Soy Protein Powder
English Name: Soy Protein Powder
Source: Refined and extracted from high-quality non-GMO soybeans (defatted soybean meal)
Product Specification: Protein content ≥50% / ≥80% / ≥90% (customizable according to customer requirements)
Appearance: Creamy white to pale yellow fine powder
Test Method: HPLC
Packing: 1kg/aluminum foil bag • 5kg/carton • 25kg/fiber drum
Storage: Store in a dry and cool place, away from sunlight and high temperature.
Shelf Life: 24 months
Bulk Soy Protein Isolate Powder (≥90%) | Premium Functional Plant Protein
Sourcing reliable soy protein for industrial food and supplement manufacturing requires more than just looking at the protein percentage. Formulators in 2026 demand a raw material that guarantees a non-GMO origin, a strictly neutral flavor profile, and highly stable functional properties-such as emulsification and gelation.
Processed from strictly selected non-GMO soybeans, our Soy Protein Isolate delivers a protein concentration exceeding 90%. By utilizing an advanced low-temperature enzymatic hydrolysis protocol, we have successfully mitigated traditional soy allergens while preserving a complete, highly digestible amino acid matrix. It is the ultimate clean-label foundation for premium meat processing, bakery enhancement, and vegan nutrition lines.
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1. What Gives Our Soy Protein Isolate the Technical Edge?
Let's address the most common B2B formulation pain points: protein denaturation and allergen risks.
Standard heat-processing often destroys the native structure of soy, leading to poor solubility and a gritty texture. We bypass this entirely. Xi'an Tihealth employs a proprietary low-temperature enzymatic hydrolysis technique. This highly controlled biocatalytic step achieves two critical objectives:
- Uncompromised Purity (≥90%): It effectively separates non-protein components without thermal damage, yielding an exceptionally high protein density compared to standard 36% soy flours.
- Hypoallergenic Modification: The enzymatic cleavage physically alters the native allergenic epitopes (binding sites) of the soy protein. This significantly lowers immune reactivity, making our isolate a safer, SGS-verified option for sensitive demographics, including seniors and specialized pediatric formulas.
2. Core Technical Specifications (Premium Food & Nutraceutical Grade)
For QA/QC departments evaluating raw material stability, transparency is key. Below is the analytical data sheet for our standard ≥90% Soy Protein Isolate.
| Analytical Item | Specification Limit | Test Method / Standard |
| Appearance | Light yellow to milky white fine powder | Visual Inspection |
| Protein Content (Dry Basis) | ≥ 90.0% | Kjeldahl Method (N x 6.25) |
| Moisture | ≤ 7.0% | 105°C Oven Drying |
| Ash | ≤ 6.0% | 550°C Muffle Furnace |
| Particle Size | 100% pass 100 mesh | Sieve Analysis |
| pH Value | 6.5 - 7.5 | 10% Aqueous Solution |
| Heavy Metals | Strict compliance with global food limits | AAS / ICP-MS |
| Pathogens (Salmonella/E.Coli) | Negative | FDA-BAM / SPC |
3. Industrial Applications: How Does It Perform in Formulations?
This is where our isolate truly shines. It exhibits aggressive water-binding and fat-emulsifying properties. When added to fish balls, sausages, or vegan meat patties, it prevents meat juice separation, dramatically enhances gel strength, and extends the overall shelf life of the final product.
In high-volume commercial baking (bread, cookies, and noodles), our soy isolate acts as a structural enhancer. Its excellent oil absorption makes the dough matrix more elastic and delicate, locking in moisture to effectively delay starch retrogradation (aging) during storage.
As a zero-cholesterol, lactose-free complete protein source, it perfectly mimics the amino acid release profile needed for muscle recovery. It serves as an ideal base for vegan protein shakes and non-dairy functional beverages, actively supporting cardiovascular health.
4. Extraction Process: From Raw Bean to 90% Isolate
Our manufacturing pipeline is engineered to eliminate impurities while safeguarding nutritional integrity:
- Defatting & Pretreatment: Premium soybeans undergo rigorous cleaning, conditioning, and dehulling before being processed into low-temperature defatted soybean meal.
- Alkaline Extraction & Acid Precipitation: Soluble proteins are extracted using a precisely calibrated aqueous solution. We then apply acid precipitation to form a highly concentrated protein curd, which is centrifuged for maximum isolation.
- Enzymatic Hydrolysis: The isolate solution is treated with specific food-grade enzymes to refine the molecular weight and neutralize allergenic sites.
- Spray Drying & Sterilization: The purified liquid is instantly spray-dried into a micro-fine powder, undergoing concurrent sterilization to guarantee microbiological safety.
5. Secure Your Bulk Supply Chain with Xi'an Tihealth
With years of expertise in botanical extracts and nutritional raw materials, Xi'an Tihealth operates strictly under an ISO9001:2015 Quality Management System. We provide formulation stability you can count on.
- Standard Packaging: 20KG commercial drums or heavy-duty multilayer bags to prevent moisture ingress.
- Documentation: Every batch is dispatched with a comprehensive Certificate of Analysis (COA) and Non-GMO declaration.
Ready to upgrade your protein matrix? Let's connect to discuss your specific viscosity or gelation requirements.
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6. Frequently Asked Questions (FAQ)
Q: Is your soy protein powder Non-GMO?
Yes, our soy protein isolate is strictly sourced from conventional, non-genetically modified soybeans. We provide full traceability and Non-GMO certifications upon request.
Q: How does this isolate improve meat analog (vegan meat) production?
In plant-based meat formulations, our ≥90% isolate offers aggressive water-binding and fat-emulsification. This prevents the product from drying out during cooking and creates a fibrous, authentic "bite" mimicking actual animal muscle tissue.
Q: Can you accommodate custom analytical testing for heavy metals or pesticides?
Absolutely. While our standard batches meet rigorous international food safety limits, we frequently work with third-party labs (like SGS or Eurofins) to provide custom clearance testing for specific regional regulations.
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