.

 Plant Source

Soy isoflavones mainly come from two sources:

• One source is from defatted soybean meal, a byproduct of soybean oil production.
• The other source is from soybean germ, a byproduct of soybean protein production.

Origin of Raw Materials

Soybean (Glycine max (L.) Merr.) is an annual herbaceous plant belonging to the legume family, native to China. It is cultivated throughout China and widely grown worldwide. Soybeans are one of China's important food crops, with a cultivation history of five thousand years. Historically known as "shu," the main production area is in Northeast China.

Chemical Composition

Daidzin, Daidzein, Genistin, Genistein, Glycitin, Glycitein.

• Standardized total isoflavone content
• Balanced profile of glycosides and aglycones
• Suitable for capsules, tablets, sachets, and blends
• Excellent compatibility with multi-ingredient formulations
• Stable quality for long-term production

Soy isoflavones are a family of related compounds rather than a single molecule. Understanding the profile is important for formulation, labeling, quality control, and supplier comparison.

A reliable specification should define whether the assay is reported as total isoflavones, individual isoflavones, aglycone equivalents, or another declared basis. This point is especially important when comparing quotations, because two products with the same percentage claim may not be analytically equivalent.

Soybean isoflavone extract is widely used in supplement and functional nutrition categories where plant-based, science-informed ingredients are preferred.

For finished product claims, customers should consult local regulations in the target market. In the United States, European Union, United Kingdom, Canada, Australia, and other regulated markets, permissible structure/function or nutrition claims may differ significantly.

Our soy isoflavone extract powder is produced using a controlled extraction process to ensure high purity and consistent quality.

• Non-GMO soybean selection
• Ethanol extraction
• Concentration and purification
• Spray drying
• HPLC standardization

Each production batch undergoes strict quality testing before shipment.

Not all soy isoflavone ingredients are interchangeable. Buyers often compare soybean extract with red clover extract, kudzu extract, or generic soy flour. The table below highlights practical differences.

The key purchasing lesson: compare products by active compound basis, testing method, regulatory fit, and formulation behavior, not by product name alone.

Our Soy Isoflavone Powder is manufactured under strict quality management systems:

• ISO 9001
• HACCP / Food Safety Control
• Non-GMO raw materials
• Heavy metals & microbiological testing
• Batch-to-batch consistency

Supporting documents (COA, MSDS, TDS) are provided upon request.

Why Work with Jiuyuan Biotech?

 

Shaanxi Jiuyuan Biotechnology Co., Ltd., established in 2012, is a high-tech enterprise dedicated to researching, producing, and supplying premium botanical extracts. Guided by our mission, "Harnessing Nature's Power for Human Health," we provide high-quality raw materials and technical services to global health, food, cosmetic, and pharmaceutical companies.

01

Quality Control

Mature procedures for raw material acceptance and finished product testing;
Well-equipped testing instruments; implementation of a quality traceability system; and technical cooperation with research institutions.

02

Production and Supply

We have long-term, stable raw material planting cooperation bases; we own two production bases, one of which is the Zhouzhi production base, a cGMP-certified facility with complete production equipment and mature production processes.

03

Technology Research and Development

Possesses strong R&D capabilities; university-industry collaboration;
Specialized applied technology research, featuring full-component
extraction technology; emphasis on product upgrades.

04

product portfolio includes

Standard plant extract powders

Nutraceutical ingredients

Food ingredients

Fruit and vegetable powders

Mushroom extract powders

Organic plant-based products

Nutritional formula blend powders

Standard export packaging is designed to protect the powder during storage and international transportation.

Common packaging formats include:

● 1 kg aluminum foil bag for samples or small orders

● 5 kg or 10 kg carton packaging where applicable

● 25 kg fiber drum with double food-grade inner bags

● Customized packaging upon request

Packaging can be discussed based on order quantity, destination market, warehouse requirements, and customer handling process.

1. What is Soy Isoflavone Powder used for?

It is commonly used in dietary supplements, functional foods, and nutraceutical formulations, especially in women's health, healthy aging, and plant-based wellness products. Final product claims must comply with local regulations.

2. What are the main active compounds?

The main active compounds are soy isoflavones, including daidzin, genistin, glycitin, daidzein, genistein, and glycitein. A professional specification should define how total isoflavones are calculated and tested.

3. Which testing method is preferred for isoflavone assay?

HPLC is commonly preferred because it can provide more specific identification and quantification of isoflavone compounds compared with less selective methods.

4. Is this ingredient suitable for vegan products?

Soybean extract is plant-derived and may be suitable for vegan formulations. However, customers should confirm the complete production process, excipients, carriers, and certification requirements before making vegan claims.

5. Does the product contain allergens?

Yes. Since the ingredient is derived from soy, it should be treated as a soy allergen for labeling and compliance purposes. An allergen statement can be provided for customer review.

6. Can Jiuyuan Biotech provide samples?

Samples are available for evaluation, depending on specification and stock status. Customers can use samples for formulation trials, sensory checks, and preliminary quality assessment.

7. Can the specification be customized?

Specification discussion is possible based on assay requirement, particle size, packaging, documentation, and market needs. Final feasibility depends on technical evaluation and production capability.

8. What documents are available for import and quality review?

Common documents include COA, TDS, SDS/MSDS, specification sheet, allergen statement, GMO statement, flow chart, residual solvent statement, heavy metal statement, and country of origin statement.

Jiuyuan Biotech supplies Soy Isoflavone Powder to food manufacturers, supplement brands, and contract formulators across North America, Europe, and the Asia-Pacific region. Our technical team - not a generic sales inbox - handles every inquiry.

Email: info@jiuyuanbio.com

Website: www.jiuyuanbio.com

Request: Sample (500g–1kg) | Bulk Quote | CoA & Spec Sheet | Custom Carrier Ratio

Standard response time: within 1 business day. Please include your target application and annual volume estimate for the most relevant technical recommendation.