Pure Soy Protein Powder

Premium Pure Soy Protein Powder – High-Purity Plant Protein for Industrial & Nutritional Applications

Xi'an Jiayuan Bio-tech Co., Ltd. delivers pharmaceutical-grade Pure Soy Protein Powder with a protein content exceeding 70%, extracted from non-GMO soybeans through advanced water-based isolation processes. We are ISO9001 accredited and have two GMP manufacturing lines and have been serving worldwide food manufacturers, supplement brands and nutritional formulators since 2002. Backed by 30 devoted technical specialists and over 20 years of industry experience, we provide scalable and cost-effective solutions with FSSC22000, HALAL and KOSHER certifications. Our powder is white or light yellow, and highly soluble in water, allowing for a variety of formulations.

What Is Pure Soy Protein Powder?

The product is a highly refined plant-based ingredient manufactured from defatted soybean flakes. Aqueous extraction and spray-drying techniques are used to eliminate carbs and lipids, and the protein content is concentrated to satisfy strict industrial requirements.

This powder solves key formulation problems. It delivers a full amino acid profile that is equivalent to dairy proteins, giving food technologists a dependable option during volatile supply of whey. Neutral pH and cream-colored appearance promote smooth incorporation into clean-label goods.

For producers concerned about allergy control, the product is now available in a dairy-free, lactose-free option. The emulsifying, gelling and water-binding functional qualities make it an important ingredient in complex food systems.

COA

Product Name	Soy protein powder
Ref standard	GB/T 22493-2008
Items	Requirements			Results	Method
Appearance	powdery, no caking phenomenon			powdery	GB/T 22493-2008
Colour and lustre	White to light yellow			Milk white	GB/T 5492-2008
Odor	It has the inherent odor of soy protein powder and no odor			Conforms	GB/T 5492-2008
Impurity	No foreign impurities are visible to the naked eye			Conforms	GB/T 22493-2008
Crude protein	≥50.0%			55.20%	GB 5009.5-2016
Nitrogen soluble index	≥55.0%			86.20%	YX-ZJ-DB-06
水分 Water content	≤10.0%			7.23%	GB 5009.3-2016
Crude fat	≤2.0%			0.50%	GB 5009.6-2016
Particle size	≥95.0% （Pass through a 0.154mm diameter sieve）			96.00%	YX-ZJ-11
Crude ash	≤7.0%			6.3%	GB 5009.4-2016
Crude cellulose	≤5.0%			2.6%	GB/T 5515-2008
Transgenic test	negative			negative	YX-ZJ-DWP-08
Conclusion	The product conforms to the GB/T 22493-2008 standard

Functions

Our product has significant functional benefits:

Emulsification stability: The amphiphilic molecular framework stabilizes oil-in-water emulsions and prevents phase separation in dressings and processed foods.

Great Water Binding: Absorbs 4-5 times its weight in water and dramatically reduces purge loss in meat applications to increase product output.

Thermal Gelation: Creates strong 3D networks when heated, which are important for maintaining the texture of plant-based meat analogs.

High Solubility – easily disperses in water without grittiness, making it ideal for beverage formulas that need smooth mouthfeel at high protein doses (20g+ per serving).

Nutritional Completeness: Contains all nine key amino acids needed for muscle repair and metabolic processes in sports nutrition products.

Application Fields

Plant-Based Meat Manufacturing:

In high moisture extrusion, the powder is heated above 140° C. Fibrous structures are formed resembling muscle tissue. Low sugar concentration allows for regulated Maillard browning without charring.

Beverages Nutrition:

Agglomerated forms are beneficial for ready-to-drink formulations which are more resistant to sedimentation. Our powder is low in viscosity even at high protein concentrations for consumer appeal.

Enrichment of Bakery & Snack:

Strengthens protein bars, biscuits and extruded foods without affecting texture Controls moisture to improve dough elasticity and increase shelf life.

Emulsion Meat Systems:

Functional binder in sausages and cold meats, stabilizing fat-water matrices. Manufacturers boost yields in slicing and decrease costs in formulation.

Nutrition for Sports:

Ideal for powders and smoothies designed for athletes who need plant based protein with the highest digestibility for muscle synthesis.

Certificates

• FSSC22000 Food Safety System Certification
• ISO9001 Quality Management System
• HALAL Certification
• KOSHER Certification
• HACCP Hazard Analysis Critical Control Points
• Shaanxi Province High-tech Enterprise Recognition

Quality Control

We have multi-tier verification protocols:

Raw Material Screening: Before manufacturing, identity-preserved non-GMO soybeans are tested for pesticide residues and heavy metals.

In-process monitoring: Control checks at important stages in the process maintain consistent protein content, moisture levels and pH values.

Laboratory Analysis: Our professional team of 30 people tests every batch against international standards with HPLC, GC-MS and microbiological testing capabilities.

Traceability Systems: Batch codes provide complete transparency of the supply chain from farm to completed product.

Third-Party Audits: Annual inspections by SGS and international certification bodies verify compliance with ISO22000 and HACCP protocols for Pure Soy Protein Powder.

Payment & Shipment

Payment Methods: TT, DP, PayPal, Visa, MasterCard, LC, DA, Escrow

Logistics Partners: FedEx, DHL, EMS, UPS, TNT, major airlines, and international shipping companies ensure timely global delivery.

Customs Support We assist new importers with clearance in Europe and North America, making cross-border transactions easier.

Packaging & Transportation

Standard Packing: 25kg multi-layer kraft paper bags with food grade PE liner to keep moisture proof throughout transportation.

Custom Options: Bulk containers, 10kg, 15kg containers available to meet your operating needs.

Temperature Control: Shipped under ambient temperatures with humidity monitoring to ensure powder stability.

Documentation: All shipments are accompanied by a COA (Certificate of Analysis), MSDS and phytosanitary certifications to meet regulatory requirements.

After-sales Service

Our promise is more than just delivery:

24/7 Technical Support: Expert assistance with formulation improvement & troubleshooting.

Reformulation Support: When you are facing unforeseen issues, our R&D staff works with you to find solutions.

Quality concerns: Resolution of quality concerns within 48 hours with batch replacement or credits alternatives.

Free Samples: Trial amounts to verify performance prior to large volume sales (not accessible to individual retail transactions).

Exhibitions

Xi’an Jiayuan Bio-tech often takes part in industry activities to promote breakthroughs and develop relationships with international partners. Come and talk to us at top natural ingredients expos about how the product may boost your product line.

Why Choose Us?

20 Years of Expertise: perfected extraction procedures to optimize protein purity and functional performance since 2002.

Factory-Direct Pricing: Factory-direct sales cut out the middlemen, and may save your procurement expenses by up to 20%.

Flexible Order Quantities: When you store in the warehouse, you get lower MOQs for various goods, which is optimal for your inventory management.

Scalable Manufacturing: Our GMP facilities can ramp-up from 100kg trial runs to multi-ton contracts without losing quality.

Global Coverage: Your shipments will reach on time, wherever in the globe, with our proven logistics networks and customs experience.

FAQ

Q: How much protein does your product contain?

​​​​​​​A: Our standard criteria is ≥70% protein content on dry basis determined by Kjeldahl nitrogen analysis (N × 6.25). Custom concentrations (up to 90%) are available for particular applications.

Q: Can the powder be used in allergen-free formulations?

A: Soy is a well known allergy however our powder is free of dairy, gluten and lactose. It is suitable for formulations aimed at customers who eschew animal derived proteins. Always properly identify soy content according to regional standards.

Q: What is the role of solubility in beverage applications?

A: Our powder is 100% dispersed in water at room temperature within 30 seconds. For cold drinks we propose lecithinized types which prevent sedimentation and keep the texture smooth throughout the shelf life.

Q: What is the shelf life under proper storage?

A: The powder is stable for 24 months when kept in sealed packaging in a cold, dry environment (less than 25°C, less than 60% humidity) with no appreciable protein degradation.

Q: Do you have organic or IP non-GMO certifications?

A : Yes . We buy identity-preserved non-GMO soybeans and have organic certification available upon request. Traceability paperwork is included with all shipments of organic products.

Q: Can you support ODM/OEM projects?

A: Of course. Our R&D team will work on bespoke formulations, private labeling and product development to meet your brand standards.

Contact Us

Ready to integrate premium plant protein into your formulations with Pure Soy Protein Powder? Reach out to our team for technical specifications, pricing, or free samples.

Email: sales@jayuanbio.com