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%) | Non-GMO Plant Protein Wholesale
Premium Functional Plant Protein by Xi'an Tihealth
Sourcing reliable soy protein for industrial food and supplement manufacturing requires more than just evaluating the protein percentage. Modern B2B formulators demand a raw material that guarantees a Non-GMO origin, a strictly neutral flavor profile (zero "beany" off-notes), and highly stable functional properties-such as superior emulsification and gelation.
Processed from strictly selected, traceable Non-GMO soybeans, our Soy Protein Isolate delivers a dry-basis protein concentration exceeding 90%. By utilizing an advanced low-temperature enzymatic hydrolysis protocol, we successfully mitigate traditional soy allergens while preserving a complete, highly digestible amino acid matrix. It acts as the ultimate clean-label structural foundation for premium meat processing, vegan meat analogs, bakery enhancement, and sports nutrition lines.
1. Formulation Edge: The Technical Superiority of Our SPI
Let's address the most common formulation pain points: protein denaturation and allergen risks. Standard thermal processing often destroys the native structure of soy, leading to poor solubility and a gritty texture. Xi'an Tihealth employs a proprietary low-temperature enzymatic hydrolysis technique, achieving two critical R&D objectives:
- Uncompromised Purity (≥90%): It effectively separates non-protein components (carbohydrates and fats) without thermal damage, yielding an exceptionally high protein density compared to standard soy flours or concentrates.
- Hypoallergenic Modification & Flavor Neutrality: Enzymatic cleavage physically alters the native allergenic epitopes of the soy protein, significantly lowering immune reactivity. Furthermore, it strips away the volatile compounds responsible for astringency, rendering our isolate exceptionally flavor-neutral.
2. Certificate of Analysis (Premium Food Grade TDS)
| Analytical Parameter | Specification Limit | Test Method / Standard |
|---|---|---|
| Physicochemical Properties | ||
| Appearance | Light yellow to milky white fine powder | Visual Inspection |
| Protein Content (Dry Basis) | ≥ 90.0% | Kjeldahl Method (N x 6.25) |
| Moisture Content | ≤ 7.0% | 105°C Oven Drying |
| Ash Content | ≤ 6.0% | 550°C Muffle Furnace |
| Particle Size | 100% pass 100 mesh | Sieve Analysis |
| pH Value (10% Aqueous Solution) | 6.5 - 7.5 | pH Electrode |
| Safety & Compliance | ||
| Heavy Metals (as Pb) | Strict compliance with global food limits | AAS / ICP-MS |
| Pathogens (Salmonella / E.Coli) | Negative / Absent in 25g | FDA-BAM |
3. Industrial Applications & Mechanisms of Action
Meat Processing & Seafood Analogs
This is where our isolate truly excels. It exhibits aggressive water-binding and fat-emulsifying properties. When integrated into fish balls, sausages, or vegan meat patties, it prevents meat juice separation (syneresis), dramatically enhances gel strength, and provides the authentic "bite" mimicking animal muscle tissue.
Bakery and Noodle Fortification
In high-volume commercial baking (bread, cookies, and pasta), our soy isolate acts as a structural dough enhancer. Its excellent oil and moisture absorption makes the dough matrix more elastic and delicate, effectively delaying starch retrogradation (aging) to extend commercial shelf life.
Sports Nutrition & Dairy Alternatives
As a zero-cholesterol, lactose-free complete protein source containing all essential amino acids (PDCAAS score = 1.0), it perfectly mimics the release profile needed for muscle recovery. It serves as an ideal base for vegan protein shakes and non-dairy RTD functional beverages.
4. Advanced Manufacturing Protocol
Our manufacturing pipeline is engineered to eliminate anti-nutritional factors while safeguarding structural integrity:
- Defatting & Pretreatment: Premium Non-GMO 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 isoelectric acid precipitation to form a highly concentrated protein curd.
- Enzymatic Hydrolysis: The isolate solution is treated with specific food-grade enzymes to refine the molecular weight, neutralize allergenic sites, and improve aqueous solubility.
- Spray Drying & Sterilization: The purified liquid is instantly spray-dried into a micro-fine 100-mesh powder, undergoing concurrent sterilization to guarantee microbiological safety.
5. Secure Packaging & Global Logistics
Operating strictly under an ISO9001:2015 Quality Management System, Xi'an Tihealth provides formulation stability and secure bulk supply chains you can count on.
| Order Volume | Packaging Type | Estimated Lead Time |
|---|---|---|
| 1kg - 24kg (R&D Samples) | Vacuum-sealed Opaque Aluminum Foil Bags | 3 - 5 Days (Air Express/DHL) |
| 20kg - 500kg (Commercial Bulk) | 20kg Heavy-Duty Paper Bags / Drums with PE Liner | 7 - 10 Days (Air/Sea Freight) |
6. Formulation & Technical FAQ
Is your soy protein powder Non-GMO?
Yes, our soy protein isolate is strictly sourced from conventional, non-genetically modified soybeans. We maintain strict identity preservation from seed to extraction and provide full traceability and Non-GMO certifications upon request.
How does this isolate improve meat analog (vegan meat) production?
In plant-based meat formulations, our ≥90% isolate acts as a structural scaffold. It offers aggressive water-binding and fat-emulsification, which prevents the product from drying out during cooking. This creates a fibrous, authentic "bite" and prevents syneresis (fat/water separation) during freezing and thawing.
Can you accommodate custom analytical testing for regional compliance?
Absolutely. While our standard batches meet rigorous international food safety limits, we frequently collaborate with certified third-party labs (such as SGS or Eurofins) to provide custom clearance testing for specific regional regulations regarding heavy metals or pesticide residues.
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