Xinrui Group
1. Technical Properties and Composition Analysis
Vital Wheat Gluten (VWG) is a concentrated natural wheat protein isolated from high-grade flour. Comprising primarily of two core proteins—Gliadin (which delivers viscosity and extensibility) and Glutenen (which provides elasticity and tenacity)—this natural polymer forms a cohesive, viscoelastic network when hydrated.
Our High-Quality Wheat Gluten Powder VWG-P is manufactured to meet the most stringent physical and chemical standards required by international food processors, pharmaceutical developers, and feed manufacturers. Below are the verified analytical criteria of our standard 25kg/Bag packaging:
| Parameter | Specification limits | Testing Methodology |
|---|---|---|
| Protein (Dry Basis) | ≥ 82.0 % | Kjeldahl Method (N × 5.7) |
| Moisture | ≤ 9.0 % | Oven Drying Method |
| Ash Content | ≤ 1.0 % | Muffle Furnace Ashing |
| Water Absorption | ≥ 150 - 180 % | Hydration & Centrifugal Test |
| Fat Content | ≤ 1.5 % | Soxhlet Extraction |
| Granularity (Mesh) | ≥ 98% pass 80 Mesh | Sieve Analysis |
| Heavy Metals (as Pb) | ≤ 0.2 mg/kg | AAS / ICP-MS |
Critical Insight: The balance between gliadin and glutenin determines the final quality of industrial dough, crumb structure, and structural retention in high-temperature extrusion processes.
2. Advanced Tri-Canter Separation Technology
At Guanxian Xinrui Industrial Co., Ltd., we utilize imported state-of-the-art Tri-Canter centrifugal separation technology to refine our wheat gluten. Older Martin-style washing tables and screen systems often degraded the functional properties of the protein due to extended contact times with water and thermal stress.
Our modernized closed-loop production line provides several distinct advantages:
- Zero Protein Denaturation: Fast-throughput processing under controlled temperatures ensures that the native gluten structure remains fully functional.
- Enhanced Purity: Efficient separation separates Starch A, Starch B, Pentosans, and Vital Wheat Gluten to achieve protein yields in excess of 82%.
- Unmatched Hygiene: The clean, enclosed manufacturing setup avoids exposure to external contaminants, ensuring that microbial levels are kept far below international limits.
3. Functional Applications & Key Scenarios
Vital wheat gluten’s ability to build cohesive elastic matrixes is highly valued across several global industries:
A. Bakery and Flour Milling
In baking, vital wheat gluten is added to low-protein flours to boost gas retention, improve crumb texture, and increase loaf volume. For artisan breads, frozen doughs, and hamburger buns, it provides structural strength to support toppings and withstand mechanical handling.
B. Noodle and Pasta Production
Adding wheat gluten powder (typically 1-2%) to noodle flour increases the tensile strength of the raw dough. This ensures clean cutting, reduces starch leaching during cooking, and delivers the firm, chewable ("al dente") bite favored by consumers.
C. Plant-Based Meat Analogues & Vegan Products
Thanks to its fibrous structure when hydrated, Vital Wheat Gluten is a key base ingredient for vegetarian meats (seitan), vegan sausages, and mock seafood. It closely replicates the mouthfeel and chew of animal protein.
D. Premium Aquaculture & Pet Food
In fish and shrimp feeds, wheat gluten acts as a natural binder that prevents pellet disintegration in water, reducing waste. Due to its high digestibility (exceeding 92%), it is also widely used in premium pet foods to improve pellet durability and nutritional profiles.
4. Global B2B Procurement Standards (25kg/Bag)
For international buyers, consistency in packaging and shipping is just as important as chemical specifications. Our 25kg multi-wall Kraft paper bags are designed with an inner PE liner to prevent moisture pickup during ocean transport, ensuring a shelf life of up to 24 months.
We run a streamlined logistics operation through Guanxian Ruichang Trading Co., Ltd., exporting over 70% of our group's capacity directly. This direct factory-to-port pipeline reduces transport times and ensures full traceability from raw wheat fields to the final container delivery.
5. Market Dynamics & Circular Economy Solutions
The global demand for plant protein continues to grow. Food safety concerns, GMO avoidance, and environmental impact are steering major purchasing decisions toward stable, vertically integrated suppliers.
Xinrui Group operates on a circular model: our wheat starch byproduct (Starch B) and pentosans are directed into clean ethanol and animal feed production. By integrating our power supply and steam generation internally, we insulate our operations from local energy price shocks, ensuring consistent pricing and reliable supply for our global partners.
